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Asme B107.110-2012

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ASME B107.

110-2012
(Redesignation and Consolidation of ASME B107.1, B107.2, B107.5M,
B107.10, B107.12, B107.33M, and B107.34)

Socket Wrenches,

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Handles, and
Attachments

A N A M E R I C A N N AT I O N A L STA N DA R D

Copyright ASME International

Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012
(Redesignation and Consolidation of ASME B107.1, B107.2, B107.5M,
B107.10, B107.12, B107.33M, and B107.34)

Socket Wrenches,
Handles, and
Attachments

A N A M E R I C A N N AT I O N A L S TA N D A R D

Two Park Avenue • New York, NY • 10016 USA

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Copyright ASME International

This Standard will be revised when the Society approves the issuance of a new edition.

ASME issues written replies to inquiries concerning interpretations of technical aspects of this
Standard. Periodically certain actions of the ASME B107 Committee may be published as Cases.
Cases and interpretations are published on the ASME Web site under the Committee Pages at
http://cstools.asme.org/ as they are issued.

Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to
provide corrections to incorrectly published items, or to correct typographical or grammatical errors
in codes and standards. Such errata shall be used on the date posted.

The Committee Pages can be found at http://cstools.asme.org/. There is an option available to

automatically receive an e-mail notification when errata are posted to a particular code or standard.
This option can be found on the appropriate Committee Page after selecting “Errata” in the “Publication
Information” section.

ASME is the registered trademark of The American Society of Mechanical Engineers.

This code or standard was developed under procedures accredited as meeting the criteria for American National
Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from
competent and concerned interests have had an opportunity to participate. The proposed code or standard was made
available for public review and comment that provides an opportunity for additional public input from industry, academia,
regulatory agencies, and the public-at-large.
ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.
ASME does not take any position with respect to the validity of any patent rights asserted in connection with any
items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for
infringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expressly
advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is
entirely their own responsibility.
Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as
government or industry endorsement of this code or standard.
ASME accepts responsibility for only those interpretations of this document issued in accordance with the established
ASME procedures and policies, which precludes the issuance of interpretations by individuals.

No part of this document may be reproduced in any form,

in an electronic retrieval system or otherwise,
without the prior written permission of the publisher.

The American Society of Mechanical Engineers

Two Park Avenue, New York, NY 10016-5990

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Copyright ASME International

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Correspondence With the B107 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
5 Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Safety Requirements and Limitations of Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Category 1 Hand Driven Socket Wrenches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-2 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Category 2 Socket Wrenches, Extensions, Adaptors, and Universal Joints, Power Drive
(Impact). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2-1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2-2 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Category 10 Handles and Attachments for Hand Socket Wrenches. . . . . . . . . . . . . . . . . . . . . . . . 40
10-1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10-2 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10-3 Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Category 12 Nutdrivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12-1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12-2 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12-3 Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Category 34 Spark Plug Socket Wrenches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
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34-1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
34-2 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figures
1-1 Type I Sockets and Type II Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1-2 Type III Universal Joint Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2-1 Type I, II, and VII Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2-2 Type III, Universal Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2-3 Type IV, Bar Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2-4 Type V, Adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2-5 Type VI, Universal Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
12-1 Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid
Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12-2 Type I, Class 2, Styles A and B: Conventional Length Nutdriver With
Hollow Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12-3 Type II, Styles A and B: Stubby Length Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . 53
12-4 Type III: Miniature Handle Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12-5 Torsional Moment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
12-6 Bending Moment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
34-1 Socket Wrenches for Spark Plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

iii
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
Tables
1-1 Type I Sockets, Single and Double Hexagon, 1⁄4 in. Drive . . . . . . . . . . . . . . . . . 7
1-1M Type I Sockets, Single and Double Hexagon, 1⁄4 in. Drive . . . . . . . . . . . . . . . . . 7
1-2 Type I Sockets, Single and Double Hexagon, 3⁄8 in. Drive . . . . . . . . . . . . . . . . . 8
1-2M Type I Sockets, Single and Double Hexagon, 3⁄8 in. Drive . . . . . . . . . . . . . . . . . 8
1-3 Type I Sockets, Single and Double Hexagon, 1⁄2 in. Drive . . . . . . . . . . . . . . . . . 9
1-3M Type I Sockets, Single and Double Hexagon, 1⁄2 in. Drive . . . . . . . . . . . . . . . . . 10
1-4 Type I Sockets, Single and Double Hexagon, 3⁄4 in. Drive . . . . . . . . . . . . . . . . . 11
1-4M Type I Sockets, Single and Double Hexagon, 3⁄4 in. Drive . . . . . . . . . . . . . . . . . 12
1-5 Type I Sockets, Single and Double Hexagon, 1 in. Drive . . . . . . . . . . . . . . . . . . 13
1-5M Type I Sockets, Single and Double Hexagon, 1 in. Drive . . . . . . . . . . . . . . . . . . 14
1-6 Type II Sockets, Square, 4-Point and 8-Point, 1⁄4 in. Drive . . . . . . . . . . . . . . . . . . 14
1-7 Type II Sockets, Square, 4-Point and 8-Point, 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . 15
1-8 Type II Sockets, Square, 4-Point and 8-Point, 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . 15
1-9 Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄4 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1-9M Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄4 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1-10 Type III Sockets, Universal Joint, Single and Double Hexagon, 3⁄8 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1-10M Type III Sockets, Universal Joint, Single and Double Hexagon, 3⁄8 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1-11 Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄2 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
1-11M Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄2 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2-1 Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 1⁄4 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2-1M Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 1⁄4 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2-2 Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2-2M Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2-3 Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2-3M Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2-4 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), 3⁄4 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2-4M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), 3⁄4 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2-5 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), 1 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2-5M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), 1 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2-6 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), 11⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2-7 Type I Sockets, Single Hexagon (6-Point), 21⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . 32
2-8 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), Thin Wall, 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2-9 Type I Sockets, Single Hexagon (6-Point), and Double Hexagon
(12-Point), Thin Wall, 3⁄4 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
2-10 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 3⁄8 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

iv
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Copyright ASME International

Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
2-11 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 1⁄2 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2-12 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 3⁄4 in.
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2-13 Type VII Sockets, Single Hexagon (6-Point) and Double Hexagon
(12-Point), #5 Spline Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
2-14 Type III Universal Sockets, Single Hexagon (6-Point) and Double
Hexagon (12-Point), 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2-14M Type III Universal Sockets, Single Hexagon (6-Point) and Double
Hexagon (12-Point), 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2-15 Type III Universal Sockets, Single Hexagon (6-Point) and Double
Hexagon (12-Point), 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
2-15M Type III Universal Sockets, Single Hexagon (6-Point) and Double
Hexagon (12-Point), 1⁄2 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
2-16 Type IV, Bar Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2-17 Type V, Adaptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2-18 Type VI, Universal Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10-1 Type I, Class 1, Handles, Hinged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
10-2 Type I, Class 2, Handles, Ratchet, Reversible . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
10-3 Type I, Class 3, Style A, Handles, Speeder, Brace Type, Single Revolving
Handgrip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
10-4 Type I, Class 3, Style B, Handles, Speeder, Spin Type, Screwdriver
Grip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
10-5 Type I, Class 4, Handles, T, Sliding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10-6 Type II, Class 1, Attachments, Universal Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10-7 Type II, Class 2, Style A, Attachments, Extension Bar, Solid . . . . . . . . . . . . . . . 46
10-8 Type II, Class 2, Style B, Attachments, Extension Bar, Flexible . . . . . . . . . . . . . 47
10-9 Type II, Class 3, Style A, Attachments, Adaptor, Socket Wrench . . . . . . . . . . . 47
10-10 Type II, Class 3, Style B, Attachments, Adaptor, Ratchet . . . . . . . . . . . . . . . . . . 48
12-1 Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid
Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12-1M Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid
Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12-2 Type I, Class 2, Styles A and B: Conventional Length Nutdriver With
Hollow Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12-2M Type I, Class 2, Styles A and B: Conventional Length Nutdriver With
Hollow Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12-3 Type II, Styles A and B: Stubby Length Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . 53
12-3M Type II, Styles A and B: Stubby Length Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . 53
12-4 Type III: Miniature Handle Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12-4M Type III: Miniature Handle Nutdriver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12-5 Torsional Moment Test: Hexagonal Mandrel Dimensions and
Maximum Depth of Mandrel Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
12-5M Torsional Moment Test: Hexagonal Mandrel Dimensions and
Maximum Depth of Mandrel Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
34-1 Type I, Class 1, Spark Plug Socket, Regular Length, Single Hexagon . . . . . . 60
34-1M Type I, Class 1, Spark Plug Socket, Regular Length, Single Hexagon . . . . . . 60
34-2 Type I, Class 2, Spark Plug Socket, Long Length, Single Hexagon . . . . . . . . . 60
34-3 Type II, Class 1, Universal Spark Plug Socket, Square Block, Single
Hexagon, 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
34-4 Type II, Class 2, Universal Spark Plug Socket, Ball Swivel, Single
Hexagon, 3⁄8 in. Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
34-5 Depth of Mandrel Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Nonmandatory Appendix
A Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

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FOREWORD

The American National Standards Committee B107, Socket Wrenches and Drives, under spon-
sorship of The American Society of Mechanical Engineers (ASME), was reorganized on
June 28, 1967 as an ASME Standards Committee, and its title was changed to Hand Tools and
Accessories. In 1996, its scope was expanded to include safety considerations.
In 1999, ASME initiated a project to consolidate hand tool standards by category of tool. The
initial implementation included distinct standards within a single publication bearing a three-
digit number corresponding to the responsible B107 subcommittee. Subsequent revisions are
intended to integrate the component standards resulting in a more traditional document. In order
to maintain continuity within the user community, the former component standard numbers are
renamed as categories in the consolidated standard, and designations are provided in
Nonmandatory Appendix A.
The purposes of this Standard are to define dimensional, performance, and safety requirements
specifically applicable to socket wrenches, handles, and attachments for hand socket wrenches;
to specify test methods to evaluate performance relating to the defined requirements; and to
indicate limitations of safe use.
This Standard may be used as a guide by state authorities or other regulatory bodies in the
formulation of laws or regulations. It is also intended for voluntary use by establishments that
use or manufacture the tools covered.
This Standard supersedes, replaces, and renders obsolete the following standards:
ASME B107.1, Socket Wrenches, Hand (Inch Series)
ASME B107.2, Socket Wrenches, Extensions, Adaptors, and Universal Joints, Power Drive
(Impact) (Inch Series)
ASME B107.5M, Socket Wrenches, Hand (Metric Series)
ASME B107.10, Handles and Attachments for Hand Socket Wrenches
ASME B107.12, Nutdrivers
ASME B107.33M, Socket Wrenches, Impact (Metric Series)
ASME B107.34, Socket Wrenches for Spark Plugs
Socket wrenches previously described in ASME B107.5M are included in Category 1. Socket
wrenches and attachments previously described in ASME B107.33M are included in Category 2.
This Foreword is not a part of ASME B107.110, Socket Wrenches, Handles, and Attachments,
and is included for information purposes only.
Members of the Hand Tools Institute, Wrench Standards Committee, through their knowledge
and hard work, have been major contributors to the development of the B107 wrench standards.
Their active efforts in the promotion of these standards are acknowledged and appreciated.
The format of this Standard is in accordance with The ASME Codes & Standards Writing
Guide 2000. Requests for interpretations of the technical requirements of this Standard should
be expressed in writing to the Secretary, B107 Standards Committee, at the address below.
Suggestions for the improvement of this Standard are welcome. They should be addressed to
the Secretary, ASME B107 Standards Committee, Two Park Avenue, New York, NY 10016-5990.
ASME B107.110-2012 was approved by the B107 Standards Committee on April 11, 2012 and
by the Board on Standards and Testing on August 17, 2012. It was approved as an American
National Standard on November 27, 2012.

vi
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ASME B107 COMMITTEE
Hand Tools and Accessories
(The following is the roster of the Committee at the time of approval of this Standard.)

STANDARDS COMMITTEE OFFICERS

D. M. Eggert, Chair
J. S. Foote, Vice Chair
T. W. Schellens, Secretary

STANDARDS COMMITTEE PERSONNEL

N. C. Cantlon, Jore Corp.

J. D. Davidson, Ideal Industries, Inc.
P. A. Desmarais, Apex Tool Group, LLC
D. M. Eggert, Snap-On, Inc.
J. S. Foote, Trade Association Management, Inc.
R. A. Goldman II, Contributing Member, Klein Tools, Inc.
D. S. McKittrick, Contributing Member, McKittrick
G. E. Olson, Gene Olson Engineering Consultant, Ltd.
W. T. Pagac, Forever Associates
T. W. Schellens, The American Society of Mechanical Engineers
W. C. Snyder, Wright Tool Co.
J. M. Ster, General Services Administration, Federal Acquisition Service
H. Yin, Stanley Black & Decker, Inc.

SUBCOMMITTEE 1 — WRENCHES

P. A. Desmarais, Chair, Apex Tool Group, LLC

J. D. Davidson, Ideal Industries, Inc.
W. C. Snyder, Wright Tool Co.
H. Yin, Stanley Black & Decker, Inc.

vii
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General. ASME Standards are developed and maintained with the intent to represent the
consensus of concerned interests. As such, users of this Standard may interact with the Committee
by requesting interpretations, proposing revisions, and attending Committee meetings. Corre-
spondence should be addressed to:
Secretary, B107 Standards Committee
The American Society of Mechanical Engineers
Two Park Avenue
New York, NY 10016-5990
http://go.asme.org/Inquiry
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Proposing Revisions. Revisions are made periodically to the Standard to incorporate changes
that appear necessary or desirable, as demonstrated by the experience gained from the application
of the Standard. Approved revisions will be published periodically.
The Committee welcomes proposals for revisions to this Standard. Such proposals should be
as specific as possible, citing the paragraph number(s), the proposed wording, and a detailed
description of the reasons for the proposal, including any pertinent documentation.
Proposing a Case. Cases may be issued for the purpose of providing alternative rules when
justified, to permit early implementation of an approved revision when the need is urgent, or to
provide rules not covered by existing provisions. Cases are effective immediately upon
ASME approval and shall be posted on the ASME Committee Web page.
Requests for Cases shall provide a Statement of Need and Background Information. The request
should identify the Standard, the paragraph, figure or table number(s), and be written as a
Question and Reply in the same format as existing Cases. Requests for Cases should also indicate
the applicable edition(s) of the Standard to which the proposed Case applies.
Interpretations. Upon request, the B107 Committee will render an interpretation of any require-
ment of the Standard. Interpretations can only be rendered in response to a written request sent
to the Secretary of the B107 Standards Committee.
The request for interpretation should be clear and unambiguous. It is further recommended
that the inquirer submit his/her request in the following format:

Subject: Cite the applicable paragraph number(s) and the topic of the inquiry.
Edition: Cite the applicable edition of the Standard for which the interpretation is
being requested.
Question: Phrase the question as a request for an interpretation of a specific requirement
suitable for general understanding and use, not as a request for an approval
of a proprietary design or situation. The inquirer may also include any plans
or drawings, that are necessary to explain the question; however, they should
not contain proprietary names or information.

Requests that are not in this format may be rewritten in the appropriate format by the Committee
prior to being answered, which may inadvertently change the intent of the original request.
ASME procedures provide for reconsideration of any interpretation when or if additional
information that might affect an interpretation is available. Further, persons aggrieved by an
interpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not
“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.
Attending Committee Meetings. The B107 Standards Committee regularly holds meetings that
are open to the public. Persons wishing to attend any meeting should contact the Secretary of
the B107 Standards Committee.

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ASME B107.110-2012

SOCKET WRENCHES, HANDLES, AND ATTACHMENTS

1 SCOPE SAE J1703, Motor Vehicle Brake Fluid

Publisher: Society of Automotive Engineers (SAE),
This Standard provides performance and safety
400 Commonwealth Drive, Warrendale, PA 15096
requirements for socket wrenches (sockets), handles
(www.sae.org)
used with these wrenches, nutdrivers, and attachments
used with socket wrenches, hereinafter collectively
referred to as tools. Inclusion of dimensional data in this 3 CLASSIFICATION
Standard is not intended to imply that all of the products (a) Category 1: Hand Driven Socket Wrenches. Detach-
described herein are stock production sizes. Consumers able socket wrenches with square drive for hand use.
are requested to consult with manufacturers concerning (b) Category 2: Socket Wrenches, Extensions, Adaptors,
lists of stock production sizes and lengths. and Universal Joints, Power Drive (Impact). Detachable
socket wrenches, extensions, adaptors, and universal
joints for power drive impact use.
2 REFERENCES (c) Category 10: Handles and Attachments for Hand
The following is a list of publications referenced in Socket Wrenches. The more generally used handles and
this Standard. The latest edition shall be used. attachments utilized by mechanics in repair and mainte-
nance of vehicles, machinery, and other items.

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ASME B46.1, Surface Texture, Surface Roughness (d) Category 12: Nutdrivers. With an integral socket
Waviness and Lay and shaft that utilize a screwdriver-type handgrip.
ASME B107.4, Driving and Spindle Ends for Portable (e) Category 34: Spark Plug Socket Wrenches. Detach-
Hand, Impact, Air, and Electric Tools (Percussion Tools able hand use socket wrenches with square drive for
Excluded) spark plugs.
ASME B107.17, Gages and Mandrels for Wrench Subclassifications are detailed in the classification sec-
Openings tion of each category.
Publisher: The American Society of Mechanical
Engineers (ASME), Two Park Avenue, New York, NY 4 PERFORMANCE REQUIREMENTS
10016-5990 (www.asme.org)
The illustrations shown herein are descriptive and
ASTM B117, Standard Practice for Operating Salt Spray not restrictive, and are not intended to preclude the
(Fog) Apparatus manufacture of tools that are otherwise in accordance
ASTM B537, Standard Practice for Rating of with this Standard. Dimensions shall be in accordance
Electroplated Panels Subjected to Atmospheric with the applicable tables unless otherwise specified.
Exposure Requirements unique to a category of tools are indicated
ASTM B571, Standard Practice for Qualitative Adhesion in that section. Tools shall pass all of the applicable
Testing of Metallic Coatings tests in section 5 and within category requirements as
ASTM D968, Standard Test Methods for Abrasion applicable.
Resistance of Organic Coatings by Falling Abrasive 4.1 Design
ASTM E18, Standard Test Methods for Rockwell
Hardness of Metallic Materials 4.1.1 Nut-End Socket Opening. The internal wrench
opening of a single hexagon (6-point) or a double hexa-
Publisher: The American Society for Testing and gon (12-point) configuration, or a single square (4-point)
Materials (ASTM), 100 Barr Harbor Drive, or a double square (8-point) shall conform to one of the
P. O. Box C700, West Conshohocken, PA 19428-2959 following wrenching opening designs.
(www.astm.org) (a) Standard Single or Double Hexagon Configuration.
Guide to Hand Tools — Selection, Safety Tips, Proper This design consists of a simple geometric single hexa-
Use and Care gon (6-point) or a double hexagon (12-point) configura-
Publisher: Hand Tools Institute (HTI), 25 North tion having an across-flats and an across-corner shape
Broadway, Tarrytown, NY 10591-3201 (www.hti.org) for fitting with commercial hexagon fasteners.

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ASME B107.110-2012

(b) Modified Single or Double Hexagon Configuration. action) and be capable of withstanding the cleaning pro-
This design consists of a geometric single hexagon (6- cedures normally experienced during its intended use.
point) or a double hexagon (12-point) configuration that The marked area of the tool may be exempt from the
does not contact on the fastener’s corners. corrosion test in para. 5.3.4 when mutually agreed to by
(c) Standard Single or Double Square Configuration. This the manufacturer and the customer.
design consists of a simple geometric single (4-point)
square or a double (8-point) square configuration having 4.4 Hardness
an across-flats and an across-corner shape for fitting Hardness requirements are shown within each catego-
with commercial square fasteners. ry’s requirements.
The across-flats and across-corners tolerances of all
the wrench opening designs shall be such as to ensure 4.5 Finish
acceptance when gaged with gages conforming to 4.5.1 Surface Finish. All surfaces shall be free from
ASME B107.17. pits, nodules, forge flash, burrs, cracks, and other condi-
4.1.2 Bolt Clearance Hole for Category 1 and tions that would adversely affect the performance or
Category 2 Sockets. A space shall be provided for bolt safety of the tool. Metallic surfaces shall have a rust
clearance in all sockets except Category 1, Type III and preventive treatment. When provided, coatings shall be
Category 2, Type III universal joint sockets (Figs. 1-2 adherent, smooth, continuous, and free from any condi-
and 2-2). The diameter of the bolt clearance hole shall tions that may interfere with their protective value,
be in accordance with that of the applicable size socket safety, and function.
as specified in the respective tables. The minimum depth 4.5.2 Coatings. Tools shall be coated with one or a
for the bolt clearance hole, as measured from the nut combination of the following coatings. Category 2 tools
end face, shall be 1.5 times the minimum Opening shall be coated according to para. 4.5.2(b) only.
Depth, Nut End for sockets with overall length less than (a) Nickel-Chromium Coating. The coating shall be a
the following length values: protective, bright, decorative nickel-chromium plating,
Drive Size, in. (mm) Overall Length, in. (mm) and shall pass the surface adhesion test as specified in
1
the file, grind-saw, or heat-quench tests of ASTM B571.
⁄4 (6.3) 1.5 (38)
3 Sockets shall either pass the alternative coating test as
⁄8 , 1⁄2 (10, 12.5) 2.0 (51)
3
⁄4 , 1 (20, 25) 3.0 (76) specified in para. 5.3, or have a minimum coating thick-
ness of 0.0002 in. (0.005 mm) for nickel or nickel-iron
or a minimum bolt clearance hole depth of 50% of the and 0.000005 in. (0.00013 mm) for chromium.
overall length for sockets with overall length equal to (b) Oxide or Phosphate Coating. The coating shall con-
or greater than the length values listed above. sist of a chemically produced oxide or phosphate, fol-
4.1.3 Drive Ends. Drive ends, when provided, shall lowed with a coating of rust preventative.
conform to ASME B107.4. (c) Alternative Coatings. Alternative coatings may be
used in lieu of nickel-chromium plating and shall be
4.1.4 Countersink of Nut-End Socket Opening. The subjected to the alternative coating tests as specified in
nut end socket opening shall be countersunk with an para. 5.3.
included angle of 90 deg to 150 deg (for Category 34,
the angle shall be 85 deg to 155 deg) and a minimum 4.6 Universal Joint Sockets (Categories 1, 2, and 34)
diameter equal to the across-corners dimension of the Universal joint sockets shall consist of a single
opening. (6-point) or double (12-point) hexagon socket and an
internal drive end. Each member shall be permanently
4.2 Materials
attached to each other or by means of an intermediate
The materials used in the manufacture of the sockets member to form a universal joint. The sockets shall be
shall be such as to produce tools conforming to require- provided with a means to hold the drive-end and socket-
ments in this Standard. end in any set position with a force adequate to hold
the socket against gravity. For universal sockets with
4.3 Marking square block joints, angular deviation from centerline is
Sockets shall be marked in a plain and permanent 40 deg minimum. For universal sockets with ball swivel
manner with the manufacturer’s name or with a trade- joints, angular deviation from the centerline is 20 deg
mark of such known character that the manufacturer minimum to 35 deg maximum. If hinge pins are used,
may be readily determined. Marking shall include the they shall not extend beyond the periphery of the uni-
nominal socket opening size (distance across flats). versal joint section for more than 0.031 in. (0.79 mm)
Marking shall be as permanent as the normal life expec- and shall not interfere with the regular operation of the
tancy of the tool to which it is applied (providing the universal joint. The portion of the hinge pin that extends
marked surface has not been subjected to an abrading beyond the periphery shall not have sharp edges. Hinge

2
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Copyright ASME International

pins shall meet removal force requirements of Table 10-6 (b) Universal Joint Sockets. Tests shall be made in the
when tested per para. 10-3.9. same manner as specified in para. 5.2.2(a), except that
means shall be provided to keep the parts of the univer-
sal joint socket assembly on a common axis about which
5 TESTS the load is applied.
Many of the tests herein are inherently hazardous. (c) Extensions, Adaptors. A test load shall be applied
Adequate safeguards for personal and property shall in the same manner as specified in para. 5.2.2(a), except
be employed in conducting these tests. These tests are that the external drive square shall be inserted in an
designed to evaluate the tools and materials and do not internal square conforming to ASME B107.4 and secured
condone the use of the tools in an environment or man- in a mandrel.
ner inconsistent with safe use of the tools. Tests specific 5.3 Alternative Coating Tests
to a category of tool are described therein. Conformance
with marking and other requirements not determined 5.3.1 Samples. The quantity and condition of the
by test shall be verified by visual examination. sample tools used for the following testing shall be per
the manufacturer ’s standard practice or as mutually
5.1 Hardness agreed to by the manufacturer and the customer. If the
tool does not have sufficient surface area to conduct the
The hardness range specified shall be tested in accor-
tests, a 4 in. ⴛ 6 in. (101 mm ⴛ 152 mm) panel(s), per
dance with ASTM E18. Surface preparation may be nec-
ASTM B537/ASTM D968 Method A, may be used if
essary to ensure that the hardness of the substrate
agreed to by the manufacturer and customer.
material is measured.
5.3.2 Adhesion Test. The coated surfaces shall pass
5.2 Proof Torque Test the file or grind-saw test of ASTM B571.
Socket openings shall be gaged prior to testing and 5.3.3 Abrasion Test. The coated surfaces shall have
only sockets in accordance with the gage shall be tested. no base material exposed when subjected to 100 L of
Sockets shall be loaded to the test load using mandrel falling sand test of ASTM D968 Method A.
depths specified in the applicable tables. Following the
removal of the test load, the socket shall be regaged, 5.3.4 Corrosion Test. The coated exterior surfaces
and any tool that cracks, fractures, does not gage, or shall be tested for corrosion resistance by exposure to
a 48-hr salt spray test as specified in ASTM B117, without
displays visible permanent deformation after loading
falling below the ASTM B537 rating of 6.
shall have failed the test.
5.2.1 Mandrels for Nut End Socket Openings. Sock- 5.4 Pin Removal Test: Category 1, Type III and
ets shall be tested on mandrels as specified in Category 34, Type II Universal Joint Sockets
ASME B107.17. Pin retention shall be tested in a device capable of
applying force to the pin. The pin shall not move under
5.2.2 Application of Test Loads. The test loads shall load specified in Table 10-6.
be applied with a suitable torque-producing machine.
(a) Sockets. A drive end test mandrel of suitable
strength and complying with the dimensional require- 6 SAFETY REQUIREMENTS AND LIMITATIONS OF
ments of the drive tang specified in ASME B107.4 shall USE
be employed. The test mandrel shall be driven by any Instructors and employers shall stress proper use and
suitable manual or mechanical means. The socket shall safety in the use of the tools described in this Standard,
be engaged on the end of a mandrel to a depth in accor- information about which can be found in the Hand Tools
dance with tables herein. Means shall be provided to Institute publication, Guide to Hand Tools — Selection,
maintain the mandrel insertion depth. Safety Tips, Proper Use and Care.
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ASME B107.110-2012

Category 1
Hand Driven Socket Wrenches

1-1 CLASSIFICATION 1-2 PERFORMANCE REQUIREMENTS

NOTE: See Figs. 1-1 and 1-2.
Type I: sockets, single (6-point) and double (12-point) 1-2.1 Design
hexagon [see Tables 1-1 through 1-5 (Tables 1-1M
through 1-5M)] Sockets shall comply with the applicable tables and
Type II: sockets, single (4-point) and double (8-point) figures herein.
square (see Tables 1-6 through 1-8)
Type III: universal joint sockets, single (6-point) and 1-2.2 Hardness
double (12-point) hexagon [see Tables 1-9 through 1-11
(Tables 1-9M through 1-11M)] Sockets shall have a hardness of 38 HRC to 56 HRC.
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ASME B107.110-2012

Fig. 1-1 Type I Sockets and Type II Sockets

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B
Shape optional
A

B
A

Type I Type I
Single Hexagon Double Hexagon
A

Type II Type II
Single Square Double Square
GENERAL NOTES:
(a) A shall be equal to or greater than nut opening depth in applicable tables.
(b) Maximum nut end diameter of socket C shall not be exceeded for length B and shall conform to applicable tables.
(c) B length shall be greater than or equal to the minimum nut opening depth in applicable tables.

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ASME B107.110-2012

Fig. 1-2 Type III Universal Joint Sockets

A
Shape optional

Single Double
A Hexagon Hexagon

GENERAL NOTES:
(a) A shall be greater than or equal to nut opening depth in applicable tables.
(b) Maximum nut end diameter of socket C shall not be exceeded for length B and shall conform to applicable tables.
(c) B length shall be greater than or equal to the minimum nut opening depth in applicable tables.

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ASME B107.110-2012

Table 1-1 Type I Sockets, Single and Double Hexagon, 1⁄4 in. Drive
Nominal Minimum Bolt Minimum
Socket Minimum Clearance Proof
Opening, Maximum Outside Diameter, mm
Opening Depth, Hole Torque,
in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
1
⁄8 0.250 0.510 0.094 0.078 35
5
⁄32 0.281 0.510 0.094 0.093 60
3
⁄16 0.338 0.510 0.094 0.125 95
7
⁄32 0.382 0.510 0.109 0.125 135
1
⁄4 0.425 0.510 0.125 0.141 190
9
⁄32 0.457 0.510 0.141 0.156 250
5
⁄16 0.510 0.510 0.141 0.172 320
11
⁄32 0.547 0.547 0.156 0.203 400
3
⁄8 0.597 0.597 0.156 0.281 500
7
⁄16 0.683 0.683 0.219 0.281 500
1
⁄2 0.697 0.697 0.266 0.344 500
9
⁄16 0.778 0.778 0.328 0.406 500

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Table 1-1M Type I Sockets, Single and Double Hexagon, 1⁄4 in. Drive
Nominal Minimum Bolt
Socket Minimum Clearance Minimum
Opening, Maximum Outside Diameter, mm Opening Depth, Hole Proof
mm Nut End Drive End Nut End, mm Diameter, mm Torque, N·m

3.2 6.10 12.95 1.60 1.98 7

4 7.10 12.95 2.40 2.35 8
4.5 7.60 12.95 2.60 2.97 9
5 8.15 12.95 2.80 3.18 10

5.5 8.90 12.95 2.80 3.56 14

6 9.90 12.95 3.05 3.56 16
6.3 9.90 12.95 3.15 3.95 21
7 10.90 12.95 3.55 4.32 27

8 12.20 12.95 3.55 5.33 38

9 13.45 13.45 4.05 5.33 49
10 14.75 14.75 4.60 6.60 63
11 16.00 16.00 5.45 7.62 68
12 17.30 17.30 6.10 8.33 68
13 18.55 18.55 6.75 8.33 68
14 19.80 19.80 8.35 10.35 68
15 21.50 21.50 8.35 11.35 68
16 22.00 22.00 8.75 11.68 68

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ASME B107.110-2012

Table 1-2 Type I Sockets, Single and Double Hexagon, 3⁄8 in. Drive
Minimum Bolt
Maximum Outside Minimum Clearance Minimum
Nominal Socket Diameter, in. Opening Depth, Hole Proof Torque,
Opening, in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
1
⁄4 0.472 0.690 0.125 0.141 270
9
⁄32 0.496 0.690 0.141 0.156 350
5
⁄16 0.521 0.690 0.141 0.172 440
11
⁄32 0.567 0.690 0.156 0.203 550
3
⁄8 0.613 0.690 0.156 0.281 660

7
⁄16 0.683 0.690 0.219 0.281 930
1
⁄2 0.751 0.880 0.266 0.344 1,240
9
⁄16 0.814 0.880 0.328 0.406 1,610
19
⁄32 0.852 0.885 0.352 0.428 1,800
5
⁄8 0.890 0.890 0.375 0.450 2,000
11
⁄16 0.968 0.968 0.375 0.469 2,200

3
⁄4 1.110 1.110 0.437 0.531 2,200
13
⁄16 1.141 1.141 0.453 0.594 2,200
7
⁄8 1.250 1.250 0.500 0.656 2,200
15
⁄16 1.310 1.310 0.500 0.656 2,200
1 1.380 1.380 0.547 0.656 2,200

Table 1-2M Type I Sockets, Single and Double Hexagon, 3⁄8 in. Drive
Minimum Bolt
Nominal Socket Maximum Outside Minimum Clearance Hole Minimum
Opening, Diameter, mm Opening Depth, Diameter, Proof Torque,
mm Nut End Drive End Nut End, mm mm N·m

5.5 10.10 17.60 2.80 3.56 14

6 10.10 17.60 3.05 3.56 25
6.3 10.10 17.60 3.15 3.95 29
7 11.05 17.60 3.56 4.32 37

8 12.20 17.60 3.56 4.75 52

9 13.60 17.60 4.05 5.33 66
10 15.00 17.60 4.60 6.60 82
11 16.75 17.60 5.45 7.62 112

12 17.80 22.40 6.10 8.33 124

13 18.80 22.40 6.75 8.33 147
14 20.00 22.40 8.35 10.35 175
15 22.40 22.40 8.35 10.35 203
16 22.50 22.50 9.50 11.68 237
17 23.80 23.80 9.50 12.35 249
18 24.60 24.60 10.15 12.35 249
19 25.70 25.70 11.10 14.30 249

20 27.76 27.76 11.10 14.30 249

21 28.80 28.80 11.60 15.10 249
22 30.00 30.00 12.35 16.66 249
23 31.30 31.30 12.35 16.66 249
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

24 32.50 32.50 12.75 18.35 249

25 33.00 33.00 13.25 18.35 249
26 35.00 35.00 13.75 18.35 249

8
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
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ASME B107.110-2012

Table 1-3 Type I Sockets, Single and Double Hexagon, 1⁄2 in. Drive
Minimum
Maximum Outside Minimum Minimum Bolt Proof
Nominal Socket Diameter, in. Opening Depth, Clearance Hole Torque,
Opening, in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
3
⁄8 0.655 0.940 0.156 0.281 1,100
7
⁄16 0.730 0.940 0.219 0.281 1,500
1
⁄2 0.775 0.940 0.266 0.344 2,000
9
⁄16 0.845 0.940 0.328 0.406 2,600
19
⁄32 0.920 0.940 0.352 0.428 3,000
5
⁄8 0.942 0.970 0.375 0.450 3,300
11
⁄16 1.010 1.020 0.375 0.469 4,100
3
⁄4 1.110 1.110 0.437 0.531 5,000
13
⁄16 1.145 1.145 0.453 0.594 5,000
7
⁄8 1.250 1.250 0.500 0.656 5,000
15
⁄16 1.310 1.310 0.500 0.656 5,000
1 1.380 1.380 0.547 0.656 5,000

11⁄16 1.480 1.480 0.625 0.656 5,000

11⁄8 1.540 1.540 0.656 0.781 5,000
13⁄16 1.675 1.675 0.656 0.781 5,000
11⁄4 1.750 1.750 0.750 0.781 5,000

15⁄16 1.820 1.820 0.750 0.906 5,000

13⁄8 1.885 1.885 0.781 0.906 5,000
17⁄16 1.955 1.955 0.845 0.906 5,000
11⁄2 2.025 2.025 0.850 0.906 5,000

9
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Table 1-3M Type I Sockets, Single and Double Hexagon, 1⁄2 in. Drive
Maximum Outside Minimum Minimum Bolt Minimum
Nominal Socket Diameter, mm Opening Depth, Clearance Hole Proof
Opening, mm Nut End Drive End Nut End, mm Diameter, mm Torque, N·m

8 14.00 23.87 3.75 4.75 80

9 15.10 23.87 4.05 5.33 110
10 16.80 23.87 4.60 6.60 153
11 18.20 23.87 5.45 7.62 170

12 18.70 23.87 6.10 8.33 203

13 20.25 23.87 6.75 8.33 249
14 21.80 23.87 8.35 10.35 282
15 22.40 23.87 8.35 10.35 339
16 23.87 23.87 9.50 11.68 407
17 24.75 24.75 9.50 12.35 475
18 26.14 26.14 10.15 12.35 542
19 27.20 27.20 11.10 14.30 565

20 27.95 27.95 11.50 14.30 570

21 28.95 28.95 11.70 15.10 570
22 30.20 30.20 12.45 16.66 570
23 31.30 31.30 12.70 16.66 570
24 32.50 32.50 13.85 18.35 570
25 33.40 33.40 14.00 18.35 570
26 35.95 35.95 14.60 18.35 570
27 36.75 36.75 15.80 20.35 570

28 37.80 37.80 16.25 20.35 570

29 39.50 39.50 16.65 20.35 570
30 42.40 42.40 16.65 22.35 570
31 43.20 43.20 17.80 22.35 570
32 44.05 44.05 19.00 22.35 570

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

10
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-4 Type I Sockets, Single and Double Hexagon, 3⁄4 in. Drive
Minimum
Maximum Outside Minimum Minimum Bolt Proof
Nominal Socket Diameter, in. Opening Depth, Clearance Hole Torque,
Opening, in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
3
⁄4 1.290 1.450 0.437 0.531 6,000
13
⁄16 1.300 1.450 0.453 0.594 6,800
7
⁄8 1.385 1.575 0.500 0.656 7,700
15
⁄16 1.450 1.575 0.546 0.656 8,700
1 1.535 1.575 0.546 0.656 9,700

11⁄16 1.610 1.610 0.625 0.656 10,800

11⁄8 1.690 1.690 0.656 0.781 11,900
13⁄16 1.750 1.750 0.656 0.781 13,000
11⁄4 1.870 1.870 0.750 0.781 14,200
15⁄16 1.920 1.920 0.765 0.906 15,400

13⁄8 1.980 1.980 0.781 0.906 16,700

17⁄16 2.075 2.075 0.850 0.906 18,000
11⁄2 2.145 2.145 0.850 1.031 18,000
19⁄16 2.260 2.260 0.850 1.031 18,000
15⁄8 2.325 2.325 1.000 1.031 18,000

111⁄16 2.400 2.400 1.000 1.156 18,000

13⁄4 2.510 2.510 1.093 1.156 18,000
113⁄16 2.575 2.575 1.125 1.156 18,000
17⁄8 2.695 2.695 1.125 1.281 18,000
2 2.885 2.885 1.218 1.281 18,000

21⁄16 3.025 3.025 1.218 1.406 18,000

21⁄8 3.075 3.075 1.218 1.406 18,000
23⁄16 3.150 3.150 1.375 1.515 18,000
21⁄4 3.260 3.260 1.375 1.515 18,000
25⁄16 3.300 3.300 1.375 1.531 18,000
23⁄8 3.333 3.333 1.375 1.531 18,000

11 --`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Table 1-4M Type I Sockets, Single and Double Hexagon, 3⁄4 in. Drive
Minimum Minimum Bolt
Maximum Outside Opening Depth, Clearance Hole Minimum
Nominal Socket Diameter, mm Nut End, Diameter, Proof Torque,
Opening, mm Nut End Drive End mm mm N·m

19 30.50 33.00 12.45 14.30 780

21 33.00 33.00 12.45 15.10 930
22 35.05 38.10 12.45 16.66 972
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

23 36.10 39.10 12.70 16.66 1 015

24 37.00 40.00 13.85 18.35 1 085

25 37.85 40.00 14.00 18.35 1 160
26 38.85 40.00 14.60 18.35 1 240
27 41.00 41.00 15.90 20.35 1 330
28 41.00 41.00 16.25 20.35 1 420
29 42.10 42.10 16.65 20.35 1 520
30 43.00 43.00 16.65 22.35 1 640
31 45.10 45.10 17.80 22.35 1 730

32 47.05 47.05 19.05 24.35 1 820

34 49.00 49.00 20.00 24.45 2 000
35 50.40 50.40 20.10 24.45 2 030
36 51.80 51.80 21.45 27.50 2 030
38 54.10 54.10 22.25 27.50 2 030
40 57.65 57.65 22.75 30.50 2 030
41 58.80 58.80 24.90 30.50 2 030
42 58.80 58.80 25.40 31.00 2 030

46 65.40 65.40 28.60 33.50 2 030

50 72.15 72.15 29.75 36.50 2 030
54 78.10 78.10 30.95 39.50 2 030
55 79.10 79.10 33.55 39.50 2 030
58 80.00 80.00 35.00 39.50 2 030
60 84.45 84.45 35.00 39.50 2 030

12
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-5 Type I Sockets, Single and Double Hexagon, 1 in. Drive
Minimum Minimum Bolt Minimum
Nominal Maximum Outside Opening Clearance Proof
Opening, Diameter, in.
Depth, Nut Hole Torque,
in. Nut End Drive End End, in. Diameter, in. lbf-in.

11⁄16 1.812 2.188 0.625 0.781 11,700

11⁄8 2.000 2.188 0.656 0.906 12,800
13⁄16 2.000 2.188 0.656 0.906 14,100
11⁄4 2.125 2.188 0.750 0.906 15,400
15⁄16 2.125 2.250 0.765 0.906 16,700
13⁄8 2.250 2.250 0.781 0.906 18,000
17⁄16 2.280 2.250 0.859 0.906 19,500
11⁄2 2.320 2.250 0.859 1.031 21,000
19⁄16 2.390 2.250 0.859 1.031 22,000
15⁄8 2.480 2.375 1.000 1.031 24,000

111⁄16 2.572 2.500 1.000 1.156 26,000

13⁄4 2.635 2.625 1.093 1.156 27,000
113⁄16 2.780 2.750 1.125 1.156 28,000
17⁄8 2.780 2.875 1.125 1.281 28,000
115⁄16 2.885 2.875 1.125 1.281 28,000

2 2.947 2.947 1.218 1.281 28,000

21⁄16 3.050 3.050 1.218 1.406 28,000
21⁄8 3.150 3.150 1.218 1.406 28,000
23⁄16 3.210 3.210 1.375 1.531 28,000
21⁄4 3.300 3.300 1.375 1.531 28,000
25⁄16 3.360 3.360 1.375 1.531 28,000
23⁄8 3.430 3.430 1.375 1.531 28,000
27⁄16 3.500 3.500 1.375 1.656 28,000
21⁄2 3.572 3.572 1.375 1.656 28,000
29⁄16 3.572 3.572 1.375 1.656 28,000

25⁄8 3.760 3.760 1.500 1.781 28,000

23⁄4 3.885 3.885 1.750 1.781 28,000
213⁄16 4.010 4.010 1.750 1.906 28,000
215⁄16 4.135 4.135 1.750 1.906 28,000
3 4.135 4.135 2.000 2.031 28,000

31⁄8 4.385 4.385 2.000 2.031 28,000

31⁄4 4.510 4.510 2.000 2.281 28,000
33⁄8 4.635 4.635 2.200 2.281 28,000
31⁄2 4.760 4.760 2.200 2.281 28,000
33⁄4 5.135 5.135 2.200 2.531 28,000
37⁄8 5.260 5.260 2.500 2.531 28,000
4 5.437 5.437 2.500 2.781 28,000
41⁄8 5.640 5.640 2.500 2.781 28,000
41⁄4 5.828 5.828 2.500 3.031 28,000
41⁄2 6.010 6.010 2.500 3.031 28,000
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

13
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-5M Type I Sockets, Single and Double Hexagon, 1 in. Drive
Minimum Minimum Bolt
Nominal Maximum Outside Opening Depth, Clearance Hole Minimum
Opening, Diameter, mm Nut End, Diameter, Proof
mm Nut End Drive End mm mm Torque, N·m

34 57.15 57.15 20.00 26.00 2 400

36 57.15 57.15 21.45 27.50 2 530
38 57.40 57.40 22.25 27.50 2 640
40 59.20 59.20 22.75 30.50 2 760

41 60.95 60.95 24.90 30.50 2 820

46 69.85 69.85 28.60 33.50 3 160
50 74.05 74.05 29.75 36.50 3 160
54 79.65 79.65 30.95 39.50 3 160
55 79.65 79.65 33.55 39.50 3 160
60 85.50 85.50 35.00 39.50 3 160
70 96.50 96.50 38.00 46.00 3 160
74 103.00 103.00 40.50 46.00 3 160

Table 1-6 Type II Sockets, Square, 4-Point and 8-Point, 1⁄4 in. Drive
Maximum Outside Minimum Bolt Minimum
Nominal Diameter, in. Minimum Clearance Proof
Opening, Opening Depth, Hole Torque,
in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
3
⁄16 0.433 0.510 0.093 0.125 125
1
⁄4 0.510 0.510 0.125 0.141 200
5
⁄16 0.572 0.572 0.140 0.172 300
3
⁄8 0.696 0.696 0.156 0.281 550
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

14
Copyright ASME International
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-7 Type II Sockets, Square, 4-Point and 8-Point, 3⁄8 in. Drive
Minimum Bolt Minimum
Nominal Maximum Outside Minimum Clearance Proof
Opening, Diameter, in. Opening Depth, Hole Torque,
in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
1
⁄4 0.572 0.690 0.125 0.141 250
5
⁄16 0.625 0.690 0.140 0.172 400
3
⁄8 0.739 0.937 0.156 0.281 900
7
⁄16 0.833 1.000 0.218 0.281 1,250
1
⁄2 0.942 1.135 0.265 0.344 1,450
9
⁄16 1.051 1.135 0.328 0.406 1,600
5
⁄8 1.130 1.250 0.375 0.469 2,000
11
⁄16 1.190 1.310 0.375 0.469 2,000

Table 1-8 Type II Sockets, Square, 4-Point and 8-Point, 1⁄2 in. Drive
Minimum Bolt Minimum
Nominal Maximum Outside Minimum Clearance Proof
Opening, Diameter, in.
Opening Depth, Hole Torque,
in. Nut End Drive End Nut End, in. Diameter, in. lbf-in.
3
⁄8 0.739 0.947 0.156 0.281 1,600
7
⁄16 0.833 1.010 0.218 0.281 1,700
1
⁄2 0.942 1.135 0.265 0.344 2,000
9
⁄16 1.051 1.135 0.328 0.406 2,700

5
⁄8 1.130 1.260 0.375 0.469 3,600
11
⁄16 1.225 1.322 0.375 0.469 4,300
3
⁄4 1.317 1.385 0.437 0.531 5,000
13
⁄16 1.440 1.447 0.453 0.594 5,000

7
⁄8 1.523 1.572 0.500 0.656 5,000
15
⁄16 1.650 1.650 0.546 0.656 5,000
1 1.760 1.760 0.546 0.656 5,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`--- 15
Copyright ASME International
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-9 Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄4 in. Drive
Minimum
Nominal Maximum Outside Minimum Proof
Opening, Diameter, in.
Opening Depth, Torque,
in. Nut End Drive End Nut End, in. lbf-in.
3
⁄16 0.315 0.540 0.094 95
7
⁄32 0.356 0.540 0.109 135
1
⁄4 0.397 0.540 0.125 190
9
⁄32 0.438 0.540 0.141 250
5
⁄16 0.510 0.540 0.141 300
11
⁄32 0.519 0.540 0.156 300
3
⁄8 0.580 0.580 0.158 300
7
⁄16 0.683 0.683 0.219 300
1
⁄2 0.697 0.697 0.266 300
9
⁄16 0.812 0.812 0.312 300

Table 1-9M Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄4 in. Drive
Nominal Maximum Outside Minimum Minimum
Diameter, mm
Opening, Opening Depth, Proof Torque,
mm Nut End Drive End Nut End, mm N·m

3.2 6.00 14.30 1.60 7

4 7.00 14.30 2.40 8
5 8.30 14.30 2.70 10
5.5 9.00 14.30 2.80 14
6 9.80 14.30 3.05 16

6.3 10.00 14.30 3.20 21

7 10.95 14.30 3.55 27
8 12.25 14.30 3.55 34
9 13.45 14.30 4.05 34
10 15.25 15.60 4.60 34
11 17.20 17.20 5.45 34
12 17.60 17.60 6.10 34
13 18.00 18.00 6.75 34
14 18.90 19.00 8.05 34

16
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Table 1-10 Type III Sockets, Universal Joint, Single and Double Hexagon, 3⁄8 in. Drive
Nominal Maximum Outside Minimum Minimum
Opening, Diameter, in. Opening Depth, Proof Torque,
in. Nut End Drive End Nut End, in. lbf-in.
5
⁄16 0.510 0.790 0.141 440
3
⁄8 0.690 0.790 0.158 450
7
⁄16 0.791 0.790 0.219 625
1
⁄2 0.791 0.820 0.266 725
9
⁄16 0.820 0.820 0.312 750
5
⁄8 0.885 0.885 0.343 750
11
⁄16 1.070 0.885 0.375 750
3
⁄4 1.070 0.885 0.406 750
7
⁄8 1.220 0.937 0.500 750

Table 1-10M Type III Sockets, Universal Joint, Single and Double Hexagon, 3⁄8 in. Drive
Nominal Maximum Outside Minimum Minimum
Diameter, mm
Opening, Opening Depth, Proof Torque,
mm Nut End Drive End Nut End, mm N·m

7 11.00 20.00 3.55 29

8 12.30 20.00 3.55 37
9 14.00 20.00 4.05 52
10 18.05 20.05 4.60 57

11 19.00 20.05 5.45 69

12 19.05 20.05 6.10 77
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

13 19.25 20.80 6.75 82

14 19.95 20.80 8.35 84
15 22.40 21.56 8.35 85
16 23.87 22.50 9.55 85
17 24.40 22.50 9.55 85
18 26.14 22.50 10.15 85
19 27.00 22.50 11.10 85
20 28.20 22.85 11.50 85
21 29.45 23.25 11.70 85
22 30.70 23.70 12.40 85
24 33.10 25.00 13.50 85

17
Copyright ASME International
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 1-11 Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄2 in. Drive
Minimum
Nominal Maximum Outside Minimum Proof
Opening, Diameter, in.
Opening Depth, Torque,
in. Nut End Drive End Nut End, in. lbf-in.
1
⁄2 0.773 1.010 0.266 1,000
9
⁄16 0.854 1.010 0.312 1,350
5
⁄8 0.947 1.010 0.345 1,500
11
⁄16 1.046 1.060 0.375 1,750
3
⁄4 1.105 1.150 0.437 1,750
13
⁄16 1.197 1.150 0.453 1,750
7
⁄8 1.273 1.150 0.500 1,750
15
⁄16 1.400 1.150 0.500 1,750

Table 1-11M Type III Sockets, Universal Joint, Single and Double Hexagon, 1⁄2 in. Drive
Nominal Maximum Outside Minimum Minimum
Diameter, mm
Opening, Opening Depth, Proof Torque,
mm Nut End Drive End Nut End, mm N·m

12 18.70 25.65 6.10 96

13 20.00 25.65 6.75 120
14 21.35 25.65 8.35 145
15 22.70 25.65 8.35 160

16 24.20 25.70 9.55 170

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

17 25.60 26.25 9.55 190

18 27.00 27.20 10.15 200
19 27.95 28.45 11.10 200

20 29.30 28.60 11.50 200

21 30.80 28.60 11.70 200
22 32.05 28.60 12.45 200

18
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ASME B107.110-2012

Category 2
Socket Wrenches, Extensions, Adaptors, and Universal Joints,
Power Drive (Impact)

2-1 CLASSIFICATION 2-2.1.4 Type V, Adaptors. Adaptors shall have an

external square drive at one end with a different size
NOTE: See Figs. 2-1 through 2-5.
and an internal square drive at the other end. Adaptors
Type I: sockets, single hexagon (6-point) and double shall be similar to Fig. 2-4 and shall comply with
hexagon (12-point) Table 2-17.
Type II: sockets, single square (4-point) and double 2-2.1.5 Type VI, Universal Joints. Universal joints
square (8-point) shall have an external square at one end and internal
Type III: universal sockets, single hexagon (6-point) drive square of the same size at the other end. Each
and double hexagon (12-point) member shall be permanently attached to each other.
Type IV: bars, extension Universal joints with 1⁄4 in., 3⁄8 in., and 1⁄2 in. drives shall
Type V: adaptors be provided with a means to hold the drive end and
Type VI: universal joint external square end in any set position with a force
Type VII: sockets, #5 spline drive, single hexagon adequate to hold the external square end against gravity.
(6-point) and double hexagon (12-point) Type VI universal joints shall be similar to Fig. 2-5 and
comply with Table 2-18.

2-2 PERFORMANCE REQUIREMENTS 2-2.2 Hardness

Sockets and attachments shall have a hardness value
2-2.1 Design for the sizes within the range shown in the table below
2-2.1.1 Type I and Type VII Sockets, Single Hexagon except that the maximum hardness for Type I, 1⁄2 in.
(6-point) and Double Hexagon (12-Point) and Type II drive thin wall sockets shall be 52 HRC.
Sockets, Single Square (4-Point) and Double Square HRC
(8-Point). Sockets shall be similar to Fig. 2-1 and shall Drive Size, in. (mm) Min. Max.
conform to Tables 2-1 through 2-13.
1
⁄4 , 3⁄8 , 1⁄2 (6.3, 10, 12.5) 38 55
3
2-2.1.2 Type III, Universal Sockets, Single (6-Point) ⁄4 (20) 38 52

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
and Double (12-Point) Hexagon. Type III universal sock- 1 (25), 11⁄2 , #5 Spline 35 50
ets shall be similar to Fig. 2-2 and comply with 21⁄2 , 31⁄2 28 42
Tables 2-14 and 2-15 (Tables 2-14M and 2-15M). 2-2.3 Bolt Clearance Hole
2-2.1.3 Type IV, Extension Bars. Extension bars shall A bolt clearance hole may be provided in Type III
have an external square drive at one end and an internal universal sockets. The diameter of the hole if provided
square drive of the same size at the other end. The shall be in accordance with the applicable size socket
extension bar shall be similar to Fig. 2-3 and shall comply as specified in Tables 2-14 and 2-15 (Tables 2-14M and
with Table 2-16. 2-15M).

19
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ASME B107.110-2012

Fig. 2-1 Type I, II, and VII Sockets

B
D C

Shape optional
A

B
D C

Type I, II Type I Type I

Single Hexagon Double Hexagon
A

B
D C

Type VII Type II Type II

Single Square Double Square
GENERAL NOTES:
(a) A shall be equal to or greater than nut opening depth in applicable tables.
(b) Maximum nut end diameter of socket C shall not be exceeded for length B and shall conform to applicable tables.
(c) B length shall be greater than or equal to the minimum nut opening depth A in applicable tables.
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

20
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Fig. 2-2 Type III, Universal Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point)
A
Shape optional

D B C

Square Single Double

Drive Hexagon Hexagon
GENERAL NOTES:
(a) A shall be equal to or greater than nut opening depth in applicable tables.
(b) Maximum nut end diameter of socket C shall not be exceeded for length B and shall conform to applicable tables.
(c) B length shall be greater than or equal to the minimum nut opening depth A in applicable tables.
(d) D is the outside diameter, drive end and shall conform to applicable tables.

Fig. 2-5 Type VI, Universal Joint

Fig. 2-3 Type IV, Bar Extension

Fig. 2-4 Type V, Adaptor

21
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Table 2-1 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1⁄4 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄16 0.285 0.350 0.435 0.510 0.110 0.130 95
7
⁄32 0.325 0.385 0.435 0.510 0.125 0.130 135
1
⁄4 0.360 0.424 0.440 0.510 0.125 0.150 190
9
⁄32 0.400 0.490 0.450 0.510 0.125 0.171 250
5
⁄16 0.440 0.502 0.470 0.510 0.141 0.171 320

11
⁄32 0.475 0.535 0.490 0.535 0.156 0.203 400
3
⁄8 0.510 0.580 0.515 0.580 0.156 0.281 500
7
⁄16 0.590 0.660 0.550 0.660 0.203 0.203 600
1
⁄2 0.665 0.737 0.550 0.730 0.209 0.344 600
9
⁄16 0.740 0.815 0.550 0.780 0.281 0.406 600

Table 2-1M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1⁄4 in. Drive

Outside Diameter, mm Minimum Minimum Bolt Minimum

Nominal Nut Opening Clearance Hole Proof
Opening, Nut End, C Drive End, D
Depth, Diameter, Torque,
mm Min. Max. Min. Max. A, mm B, mm N·m

5 8.0 9.1 11.7 14.0 2.8 3.2 10

5.5 8.7 9.7 11.7 14.0 2.8 3.6 14
6 9.3 10.6 11.7 14.0 3.1 3.6 16
7 10.6 11.6 11.9 14.0 3.6 4.3 27

8 11.7 12.8 12.4 14.0 3.6 5.3 38

9 12.8 14.1 13.0 16.0 4.1 5.3 49
10 13.9 15.6 14.0 16.0 4.6 6.6 63
11 15.1 16.6 14.4 16.7 5.5 7.6 68

12 16.4 17.8 14.4 17.7 6.1 8.3 68

13 17.8 19.1 15.0 19.1 6.8 8.3 68
14 19.1 20.7 19.1 21.0 7.5 10.4 68
15 20.3 21.6 20.3 22.0 7.5 10.4 68
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,

22
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-2 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 3⁄8 in. Drive
Outside Diameter, in. Minimum Bolt
Minimum Clearance Minimum
Nut End, C Drive End, D Nut Opening Hole Proof
Nominal Depth, A, Diameter, Torque,
Opening, in. Min. Max. Min. Max. in. B, in. lbf-in.
5
⁄16 0.471 0.515 0.677 0.760 0.141 0.171 440
11
⁄32 0.490 0.552 0.677 0.760 0.156 0.203 550
3
⁄8 0.527 0.605 0.677 0.760 0.156 0.281 660
7
⁄16 0.613 0.697 0.677 0.760 0.203 0.281 930
1
⁄2 0.693 0.823 0.700 0.823 0.209 0.344 1,240

9
⁄16 0.771 0.885 0.771 0.885 0.249 0.406 1,600
5
⁄8 0.860 0.948 0.860 0.948 0.281 0.469 2,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
11
⁄16 0.860 1.031 0.865 1.031 0.318 0.469 2,200
3
⁄4 1.021 1.073 0.865 1.073 0.356 0.531 2,200

Table 2-2M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 3⁄8 in. Drive

Outside Diameter, mm Minimum Minimum Bolt Minimum

Nominal Nut Opening Clearance Hole Proof
Opening, Nut End, C Drive End, D Depth, Diameter, Torque,
mm Min. Max. Min. Max. A, mm B, mm N·m

8 11.7 14.5 16.3 20.0 3.6 5.3 52

9 13.1 15.7 16.3 20.0 4.1 5.3 66
10 13.9 17.0 16.3 20.0 4.6 6.6 82
11 15.1 18.2 17.1 20.0 5.5 7.6 112

12 16.4 19.4 17.1 20.0 6.1 8.3 124

13 17.8 20.7 17.9 28.0 6.8 8.3 147
14 19.1 21.9 19.1 28.0 8.4 10.4 175
15 20.3 23.1 20.3 28.0 8.4 10.4 203

16 21.5 24.4 20.3 28.0 9.6 11.7 237

17 23.3 25.6 20.3 28.0 9.6 12.4 249
18 23.8 26.9 20.3 28.0 10.2 12.4 249
19 25.1 28.1 20.3 28.0 11.0 13.5 249

20 27.2 29.3 20.3 34.0 11.0 14.0 249

21 28.5 30.6 20.3 34.0 11.7 15.0 249
22 29.5 31.8 20.3 34.0 12.5 15.0 249
23 30.8 33.0 20.3 34.0 12.7 16.0 249
24 31.8 34.3 20.3 34.0 13.9 17.5 249

23
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-3 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1⁄2 in. Drive

Outside Diameter, in. Minimum Minimum Bolt

Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄8 0.550 0.715 0.850 1.135 0.156 0.281 1,100
7
⁄16 0.638 0.806 0.850 1.135 0.203 0.281 1,500
1
⁄2 0.726 0.897 0.850 1.135 0.209 0.344 2,000
9
⁄16 0.814 0.987 0.850 1.135 0.249 0.406 2,600
5
⁄8 0.902 1.070 0.850 1.135 0.281 0.469 3,300
11
⁄16 0.990 1.169 0.990 1.197 0.318 0.469 4,100
3
⁄4 1.062 1.260 1.004 1.260 0.356 0.531 5,000
13
⁄16 1.135 1.325 1.019 1.335 0.418 0.594 5,000
7
⁄8 1.207 1.390 1.033 1.410 0.479 0.594 5,000
15
⁄16 1.280 1.455 1.048 1.485 0.490 0.656 5,000

1 1.352 1.521 1.062 1.560 0.490 0.656 5,000

11⁄16 1.425 1.586 1.077 1.635 0.490 0.687 5,000
11⁄8 1.497 1.651 1.091 1.710 0.632 0.781 5,000
13⁄16 1.570 1.716 1.105 1.785 0.632 0.796 5,000
11⁄4 1.642 1.781 1.120 1.860 0.632 0.812 5,000

15⁄16 1.789 2.197 1.120 1.906 0.748 0.906 5,000

13⁄8 1.861 2.197 1.120 1.906 0.748 0.937 5,000
17⁄16 1.933 2.322 1.120 2.031 0.748 1.000 5,000
11⁄2 2.005 2.387 1.120 2.156 0.847 1.062 5,000
19⁄16 2.075 2.445 1.120 2.250 0.847 1.062 5,000
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

24
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-3M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1⁄2 in. Drive
Outside Diameter, mm Minimum Minimum Bolt Minimum
Nominal Nut Opening Clearance Hole Proof
Opening, Nut End, C Drive End, D Depth, Diameter, Torque,
mm Min. Max. Min. Max. A, mm B, mm N·m

9 15.0 16.5 21.0 28.0 4.1 5.3 110

10 15.1 17.8 21.0 28.0 4.6 6.6 153
11 16.4 19.0 21.0 28.0 5.5 7.6 170
12 17.7 20.8 21.0 28.0 6.1 8.3 203
13 19.2 21.5 21.0 28.0 6.8 8.3 249

14 20.6 22.8 23.0 37.0 8.4 10.4 282

15 22.0 26.0 23.0 37.0 8.4 10.4 339
16 23.5 28.8 23.0 37.0 9.6 11.7 407
17 24.9 28.8 24.0 37.0 9.6 12.4 475
18 26.4 28.8 24.3 37.0 10.2 12.4 542

19 27.8 32.0 25.0 37.0 11.1 13.5 565

20 29.1 32.0 25.0 37.0 11.5 14.0 570
21 29.8 32.0 25.0 37.0 11.7 15.0 570
22 30.5 33.6 25.0 37.0 12.5 15.0 570
23 32.6 35.1 26.0 37.0 12.7 16.0 570

24 34.0 36.3 26.0 37.0 13.9 17.5 570

25 34.8 38.1 26.0 40.0 14.0 18.3 570
26 36.7 38.3 26.0 40.0 14.6 18.3 570
27 37.9 40.2 27.7 44.5 15.8 18.3 570
29 40.4 44.5 27.7 44.5 16.7 20.0 570

30 40.4 44.6 27.7 44.6 16.7 20.0 570

32 42.7 47.2 27.7 48.0 18.3 23.0 570
34 42.7 49.5 27.7 49.5 20.0 23.0 570
35 49.3 52.7 27.7 53.0 20.0 23.0 570
36 49.6 54.0 28.0 54.5 20.0 26.0 570

25
--`,,,`,,``,```,,`,,`

Copyright ASME International

Table 2-4 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 3⁄4 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
9
⁄16 0.990 1.100 1.490 1.640 0.249 0.406 3,700
5
⁄8 1.083 1.187 1.490 1.640 0.281 0.469 4,400
11
⁄16 1.146 1.217 1.490 1.640 0.318 0.469 5,100
3
⁄4 1.141 1.268 1.490 1.640 0.356 0.531 6,900
13
⁄16 1.213 1.385 1.490 1.640 0.418 0.594 8,200
7
⁄8 1.285 1.635 1.490 1.640 0.479 0.594 8,600
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

15
⁄16 1.357 1.635 1.490 1.640 0.490 0.656 9,600
1 1.429 1.635 1.490 1.715 0.490 0.656 11,000
11⁄16 1.501 1.701 1.520 1.790 0.490 0.687 14,000
11⁄8 1.552 1.760 1.550 1.865 0.632 0.781 16,000

13⁄16 1.680 1.980 1.580 1.940 0.632 0.796 17,000

11⁄4 1.736 2.197 1.610 2.015 0.632 0.812 18,000
15⁄16 1.796 2.197 1.640 2.090 0.740 0.937 18,000
13⁄8 1.920 2.197 1.670 2.165 0.740 0.937 18,000
17⁄16 1.934 2.322 1.700 2.165 0.740 1.000 18,000

11⁄2 2.052 2.387 1.730 2.165 0.847 1.062 18,000

19⁄16 2.075 2.445 1.730 2.165 0.847 1.062 18,000
15⁄8 2.240 2.510 1.730 2.165 0.847 1.125 18,000
111⁄16 2.490 2.570 1.730 2.165 0.970 1.187 18,000
13⁄4 2.490 2.650 1.730 2.165 0.980 1.187 18,000

113⁄16 2.563 2.730 1.730 2.165 0.990 1.250 18,000

17⁄8 2.600 2.815 1.730 2.165 1.062 1.312 18,000
2 2.720 2.980 1.730 2.165 1.062 1.375 18,000
21⁄16 2.800 3.060 1.730 2.165 1.150 1.437 18,000
23⁄16 2.920 3.230 1.730 2.165 1.193 1.500 18,000
21⁄4 3.000 3.310 1.730 2.165 1.276 1.562 18,000
23⁄8 3.120 3.460 1.730 2.165 1.303 1.562 18,000

26
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-4M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 3⁄4 in. Drive
Outside Diameter, mm Minimum Minimum Bolt Minimum
Nominal Nut Opening Clearance Hole Proof
Opening, Nut End, C Drive End, D Depth, Diameter, Torque,
mm Min. Max. Min. Max. A, mm B, mm N·m

17 27.5 31.9 37.9 48.0 9.6 12.4 554

18 28.0 32.2 37.9 48.0 10.2 12.4 610
19 30.1 33.6 37.9 48.0 11.1 13.5 780
20 31.9 34.9 38.4 48.0 11.5 14.0 780
21 33.8 37.4 38.9 48.0 11.7 15.0 930

22 33.8 40.7 38.9 48.0 12.5 15.0 972

23 37.4 41.3 38.9 48.0 12.7 16.0 1 015
24 37.4 42.0 39.0 48.0 13.9 17.5 1 085
25 40.2 43.0 39.0 48.0 14.0 18.3 1 160
26 40.2 43.5 39.0 48.0 14.6 18.3 1 240

27 40.2 45.0 39.0 49.5 15.8 18.3 1 580

28 43.5 45.5 40.4 49.5 16.3 19.0 1 695
29 45.4 47.3 40.4 49.5 16.7 20.0 1 810
30 45.4 51.0 40.4 49.8 16.7 20.0 1 885
31 46.7 51.5 41.1 49.8 17.8 22.0 1 955

32 47.7 51.7 41.7 58.0 18.3 23.0 2 030

33 49.8 51.7 42.5 58.0 19.1 24.0 2 030
34 49.8 55.8 42.5 58.0 20.0 24.0 2 030
35 51.3 57.2 43.0 58.0 20.1 24.0 2 030
36 52.9 58.0 43.6 58.0 21.5 26.0 2 030
38 55.1 60.6 43.6 58.0 22.3 27.0 2 030

40 59.1 63.5 43.6 58.0 22.8 29.0 2 030

41 59.1 65.2 44.2 58.0 24.9 30.5 2 030
42 61.7 65.2 44.2 58.0 25.4 31.0 2 030
43 62.5 65.3 44.2 58.0 25.4 31.0 2 030
46 66.0 71.3 44.2 68.0 28.6 32.5 2 030
50 69.3 74.8 44.2 68.0 29.8 36.5 2 030

27
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Table 2-5 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄4 1.281 1.448 1.990 2.135 0.356 0.531 8,000
13
⁄16 1.365 1.510 1.990 2.135 0.418 0.594 10,000
7
⁄8 1.417 1.544 1.990 2.135 0.479 0.594 11,000
15
⁄16 1.480 1.607 1.990 2.135 0.490 0.656 13,000
1 1.490 1.763 1.990 2.135 0.490 0.656 14,000
11⁄16 1.521 1.763 1.990 2.197 0.490 0.687 15,000
11⁄8 1.552 1.823 1.990 2.197 0.632 0.781 17,300
13⁄16 1.680 1.980 1.990 2.197 0.632 0.796 19,700
11⁄4 1.736 2.197 1.990 2.197 0.632 0.812 22,000
15⁄16 1.828 2.260 1.990 2.197 0.740 0.937 22,000
13⁄8 1.920 2.322 1.990 2.322 0.740 0.937 22,000
17⁄16 2.012 2.397 1.990 2.397 0.740 1.000 24,000
11⁄2 2.104 2.473 1.990 2.473 0.847 1.062 24,000
19⁄16 2.196 2.548 1.990 2.548 0.847 1.062 26,000
15⁄8 2.288 2.623 1.990 2.623 0.847 1.125 26,000
111⁄16 2.379 2.699 1.990 2.699 0.970 1.187 28,000
13⁄4 2.471 2.774 1.990 2.774 0.980 1.187 28,000
113⁄16 2.563 2.849 2.240 2.849 0.990 1.250 30,000
17⁄8 2.655 2.925 2.240 2.925 1.062 1.312 30,000
115⁄16 2.747 3.000 2.240 3.000 1.062 1.312 30,000
2 2.839 3.073 2.240 3.073 1.062 1.375 32,000
21⁄16 2.931 3.073 2.240 3.073 1.169 1.437 32,000
21⁄8 3.023 3.166 2.240 3.166 1.169 1.500 32,000
23⁄16 3.115 3.260 2.365 3.260 1.193 1.500 32,000
21⁄4 3.240 3.385 2.365 3.385 1.276 1.562 32,000
25⁄16 3.302 3.447 2.365 3.447 1.276 1.562 32,000
23⁄8 3.365 3.510 2.365 3.510 1.303 1.562 32,000
27⁄16 3.490 3.640 2.365 3.640 1.353 1.687 32,000
21⁄2 3.490 3.640 2.365 3.640 1.353 1.750 32,000
29⁄16 3.615 3.760 2.365 3.760 1.380 1.750 32,000
25⁄8 3.615 3.760 2.365 3.760 1.460 1.812 32,000
211⁄16 3.677 3.885 2.365 3.885 1.460 1.875 32,000
23⁄4 3.740 4.010 2.365 4.010 1.490 1.875 32,000
213⁄16 3.990 4.100 2.365 4.100 1.567 1.937 32,000
27⁄8 3.990 4.100 2.365 4.100 1.567 1.937 32,000
215⁄16 3.990 4.135 2.365 4.135 1.600 1.937 32,000
3 4.115 4.260 2.365 4.260 1.675 2.125 32,000
31⁄8 4.115 4.385 2.365 4.385 1.708 2.125 32,000
31⁄4 4.180 4.572 2.365 4.572 1.708 2.312 32,000
33⁄8 4.240 4.760 2.365 4.760 1.870 2.375 32,000
31⁄2 4.740 5.040 2.365 5.040 1.911 2.375 32,000
35⁄8 4.750 5.050 2.365 5.050 2.000 2.560 32,000
37⁄8 4.900 5.365 2.365 5.365 2.150 2.625 32,000
4 5.120 5.520 2.365 5.520 2.200 2.850 32,000
41⁄8 5.300 5.680 2.365 5.680 2.250 2.850 32,000
41⁄4 5.400 5.835 2.365 5.835 2.300 2.850 32,000
41⁄2 5.600 6.150 2.365 6.150 2.400 3.090 32,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
28
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-5M Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 1 in. Drive
Outside Diameter, mm Minimum Minimum Bolt Minimum
Nominal Nut Opening Clearance Proof
Opening, Nut End, C Drive End, D Depth, Hole Diameter, Torque,
mm Min. Max. Min. Max. A, mm B, mm N·m

19 33.4 38.0 48.6 58.0 11.1 13.5 900

22 37.9 41.6 48.6 58.0 12.5 15.0 1 240
24 38.7 44.0 48.6 58.0 13.9 17.5 1 470
27 42.3 46.7 48.6 58.0 15.8 18.3 1 695
28 44.8 46.7 48.6 58.0 16.3 19.0 1 955

30 45.5 54.2 51.4 58.0 16.7 20.0 2 225

32 47.7 54.2 51.4 58.0 18.3 23.0 2 490
33 51.3 54.2 51.4 58.0 19.1 24.0 2 490
35 51.3 58.0 51.4 58.0 20.1 24.0 2 490
36 55.1 58.0 51.4 58.0 21.5 26.0 2 712

38 55.1 61.0 51.4 58.0 22.3 27.0 2 712

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

41 59.1 65.2 51.4 58.0 24.9 30.5 2 940

46 66.0 71.3 57.7 68.0 28.6 32.5 3 390
50 69.3 76.9 58.4 68.0 29.8 36.5 3 615
52 74.3 77.9 58.4 68.0 29.8 37.0 3 615

54 76.9 83.4 58.4 68.0 31.0 39.5 3 615

55 81.7 83.4 58.4 68.0 33.6 39.5 3 615
60 84.1 89.8 58.4 68.0 35.0 39.5 3 615
65 89.4 95.9 58.4 70.6 35.0 39.5 3 615
70 94.8 101.0 58.4 70.6 35.0 39.5 3 615

29
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-6 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 11⁄2 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance
Nominal Nut End, C Drive End, D Opening Hole
Opening, Depth, Diameter,
in. Min. Max. Min. Max. A, in. B, in.

13⁄8 2.490 2.885 2.990 3.260 0.740 0.937

17⁄16 2.490 2.885 2.990 3.260 0.740 1.000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
11⁄2 2.553 2.915 2.990 3.260 0.847 1.062
19⁄16 2.553 2.915 2.990 3.260 0.847 1.093
15⁄8 2.615 3.041 2.990 3.260 0.847 1.125

111⁄16 2.740 3.041 2.990 3.260 0.970 1.187

13⁄4 2.740 3.135 2.990 3.260 0.980 1.187
113⁄16 2.865 3.135 2.990 3.260 0.990 1.250
17⁄8 2.921 3.198 2.990 3.260 1.062 1.312
115⁄16 2.990 3.260 2.990 3.260 1.062 1.312

2 3.178 3.573 3.240 3.573 1.062 1.375

21⁄16 3.183 3.635 3.240 3.635 1.169 1.437
21⁄8 3.183 3.635 3.240 3.635 1.169 1.500
23⁄16 3.240 3.698 3.240 3.698 1.193 1.500
21⁄4 3.365 3.822 3.240 3.822 1.276 1.562

25⁄16 3.365 3.822 3.240 3.822 1.276 1.562

23⁄8 3.490 3.885 3.240 3.885 1.303 1.562
27⁄16 3.615 3.941 3.240 3.941 1.353 1.687
21⁄2 3.678 4.073 3.240 4.073 1.353 1.750
29⁄16 3.740 4.103 3.240 4.103 1.380 1.750

25⁄8 3.865 4.198 3.240 4.198 1.460 1.812

211⁄16 3.925 4.260 3.240 4.260 1.460 1.875
23⁄4 4.053 4.385 3.240 4.385 1.490 1.875
213⁄16 4.115 4.573 3.240 4.573 1.567 1.937
27⁄8 4.178 4.635 3.240 4.635 1.567 1.937

215⁄16 4.178 4.698 3.240 4.698 1.600 1.937

3 4.365 4.835 3.240 4.835 1.675 2.125
31⁄16 4.490 4.885 3.240 4.885 1.695 2.125
31⁄8 4.553 4.941 3.240 4.941 1.708 2.125
33⁄16 4.615 5.010 3.240 5.010 1.708 2.187

31⁄4 4.678 5.073 3.240 5.073 1.708 2.312

35⁄16 4.740 5.135 3.240 5.135 1.790 2.312
33⁄8 4.865 5.135 3.240 5.135 1.870 2.375
37⁄16 4.865 5.198 3.240 5.198 1.890 2.375
31⁄2 4.865 5.260 3.240 5.260 1.911 2.375

39⁄16 4.920 5.322 3.240 5.322 1.955 2.387

35⁄8 4.990 5.385 3.240 5.385 2.000 2.560
311⁄16 4.990 5.448 3.240 5.448 2.040 2.560
33⁄4 5.115 5.573 3.240 5.573 2.080 2.600
313⁄16 5.240 5.635 3.240 5.635 2.120 2.600

30
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-6 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), 11⁄2 in. Drive
(Cont’d)
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance
Nominal Nut End, C Drive End, D Opening Hole
Opening, Depth, Diameter,
in. Min. Max. Min. Max. A, in. B, in.
7
3 ⁄8 5.302 5.698 3.240 5.698 2.150 2.625
315⁄16 5.490 5.822 3.240 5.822 2.175 2.700
4 5.490 5.885 3.240 5.885 2.200 2.850
41⁄16 5.553 5.941 3.240 5.941 2.225 2.850
41⁄8 5.740 6.073 3.240 6.073 2.250 2.850

43⁄16 5.740 6.103 3.240 6.103 2.275 2.875

41⁄4 5.802 6.135 3.240 6.135 2.300 2.875
45⁄16 5.865 6.322 3.240 6.322 2.325 3.000
43⁄8 5.921 6.322 3.240 6.322 2.350 3.000

47⁄16 5.990 6.395 3.240 6.395 2.375 3.000

41⁄2 6.115 6.573 3.240 6.573 2.400 3.090
45⁄8 6.302 6.573 3.240 6.573 2.425 3.125
43⁄4 6.365 6.635 3.240 6.635 2.450 3.290
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

31
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-7 Type I Sockets, Single Hexagon (6-Point), 21⁄2 in. Drive
Maximum Outside Minimum Bolt
Diameter, in. Minimum Nut Clearance Hole
Nominal Opening Depth, Diameter,
Opening, in. Nut End, C Drive End, D A, in. B, in.

21⁄4 4.600 5.500 1.276 1.562

23⁄8 4.700 5.500 1.303 1.562
27⁄16 4.750 5.500 1.353 1.687
29⁄16 4.800 5.500 1.380 1.750
25⁄8 4.850 5.500 1.460 1.812

23⁄4 5.000 5.500 1.490 1.875

213⁄16 5.050 5.750 1.567 1.937
215⁄16 5.100 5.750 1.600 1.937
3 5.200 5.750 1.675 2.125
31⁄8 5.250 5.750 1.708 2.125

33⁄8 5.500 5.750 1.870 2.375

31⁄2 5.600 5.750 1.911 2.375
33⁄4 6.250 6.000 1.913 2.600
37⁄8 6.250 6.000 2.150 2.625
41⁄8 6.250 6.000 2.250 2.850

41⁄4 7.000 6.000 2.300 2.875

41⁄2 7.000 6.000 2.400 3.090
45⁄8 7.000 6.000 2.550 3.125
5 7.500 6.000 2.763 3.375
53⁄4 8.625 6.000 3.188 3.875
61⁄8 9.000 6.000 3.400 4.125
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

32
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-8 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), Thin Wall,
1
⁄2 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄8 0.556 0.636 0.850 1.135 0.156 0.281 1,100
7
⁄16 0.633 0.713 0.850 1.135 0.203 0.281 1,500
1
⁄2 0.711 0.791 0.850 1.135 0.209 0.344 2,000
9
⁄16 0.788 0.868 0.850 1.135 0.249 0.406 2,600
5
⁄8 0.866 0.946 0.850 1.135 0.281 0.469 3,300

11
⁄16 0.944 1.024 0.964 1.197 0.318 0.469 4,100
3
⁄4 1.020 1.100 1.004 1.260 0.356 0.531 5,000
13
⁄16 1.098 1.158 1.019 1.335 0.418 0.594 5,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
7
⁄8 1.175 1.255 1.033 1.410 0.479 0.594 5,000
15
⁄16 1.253 1.333 1.048 1.485 0.490 0.656 5,000

1 1.330 1.410 1.062 1.560 0.490 0.656 5,000

11⁄16 1.408 1.488 1.077 1.635 0.490 0.687 5,000
11⁄8 1.485 1.565 1.091 1.710 0.632 0.781 5,000
13⁄16 1.563 1.643 1.105 1.785 0.632 0.796 5,000
11⁄4 1.640 1.720 1.120 1.860 0.632 0.812 5,000

15⁄16 1.718 1.798 1.120 1.860 0.748 0.906 5,000

13⁄8 1.795 1.875 1.120 1.860 0.748 0.937 5,000
17⁄16 1.872 1.952 1.120 2.000 0.748 1.000 5,000
11⁄2 1.950 2.030 1.120 2.000 0.847 1.062 5,000
19⁄16 2.028 2.108 1.120 2.000 0.847 1.062 5,000

33
Copyright ASME International
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-9 Type I Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), Thin Wall,
3
⁄4 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
1
⁄2 0.801 0.940 1.490 1.635 0.209 0.344 3,000
9
⁄16 0.990 1.010 1.490 1.635 0.249 0.406 3,700
5
⁄8 1.003 1.187 1.490 1.635 0.281 0.469 4,400
11
⁄16 1.141 1.187 1.490 1.635 0.318 0.469 5,100
3
⁄4 1.141 1.260 1.490 1.640 0.356 0.531 6,000

13
⁄16 1.213 1.385 1.490 1.640 0.418 0.594 6,800
7
⁄8 1.285 1.635 1.490 1.640 0.479 0.594 7,700
15
⁄16 1.357 1.635 1.490 1.640 0.490 0.656 8,700
1 1.429 1.635 1.490 1.715 0.490 0.656 9,700
11⁄16 1.501 1.701 1.520 1.790 0.490 0.687 10,800

11⁄8 1.573 1.760 1.520 1.865 0.632 0.781 11,900

13⁄16 1.645 1.980 1.520 1.940 0.632 0.796 13,000
11⁄4 1.717 2.197 1.520 2.015 0.632 0.812 14,200
15⁄16 1.789 2.197 1.520 2.090 0.740 0.937 15,400
13⁄8 1.861 2.197 1.520 2.165 0.740 0.937 16,700

17⁄16 1.933 2.322 1.520 2.165 0.740 1.000 18,000

11⁄2 2.005 2.387 1.520 2.165 0.847 1.062 18,000
19⁄16 2.028 2.445 1.545 2.165 0.847 1.062 18,000
15⁄8 2.145 2.510 1.578 2.165 0.847 1.125 18,000
111⁄16 2.245 2.510 1.578 2.165 0.970 1.187 18,000

13⁄4 2.325 2.510 1.578 2.165 0.980 1.187 18,000

113⁄16 2.400 2.560 1.578 2.165 0.990 1.250 18,000
17⁄8 2.490 2.640 1.578 2.165 1.062 1.312 18,000
2 2.650 2.800 1.578 2.165 1.062 1.375 18,000
21⁄16 2.730 2.880 1.578 2.165 1.150 1.437 18,000

23⁄16 2.895 3.050 1.578 2.165 1.193 1.500 18,000

21⁄4 3.000 3.125 1.578 2.165 1.276 1.562 18,000
23⁄8 3.140 3.290 1.578 2.165 1.303 1.562 18,000

Table 2-10 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 3⁄8 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
1
⁄4 0.466 0.491 0.677 0.697 0.125 0.156 270
5
⁄16 0.559 0.666 0.677 0.760 0.141 0.171 440
3
⁄8 0.637 0.760 0.677 0.760 0.156 0.281 660
7
⁄16 0.740 0.854 0.740 0.854 0.203 0.281 930

1
⁄2 0.865 0.948 0.865 0.948 0.209 0.343 1,240
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

9
⁄16 0.950 1.041 0.950 1.041 0.249 0.406 1,600
5
⁄8 1.052 1.138 1.052 1.138 0.281 0.469 2,000
11
⁄16 1.115 1.198 1.115 1.198 0.318 0.469 2,200

34
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Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-11 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 1⁄2 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄8 0.697 0.760 0.865 1.010 0.156 0.281 1,100
7
⁄16 0.802 0.860 0.927 1.010 0.203 0.281 1,500
1
⁄2 0.898 0.978 0.927 1.041 0.209 0.344 2,000
9
⁄16 0.990 1.041 0.990 1.138 0.249 0.406 2,600
5
⁄8 1.099 1.166 1.104 1.197 0.281 0.469 3,300
11
⁄16 1.178 1.260 1.178 1.260 0.318 0.469 4,100
3
⁄4 1.302 1.343 1.115 1.385 0.356 0.531 5,000
13
⁄16 1.365 1.447 1.115 1.447 0.418 0.594 5,000
7
⁄8 1.490 1.573 1.245 1.572 0.479 0.594 5,000
15
⁄16 1.601 1.666 1.302 1.697 0.490 0.656 5,000
1 1.678 1.760 1.302 1.760 0.490 0.656 5,000
11⁄16 1.823 1.843 1.302 1.843 0.490 0.687 5,000

Table 2-12 Type II Sockets, Single Square (4-Point) and Double Square (8-Point), 3⁄4 in. Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
1
⁄2 0.990 1.073 1.490 1.635 0.209 0.344 3,000
9
⁄16 1.146 1.166 1.490 1.635 0.249 0.406 3,700
5
⁄8 1.235 1.260 1.490 1.635 0.281 0.469 4,400
11
⁄16 1.330 1.355 1.490 1.635 0.318 0.469 5,100
3
⁄4 1.490 1.635 1.490 1.635 0.356 0.531 6,900

13
⁄16 1.615 1.698 1.600 1.760 0.418 0.594 8,200
7
⁄8 1.740 1.760 1.615 1.826 0.479 0.594 8,600
15
⁄16 1.802 1.826 1.615 1.826 0.490 0.656 9,600
1 1.927 2.135 1.615 2.135 0.490 0.656 11,000
11⁄16 1.990 2.135 1.740 2.135 0.490 0.687 14,000

11⁄8 2.115 2.322 1.740 2.322 0.632 0.781 16,000

11⁄4 2.365 2.447 1.740 2.447 0.632 0.812 18,000
15⁄16 2.490 2.697 1.740 2.697 0.740 0.937 18,000
17⁄16 2.615 2.697 1.740 2.697 0.740 1.000 18,000
11⁄2 2.740 2.823 1.740 2.823 0.847 1.062 18,000
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`-

35
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-13 Type VII Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point), #5 Spline Drive
Outside Diameter, in. Minimum Minimum Bolt
Nut Clearance Minimum
Nut End, C Drive End, D Opening Hole Proof
Nominal Depth, Diameter, Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. lbf-in.
3
⁄4 1.281 1.448 2.365 2.406 0.356 0.531 6,400
13
⁄16 1.365 1.510 2.365 2.406 0.418 0.594 7,400

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
7
⁄8 1.417 1.544 2.365 2.406 0.479 0.594 8,400
15
⁄16 1.480 1.607 2.365 2.406 0.490 0.656 9,400
1 1.490 1.763 2.365 2.406 0.490 0.656 10,500

11⁄16 1.521 1.763 2.365 2.406 0.490 0.687 11,700

11⁄8 1.552 1.823 2.365 2.406 0.632 0.781 12,800
11⁄4 1.736 2.197 2.365 2.406 0.632 0.812 15,400
15⁄16 1.828 2.380 2.365 2.406 0.740 0.937 16,700
13⁄8 1.920 2.450 2.365 2.406 0.740 0.937 18,000

17⁄16 2.012 2.600 2.365 2.406 0.740 1.000 19,500

11⁄2 2.104 2.645 2.365 2.473 0.847 1.062 21,000
15⁄8 2.288 2.800 2.365 2.510 0.847 1.125 24,000
111⁄16 2.379 2.900 2.365 2.635 0.970 1.187 26,000
113⁄16 2.563 3.020 2.365 2.822 0.990 1.250 29,000

17⁄8 2.655 3.020 2.365 2.822 1.062 1.312 31,000

2 2.839 3.150 2.365 3.073 1.062 1.375 34,000
21⁄16 2.931 3.220 2.365 3.073 1.169 1.437 36,000
23⁄16 3.115 3.365 2.365 3.260 1.193 1.500 40,000
21⁄4 3.240 3.440 2.365 3.260 1.276 1.562 42,000

23⁄8 3.365 3.585 2.365 3.385 1.303 1.562 46,000

27⁄16 3.490 3.655 2.365 3.510 1.353 1.687 48,000
21⁄2 3.490 3.730 2.365 3.510 1.353 1.750 48,000
29⁄16 3.615 3.800 2.365 3.635 1.380 1.750 48,000
25⁄8 3.615 3.875 2.365 3.760 1.460 1.812 48,000

23⁄4 3.740 4.050 2.365 4.010 1.490 1.875 48,000

213⁄16 3.990 4.100 2.365 4.135 1.567 1.937 48,000
215⁄16 3.990 4.240 2.365 4.135 1.600 1.937 48,000
3 4.115 4.310 2.365 4.260 1.675 2.125 48,000
31⁄8 4.115 4.455 2.365 4.260 1.708 2.125 48,000

33⁄8 4.240 4.760 2.365 4.635 1.870 2.375 48,000

31⁄2 4.740 4.760 2.365 4.760 1.911 2.375 48,000

36
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-14 Type III Universal Sockets, Single Hexagon (6-Point) and
Double Hexagon (12-Point), 3⁄8 in. Drive
Minimum
Outside Diameter, in. Minimum Bolt
Nut Clearance Minimum Minimum
Nut End, C Drive End, D Opening Hole Depth of Bolt Proof
Nominal Depth, Diameter, Clearance Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. Hole, in. lbf-in.
3
⁄8 0.520 0.760 0.677 0.910 0.156 0.281 0.234 450
7
⁄16 0.607 0.760 0.677 0.910 0.203 0.281 0.305 625
1
⁄2 0.677 0.823 0.677 0.910 0.209 0.344 0.314 725
9
⁄16 0.740 0.850 0.677 0.910 0.249 0.406 0.374 750
5
⁄8 0.855 0.948 0.730 0.910 0.281 0.469 0.422 750
11
⁄16 0.970 1.010 0.730 0.910 0.318 0.469 0.477 750
3
⁄4 1.030 1.135 0.730 0.910 0.356 0.531 0.534 750

Table 2-14M Type III Universal Sockets, Single Hexagon (6-Point)

and Double Hexagon (12-Point), 3⁄8 in. Drive
Outside Diameter, mm Minimum Minimum Bolt Minimum Minimum
Nominal Nut Opening Clearance Hole Depth of Bolt Proof
Opening, Nut End, C Drive End, D
Depth, Diameter, Clearance Torque,
mm Min. Max. Min. Max. A, mm B, mm Hole, mm N·m

8 12.6 14.1 20.0 24.4 3.55 7.0 5.3 37

9 13.8 15.3 20.0 24.4 4.05 7.0 6.1 52
10 15.0 19.3 20.0 24.4 4.60 8.0 6.9 57
11 16.2 19.3 20.0 24.4 5.45 8.5 8.2 69

12 17.4 19.3 20.0 24.4 6.10 8.5 9.2 77

13 18.6 20.9 20.0 28.0 6.75 9.0 10.1 82
14 19.8 22.5 20.0 28.0 7.00 10.0 10.5 84
15 20.7 22.9 20.0 28.0 7.00 10.5 10.5 85

16 22.2 24.1 20.0 28.0 8.00 11.5 12.0 85

17 23.1 25.7 20.0 28.0 8.00 11.5 12.0 85
18 24.6 26.7 20.0 28.0 9.00 12.0 13.5 85
19 25.8 28.8 20.0 28.0 9.00 13.0 13.5 85

20 26.5 29.4 22.7 28.0 11.50 13.0 17.3 85

21 27.5 30.2 22.7 28.0 11.70 13.0 17.6 85
22 29.0 31.8 22.7 28.0 12.00 13.0 18.0 85
23 30.0 33.3 22.7 28.0 12.70 13.0 19.1 85
24 31.0 34.9 22.7 28.0 13.85 13.0 20.8 85

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
37
Copyright ASME International
Provided by IHS under license with ASME Licensee=University of Texas Revised Sub Account/5620001114
No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-15 Type III Universal Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point),
1
⁄2 in. Drive
Minimum
Outside Diameter, in. Minimum Bolt
Nut Clearance Minimum Minimum
Nut End, C Drive End, D Opening Hole Depth of Bolt Proof
Nominal Depth, Diameter, Clearance Torque,
Opening, in. Min. Max. Min. Max. A, in. B, in. Hole, in. lbf-in.
7
⁄16 0.600 0.814 0.865 1.063 0.203 0.281 0.305 850
1
⁄2 0.681 0.891 0.865 1.063 0.209 0.344 0.314 1,000
9
⁄16 0.763 0.968 0.865 1.063 0.249 0.406 0.374 1,350
5
⁄8 0.844 1.046 0.865 1.063 0.281 0.469 0.422 1,500
11
⁄16 0.926 1.123 0.927 1.250 0.318 0.469 0.477 1,750

3
⁄4 1.001 1.260 0.927 1.250 0.356 0.531 0.534 1,750
13
⁄16 1.009 1.278 0.927 1.250 0.418 0.594 0.627 1,750
7
⁄8 1.178 1.355 0.927 1.250 0.479 0.594 0.719 1,750
15
⁄16 1.252 1.433 0.927 1.250 0.490 0.656 0.735 1,750
1 1.333 1.510 0.927 1.250 0.490 0.656 0.735 1,750

11⁄16 1.364 1.515 0.927 1.250 0.490 0.687 0.735 1,750

11⁄8 1.439 1.590 0.927 1.250 0.632 0.781 0.948 1,750
13⁄16 1.514 1.665 0.927 1.250 0.632 0.796 0.948 1,750
11⁄4 1.588 1.740 0.927 1.250 0.632 0.812 0.948 1,750
15⁄16 1.663 1.815 0.927 1.250 0.748 0.906 1.122 1,750

Table 2-15M Type III Universal Sockets, Single Hexagon (6-Point) and Double Hexagon (12-Point),
1
⁄2 in. Drive
Outside Diameter, mm Minimum Minimum Bolt Minimum Minimum
Nominal Nut End, C Drive End, D Nut Opening Clearance Hole Depth of Bolt Proof
Opening, Depth, Diameter, Clearance Torque,
mm Min. Max. Min. Max. A, mm B, mm Hole, mm N·m

10 15.0 20.7 22.5 28.0 4.60 8.0 6.9 57

11 16.5 20.7 22.5 28.0 5.45 8.5 8.2 69
12 18.0 21.7 22.5 28.0 6.10 8.5 9.2 96
13 19.5 22.6 22.5 28.0 6.75 9.0 10.1 120
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

14 21.1 24.6 22.5 37.0 8.00 10.0 12.0 145

15 22.5 25.4 23.7 37.0 8.00 10.5 12.0 160
16 23.8 26.6 25.6 37.0 8.50 11.5 12.8 170
17 25.5 27.9 27.5 37.0 9.00 11.5 13.5 190

18 26.6 30.1 28.5 37.0 9.50 12.0 14.3 200

19 28.0 32.0 28.5 37.0 10.50 13.0 15.8 200
21 30.4 32.9 28.5 37.0 11.70 13.0 17.6 200
22 31.6 34.4 28.5 37.0 12.45 13.0 18.7 200
24 34.3 36.4 28.7 37.0 13.85 13.0 20.8 200

38
Copyright ASME International
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No reproduction or networking permitted without license from IHS Not for Resale, 06/26/2013 17:47:32 MDT
ASME B107.110-2012

Table 2-16 Type IV, Bar Extension Table 2-18 Type VI, Universal Joint
Maximum Minimum External and Internal Maximum Maximum Minimum
Drive Nominal Shank Overall Length, in. Proof Drive End Size, Overall Diameter, Proof Torque
Size, Length, Diameter, Torque, in., Nominal Length, in. in. lbf-in.
in. in. in. Min. Max. lbf-in.
1
⁄4 1.688 0.625 250
1 3
⁄4 2 0.380 1.750 2.500 500 ⁄8 2.500 1.000 1,000
1
4 0.380 3.750 4.500 500 ⁄2 3.063 1.500 2,800
5
6 0.380 5.750 6.500 500 ⁄8 3.500 1.500 5,000
3
3 ⁄4 4.250 2.000 7,000
⁄8 3 0.510 2.500 3.500 1,200 1 6.100 2.750 10,000
6 0.510 5.500 6.500 1,200
12 0.510 11.500 12.500 1,200
1
⁄2 3 0.700 2.500 3.500 3,500
5 0.700 4.500 6.000 3,500
6 0.700 5.500 6.500 3,500
10 0.700 9.500 10.500 3,500
3
⁄4 3 1.313 2.500 3.500 9,000
7 1.313 6.500 7.500 9,000
10 1.313 9.500 10.500 9,000
13 1.313 12.500 13.500 9,000

1 3 1.563 2.500 3.500 15,000

7 1.563 5.500 7.500 15,000
13 1.563 11.500 13.500 15,000

Table 2-17 Type V, Adaptors

Maximum
External Drive Internal Drive Maximum Outside Proof
Size, in., Size, in., Overall Diameter, Torque,
Nominal Nominal Length, in. in. lbf-in.
3 1
⁄8 ⁄4 1.000 0.625 450
1 3
⁄4 ⁄8 1.125 0.687 450
3 1
⁄8 ⁄2 1.625 1.188 2,000
1 3
⁄2 ⁄8 1.563 1.063 2,000
1 5
⁄2 ⁄8 1.906 1.375 3,500
1 3
⁄2 ⁄4 2.270 1.688 4,500

5 1
⁄8 ⁄2 1.813 1.375 4,500
5 3
⁄8 ⁄4 2.270 1.688 4,500

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
3 1
⁄4 ⁄2 2.031 1.375 4,500
3 5
⁄4 ⁄8 2.031 1.563 9,000
3
⁄4 1 3.060 2.250 14,000
3
1 ⁄4 2.688 2.063 14,000

39
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ASME B107.110-2012

Category 10
Handles and Attachments for Hand Socket Wrenches

10-1 CLASSIFICATION Table 10-2 when tested as specified in para. 5.3 and
the drop test of para. 10-3.6. The ratchet handle shall
Type I: handles
withstand the proof torque specified. and shall show no
Class 1: hinged
indication of damage or adverse effects on the ratcheting
Class 2: ratchet, reversible mechanism and the handle after removal of the test
Class 3: speeder torque. Handles shall conform to Table 10-2.
Style A: brace type, single, revolving handgrip
Style B: spin type, screwdriver grip 10-2.1.3 Class 3, Speeder. The requirements of
Class 4: T, sliding para. 10-2.3 do not apply to these tools.
Type II: attachments (a) Style A, Brace Type, Single Revolving Handgrip
Class 1: universal joint (Illustration in Table 10-3). Handles shall have a square
Class 2: extension bar external tang at one end and an attached rotatable metal
Style A: solid handgrip or knob at the other end. Grips or knobs shall
be constructed so that they will rotate freely without
Style B: flexible
binding after being subjected to the thrust load and pull
Class 3: adaptor
loads specified in Table 10-3 and paras. 10-3.7 and 10-3.8.
Style A: socket wrench
The shank shall not extend through the end of the hand-
Style B: ratchet
grip or knob. Handles shall conform to Table 10-3.
(b) Style B, Spin Type, Screwdriver Grip (Illustration in
10-2 PERFORMANCE REQUIREMENTS Table 10-4). Handles shall consist of a steel shank having
a square drive tang at one end and a handgrip at the
10-2.1 Design, Type I, Handles other end. The handle grip shall be shaped so as to
10-2.1.1 Class 1, Hinged (Illustration in Table 10-1). afford a comfortable grip and shall be secured to the
Handle shall include a steel hinged drive tang attached shank in such a manner that separation will not occur
to a fork. The hinged drive tang shall be suitable for under the pulling load specified in Table 10-4. The han-
operation at an angle within a range of 90 deg in either dle grip shall be made of a durable and comfortable
direction from the longitudinal axis of the handle. The material. The handle shall be free from rough edges,
handle shall be provided with a tension device, which sharp corners, or tool marks. Handles shall conform to
will hold the drive tang against gravity. The free end Table 10-4.
of the handle may have a transverse hole suitable for 10-2.1.4 Class 4, T-Handle, Sliding (Illustration in
accommodating a slide rod. The hinge pin shall not Table 10-5). Handle shall consist of a socket holder
extend beyond the periphery (or flat of the fork) by more and a steel rod. The socket holder shall have a transverse
than 0.031 in. Handle shall conform to Table 10-1 and tool to accommodate the rod and form a T- or L-handle
pass the pin removal test in para. 10-3.9. tool. The socket holder shall have means to be secured
10-2.1.2 Class 2, Ratchet, Reversible (Illustration in at any desired point on the rod. Each end of the rod
Table 10-2). Handle shall be either gear head or clutch shall have a steel ball staked in place, or other means
type and shall include a head for housing a ratchet of preventing the socket holder from sliding off, except
mechanism and a drive tang. The horizontal or side that this shall not be accomplished by flattening or
movement and vertical or up and down movement of crimping the ends of the bar. Sliding rod on 3⁄4 in. drive
the tang shall be held within the limits of Table 10-2. and 1 in. drive may have the retaining feature on one
Ratcheting action shall be attained by means of a com- end only. Handle shall conform to Table 10-5.
pletely enclosed gear having hardened teeth engaging
10-2.2 Design, Type II, Attachments
a hardened pawl or pawls or by means of a completely
enclosed clutch mechanism. Ratcheting action shall be 10-2.2.1 Class 1, Universal Joint (Illustration in
reversible by manual movement of a shifting lever, but- Table 10-6). Attachment shall consist of a square exter-
ton, or knob that permits ratcheting operation of the nal tang and a square internal socket, permanently
drive tang in either direction of rotation. The ratcheting attached to each other or to an intermediate member in
mechanism shall withstand the reverse torque of a manner so as to form a universal type of joint. The

40
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

universal joint shall be provided with a tension device slippage of the drive tang endwise from the socket. The
that shall hold the socket end relative to the drive end T-handle shall be tested with the external drive tang at
in any set position against gravity. It shall be capable of one end of the bar.
rotation in a complete circle when the angular deviation
of either end member from the common centerline is 10-3.3 Speeder Handles
30 deg minimum. Hinge pins shall not extend beyond
Brace type speeders shall be tested by inserting the
the periphery of the universal joint for more than
external drive tang into the internal mandrel and sup-
0.031 in. Attachment shall conform to Table 10-6 and
porting the end handle in line with the drive end. The
pass the pin removal test in para. 10-3.9.
load shall be applied to the crank centrally between the
10-2.2.2 Class 2, Extension Bar. Attachment shall throws. The lever arm shall be the throw of the crank
have a square internal socket at one end and an external as measured by the distance between the center of the
drive tang at the opposite end. offset and the center of the body of the tool. The load
(a) Style A, Solid (Illustration in Table 10-7). Attach- in pounds that is applied shall be calculated from the
ment shall conform to Table 10-7. throw so as to produce the required torque. Spin type
(b) Style B, Flexible (Illustration in Table 10-8). Attach- speeders shall be tested by inserting the external drive
ment shall be capable of bending 90 deg and returning tang into the internal mandrel, with the handle gripped
to within 5 deg of original alignment when released. in the jaws of a chuck to which the proof torque is
Attachment shall be capable of sustaining the proof applied.
torque (without permanent deformation) in both clock-
wise and counterclockwise directions and shall conform 10-3.4 Hinged Handles
to Table 10-8. The requirements of para. 10-2.3 do not Torque tests shall be made with the tang perpendicu-
apply to these tools. lar to the axis of the handle.
10-2.2.3 Class 3, Adaptor
10-3.5 Reverse Torque, Ratcheting, Type I, Class 2
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

(a) Style A, Socket Wrench (Illustration in Table 10-9).

Attachment shall have an external square drive tang at Handle, Ratchet, Reversible; and Type II,
one end and an internal square socket at the other end. Class 3, Style B, Attachment, Adaptor,
Attachment shall conform to Table 10-9. Ratchet, Socket Wrench
(b) Style B, Ratchet (Illustration in Table 10-10). Attach- A torque shall be applied to ratchets and ratcheting
ment shall have a square external drive tang at one end adaptors to determine conformance with the reverse
and a square internal socket on the other end. The ratchet torque ratcheting torsional moment requirement of
mechanism shall be the reversible type permitting ratch- Tables 10-2 and 10-10, respectively. Before applying the
eting operation of the drive tang in either direction and torque, the ratchet mechanism should be revolved sev-
shall be completely enclosed. Attachment shall conform eral times by hand.
to Table 10-10.
10-3.6 Drop Test, Type I, Class 2, Ratchet, Reversible
10-2.3 Hardness
The ratchet handle shall be dropped on concrete
Unless otherwise specified, drive tang and internal
twelve times from a height of 6 ft, of which the shifter
square of handles and attachments shall be hardened
shall strike first on concrete at least twice. After this
throughout from 38 HRC to 60 HRC.
test, all component parts shall remain properly assem-
bled, and the ratchet mechanism shall work
10-3 TESTS satisfactorily.
10-3.1 Adaptor Attachments
10-3.7 Thrust Load Test
Adaptor tests shall be made in the manner specified
A load, as specified in Table 10-3, shall be applied to
in para. 5.2, except that the external drive tang shall be
the knob toward the drive square. During application
inserted in an internal socket and secured in a mandrel.
of load, the speeder shall be rotated two full revolutions.
10-3.2 T-, Sliding, and Ratchet Handles After removal of the load, the knob shall operate freely
without binding.
The external drive tang shall be inserted into an inter-
nal mandrel. The pawl of the ratchet shall be engaged
10-3.8 Pull Test
with the teeth of the gear by a normal rotation of the
handle without the need of manual adjustment of the A load, as specified in Table 10-3, shall be applied to
ratcheting mechanism for seating. The load shall be the knob away from the drive square. Load shall be
applied near the free end of the handle after a stop has applied for a minimum of 10 sec. After removal of load,
been set at the outer end of the driving head to prevent the knob shall operate freely without binding.

41
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ASME B107.110-2012

10-3.9 Pin Removal Test specified in Table 10-2. Cycle test shall be carried out in
one direction and shall be run at a frequency not
Pin retention shall be tested in a device capable of
exceeding 60 load cycles per minute (i.e., 1.0 Hz maxi-
applying force to the pin. The pin shall not move
mum). The ratchet shall advance by minimum one tooth
under load.
on each cycle. Care must be taken during the cycle test
to ensure the square drive is loaded to the specified
10-3.10 Cycle Test
cycle test load, but does not impose shock load on the
The applied torque for cycle testing shall be as speci- any portion of the ratchet. Following the cycle test, the
fied in Table 10-2, i.e., 20% of the proof torque specified ratchet handle shall carry the proof load specified in
in this table. Ratchet mechanism shall withstand mini- Table 10-2 without jamming or other evidence of
mum of 50,000 cycles using the cycle test torque as malfunction.
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Table 10-1 Type I, Class 1, Handles, Hinged

Handgrip Maximum
Maximum Shank Handle Minimum
Overall Dimension Minimum [Note (2)] Force
Length, in. Across Hinge Minimum Diameter Minimum Proof (Cross-Section Required for
[Note (1)]
(Fork Width), Length, or Width, Torque, or Diameter), Removal of
Drive Size, in. Min. Max. in. in. in. lbf-in. in. Hinge Pins, lb
1
⁄4 4.875 6 0.625 1.5 0.375 400 0.562 80
3
⁄8 7 10 0.875 2.25 0.5 1,200 0.781 250
1
⁄2 9 24 1.187 3 0.687 4,000 0.906 400
3
⁄4 17.75 ... 1.781 3.5 0.75 9,000 1.25 1,000
1 22 ... 2.25 3.5 0.812 15,000 1.25 1,500

NOTES:
(1) This measurement shall be taken with tang perpendicular to the handle (see illustration).
(2) This measurement shall be taken at the midpoint of the handle’s overall length.

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Copyright ASME International
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No reproduction or networking permitted without license from IHS
Table 10-2 Type I, Class 2, Handles, Ratchet, Reversible

Head Dimensions
Maximum Maximum Maximum Maximum Maximum

43
Head Minimum Horizontal or Vertical or Up Reverse Torque Shank Handle Minimum
Thickness Handgrip Minimum Side and Down Ratcheting Starting (Diameter or Cycle Test
Minimum Less Tang and Thickness or Gearhead Movement of Movement of (Torsional Moment for Minimum Cross- Torque,
ASME B107.110-2012

Overall Maximum Reverse Lever, Diameter, Number of Tang in Tang in Each Tooth of Gear), Proof Torque, Section) lbf-in.
Drive Size, in. Length, in. Width, in. in. in. Teeth in Gear Handle, in. Handle, in. ozf-in. lbf-in. [Note (1)] [Note (2)]
1
⁄4 4.375 1.125 0.593 0.281 18 0.012 0.02 10 450 0.562 90
3
⁄8 5.750 1.875 0.875 0.500 18 0.014 0.02 25 1,800 0.781 360
1
⁄2 9.500 1.937 1.000 0.500 24 0.014 0.028 50 4,500 0.906 900

Not for Resale, 06/26/2013 17:47:32 MDT

3
⁄4 17.000 2.875 1.375 0.750 24 0.014 0.034 200 12,000 1.562 2,400
1 20.000 3.875 1.750 0.750 24 0.014 0.034 300 22,000 1.687 4,400

NOTES:
(1) This measurement shall be taken at the midpoint of the handle’s overall length.

Licensee=University of Texas Revised Sub Account/5620001114

(2) Cycle test torque is 20% of proof torque.

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
ASME B107.110-2012

Table 10-3 Type I, Class 3, Style A, Handles, Speeder, Brace Type, Single Revolving Handgrip

C
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Minimum
Minimum Minimum Minimum Proof Torque Minimum Minimum
Maximum Overall Length, Radius of Length Thrust Load Offset Handle End Grip Grip
Drive Size, Diameter in.
Crank Sweep, Extension, A, End Grip, Rotating Direction, Removal Pull Length,
in. of Rod, in. Min. Max. C, in. in. lb lbf-in. Test, lb B, in.
1
⁄4 0.437 12 16.5 2.500 5.0 50 140 50 2.50
3
⁄8 0.500 14 18.0 2.875 5.0 100 475 50 2.50
1
⁄2 0.562 16 20.0 3.375 5.5 125 700 50 3.25

Table 10-4 Type I, Class 3, Style B, Handles, Speeder, Spin Type, Screwdriver Grip

Minimum
Length of Shank Handle Minimum
Handle Length, in. Diameter, in.
Beyond Handle, Pull Load on Shank, Minimum
Drive Size, in. in. Min. Max. Min. Max. lb Torque, lbf-in.
1
⁄4 1.87 2.63 4 0.88 1.27 50 90

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ASME B107.110-2012

Table 10-5 Type I, Class 4, Handles, T, Sliding

Sliding Rod Maximum

Socket Holder Minimum
Diameter, in. Length, in.
Overall Proof Torque,
Drive Size, in. Min. Max. Min. Max. Length, in. lbf-in.
1
⁄4 0.230 0.313 4 5 1.093 400
3
⁄8 0.355 0.438 6 8 1.375 1,000
1
⁄2 0.480 0.625 9 13 1.750 2,500
3
⁄4 0.730 0.875 17 20 2.500 9,000
1 0.855 1.125 20 32 3.500 15,000

Table 10-6 Type II, Class 1, Attachments, Universal Joint

Maximum Minimum Minimum

Overall Maximum Proof Torque, Force Required for Removal of
Drive Size, in. Length, in. Diameter, in. lbf-in. Hinge Pins, lb
1
⁄4 1.50 0.59 250 80
3
⁄8 2.25 0.79 750 250
1
⁄2 2.88 1.01 1,750 400
3
⁄4 4.25 1.63 4,000 1,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
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ASME B107.110-2012

Table 10-7 Type II, Class 2, Style A, Attachments, Extension Bar, Solid

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
Nominal Maximum Overall Length, Minimum
Length, Shank Diameter, in. Proof Torque,
Drive Size, in. in. in. Min. Max. lbf-in.
1
⁄4 1 0.343 1.0 1.5 500
1
⁄4 2 0.343 1.5 2.5 500
1
⁄4 3 0.343 2.5 3.5 500
1
⁄4 4 0.343 3.5 4.5 500
1
⁄4 6 0.343 5.5 6.5 500
1
⁄4 10 0.343 9.5 10.5 500
1
⁄4 14 0.343 13.5 14.5 500
1
⁄4 17 0.343 16.5 17.5 500

3
⁄8 1 0.500 1.0 1.5 1,200
3
⁄8 2 0.500 1.5 2.5 1,200
3
⁄8 3 0.500 2.5 3.5 1,200
3
⁄8 5 0.500 4.5 5.5 1,200
3
⁄8 6 0.500 5.5 6.5 1,200
3
⁄8 8 0.500 7.5 8.5 1,200
3
⁄8 9 0.500 8.5 9.5 1,200
3
⁄8 10 0.500 9.5 10.5 1,200
3
⁄8 11 0.500 10.5 11.5 1,200
3
⁄8 12 0.500 11.5 12.5 1,200
3
⁄8 18 0.500 17.0 19.0 1,200
3
⁄8 20 0.500 19.0 21.0 1,200
3
⁄8 24 0.500 23.0 25.0 1,200
3
⁄8 34 0.500 33.0 35.0 1,200

1
⁄2 2 0.656 1.5 3.0 3,500
1
⁄2 3 0.656 2.5 3.5 3,500
1
⁄2 5 0.656 4.5 6.0 3,500
1
⁄2 6 0.656 5.5 6.5 3,500
1
⁄2 10 0.656 9.5 10.5 3,500
1
⁄2 15 0.656 14.5 15.5 3,500
1
⁄2 20 0.656 19.0 21.0 3,500
1
⁄2 24 0.656 23.0 25.0 3,500
1
⁄2 30 0.656 29.0 31.0 3,500
1
⁄2 34 0.656 33.0 35.0 3,500
1
⁄2 36 0.656 35.0 37.0 3,500
1
⁄2 48 0.656 46.0 50.0 3,500

3
⁄4 3 1.000 2.5 3.5 9,000
3
⁄4 5 1.000 4.5 5.5 9,000
3
⁄4 8 1.000 7.5 8.5 9,000
3
⁄4 16 1.000 15.0 17.0 9,000

1 8 1.375 7.5 8.5 15,000

1 17 1.375 16.0 18.0 15,000

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ASME B107.110-2012

Table 10-8 Type II, Class 2, Style B,

Attachments, Extension Bar, Flexible

Overall Length, in.

Minimum
Drive Size, in. Min. Max. Proof Torque, lbf-in.
1
⁄4 3.5 4.5 25
1
⁄4 5.5 6.5 25
1
⁄4 7.5 8.5 35

Table 10-9 Type II, Class 3, Style A, Attachments, Adaptor, Socket Wrench

Drive Size, in. Maximum Minimum

External Internal Overall Length, in. Outside Diameter, Proof Torque,
Drive Tang Drive Tang Min. Max. in. lbf-in.
3 1
⁄8 ⁄4 0.625 1.000 0.625 450
1 3
⁄4 ⁄8 0.625 1.125 0.687 450
1 3
⁄2 ⁄8 1.093 1.500 0.875 2,000
3 1
⁄8 ⁄2 1.250 1.500 1.000 2,000
3 1
⁄4 ⁄2 1.500 1.937 1.125 4,500
1 3
⁄2 ⁄4 1.687 2.125 1.500 4,500
3
⁄4 1 2.250 2.875 2.000 14,000
3
1 ⁄4 2.000 2.625 1.500 14,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
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ASME B107.110-2012

Table 10-10 Type II, Class 3, Style B, Attachments, Adaptor, Ratchet

Maximum
Reverse Torque Ratcheting
Maximum Maximum Minimum Starting (Torsional Minimum
Outside Diameter Overall Number of Moment for Each Tooth Proof Torque,
Drive Size, in. Socket End, in. Length, in. Teeth in Gear of Gear), in.-oz lbf-in.
1
⁄4 1.125 2.000 18 10 450
3
⁄8 1.437 2.125 18 25 1,500
1
⁄2 1.750 3.000 18 60 4,000
3
⁄4 2.625 4.000 18 120 7,500
1 3.500 5.125 18 300 15,000
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,

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ASME B107.110-2012

Category 12
Nutdrivers

12-1 CLASSIFICATION 12-2.1.4 Type III: Miniature Handle. Type III nut-
drivers shall consist of a round steel shaft with a socket
Type I: conventional length
at one end and a handle at the other end. A bolt clearance
Class 1: solid shaft
hole shall be provided in the shaft socket end. The nut-
Style A: conventional handle
driver shall be similar to Fig. 12-4 and conform to
Style B: cushion grip handle Table 12-4 or 12-4M for the size specified. Handle and/
Class 2: hollow shaft or shaft shall be color-coded.
Style A: conventional handle
Style B: cushion grip handle 12-2.2 Handles
Type II: stubby length
Style A: conventional handle 12-2.2.1 Color Coding. Color coding is optional.
Style B: cushion grip handle When color coding is used, Style A nutdrivers shall have
Type III: miniature handle handles and/or shafts color-coded in accordance with
the following:
12-2 PERFORMANCE REQUIREMENTS Socket Opening
Nominal Size, in. Color
12-2.1 Design
5
⁄64 Amber or yellow
12-2.1.1 Type I, Class 1: Conventional Length — Solid 3
⁄32 Blue
Shaft. Type I, Class 1 nutdrivers shall consist of a round 7
⁄64 Brown
steel solid shaft with a socket at one end and a handle 1
⁄8 Red
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

at the other end. The nutdrivers shall be similar to 5

⁄32 Amber or yellow
Fig. 12-1 and conform to Table 12-1 or 12-1M for the 3
⁄16 Black
size specified. Style A nutdrivers shall be provided with 7
⁄32 Brown
1
a conventional color-coded handle and/or shaft. Style B ⁄4 Red
9
nutdrivers shall be provided with a cushion grip handle ⁄32 Orange
5
and need not be color-coded. ⁄16 Amber or yellow
11
⁄32 Green
12-2.1.2 Type I, Class 2: Conventional Length — 3
⁄8 Blue
7
Hollow Shaft. Type I, Class 2 nutdrivers shall consist ⁄16 Brown
1
of a round steel hollow shaft with a socket at one end ⁄2 Red
9
and a handle at the other end. The nutdrivers shall be ⁄16 and larger Optional
similar to Fig. 12-2 and conform to Table 12-2 or 12-2M
for the size specified. The minimum hole depth for hol- Socket Opening
low shaft nutdrivers shall be dimension F in Fig. 12-2. Nominal Size, mm Color
Style A nutdrivers shall be provided with a conventional
color-coded handle and/or shaft. Style B nutdrivers 2 Amber or yellow
3 Blue
shall be provided with a cushion grip handle and need
3.2 Brown
not be color-coded.
4 Red
12-2.1.3 Type II: Stubby Length. Type II nutdrivers 4.5 Amber or yellow
shall consist of round steel shaft with socket at one end 5 Black
and a handle at the other end. A bolt clearance hole 5.5 Brown
6 Red
shall be provided in the shaft of the socket end. The
7 Orange
nutdriver shall be similar to Fig. 12-3 and conform to
8 Amber or yellow
Table 12-3 or 12-3M for the size specified. Style A nut- 9 Green
drivers shall be provided with a conventional color- 10 Blue
coded handle and/or shaft. Style B nutdrivers shall be 11 Brown
provided with a cushion grip handle and need not be 12 Red
color-coded. 13 and larger Optional

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ASME B107.110-2012

12-2.2.2 Handle Shape and Finish. Handles shall Table 12-5 or 12-5M. Proof load test speed shall not be
be suitably shaped and finished to provide a comfortable less than 15 deg per minute or faster than 30 deg per
grip. They shall be free from rough edges, sharp corners, minute after the loading has reached more than 50% of
or tool marks that affect the appearance and comfort of the tested load. The handle may be gripped in the area
the tool. They shall meet the dimensional requirements beyond the insertion distance of the socket shaft by
specified in the applicable tables. suitable means. It shall be permissible to support the
handle in order to maintain the tool in a suitable position
12-2.2.3 Handle With Internal Drive. When speci-
for testing, provided the supporting means does not
fied, handles shall be provided with a 1⁄4 in. (6.3 mm)
exert pressure end-wise during testing. Any cracking,
or 3⁄8 in. (10 mm) square internal drive opening. Square
failure of the socket opening to conform to the gaging
drive dimensions and tolerances shall be in accordance
requirement, or failure to sustain the proof torque for
with ASME B107.4. The drive shall be flush with the
the prescribed time shall constitute failure. When tested
butt end of the handle. The drive shall be capable of
to the minimum assembly torque value specified, the
meeting the same torsional load requirements as set
assembly shall not show a permanent slippage between
forth for the socket end contained herein. A square exter-
the shaft and handle.
nal drive tang in accordance with ASME B107.4 shall
be used for the test mandrel. 12-3.2 Bending Moment Test
12-2.2.4 Cushion Grip. Style B nutdriver handles Test shall be conducted in a manner similar to that
shall be furnished with cushion grips. The grip material shown in Fig. 12-6. Test mandrels shall conform to
shall be capable of meeting the handle solvent test as ASME B107.17. The socket of the tool shall be inserted
specified in para. 12-3.3. The length of the cushion grip over the mandrel to the depth specified in Table 12-5 or
shall be at least 60% of the handle length, and there 12-5M. A force of such magnitude to create the bending
shall be no detectable slippage between the handle and moment specified in the applicable table shall be applied
the cushion grip under normal usage. The original hard- at or near the middle of the natural grip of the handle
ness shall be Shore A50 to A75 when tested in accordance for a minimum of 10 sec. The force is to act perpendicular
with ASTM D2240, and the hardness after the solvent to the axis of the tool. The tool shall not crack, break,
test shall not be greater than Shore A80. or show any signs of visible permanent set or looseness
WARNING: Cushion grips are not intended to give any degree in the handle. The test shall be conducted at room
of protection against electric shock and shall not be used on or temperature.
near live electrical circuits.
12-3.3 Solvent Tests
12-3 TESTS Nutdrivers shall be capable of meeting the following
test requirements. Handles are to be fully immersed in
12-3.1 Torsional Moment Test motor vehicle brake fluid (SAE J1703), gasoline, ethylene
Test shall be conducted in a manner similar to that glycol, and ethyl alcohol for 15 min at room temperature,
shown in Fig. 12-5. Test mandrels shall conform to removed, wiped off, and allowed to stand for 24 hr. A
ASME B107.17. The socket openings shall be gaged prior new assembly shall be used for each of the test liquids.
to testing. The tests shall be conducted after preheating There shall be no permanent swelling, surface attack
the entire tool to a uniform temperature of 125°F (except for manufacturer ’s identification or paint
(57.7°C), and the torque specified in the applicable table removal), or degradation of the ability to meet applicable
shall be applied within 1 min after removing the tool performance requirements contained herein. The handle
from the heating medium. The socket of the tool shall hardness after testing shall not be greater than Shore A80
be inserted over the mandrel to the depth specified in when tested in accordance with ASTM D2240.

50
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Fig. 12-1 Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid Shaft

H C

B D

E G

A F J

Table 12-1 Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid Shaft
Maximum Minimum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum Bending
Socket Outside Shaft Outside Hex Shaft Hole Depth of Handle Proof Moment
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Hole, Length, Torque, Test Load,
A, in. B, in. C, in. D, in. E, in. F, in. G, in. H, in. J, in. lbf-in. lbf-in.
5
⁄32 0.335 0.32 0.87 0.18 2.81 0.100 1.00 3.12 50 45
3
⁄16 0.385 0.32 0.87 0.18 2.81 0.105 1.00 3.12 75 60
7
⁄32 0.400 0.32 0.87 0.18 2.81 0.115 1.00 3.12 75 60
1
⁄4 0.450 0.38 0.87 0.18 2.81 0.118 1.00 3.12 100 90
9
⁄32 0.475 0.38 0.87 0.18 2.81 0.129 1.00 3.12 100 90
5
⁄16 0.510 0.38 0.87 0.21 2.81 0.141 1.00 3.12 125 105
11
⁄32 0.545 0.38 0.87 0.25 2.81 0.170 1.00 3.12 125 105
3
⁄8 0.585 0.45 0.87 0.25 2.81 0.196 1.00 3.12 150 120
7
⁄16 0.660 0.45 1.00 0.28 2.81 0.265 1.00 3.50 150 145
1
⁄2 0.720 0.51 1.00 0.31 2.81 0.321 1.00 3.50 175 175
9
⁄16 0.814 0.57 1.06 0.43 2.87 0.386 1.00 3.62 175 260
5
⁄8 0.892 0.63 1.06 0.43 2.87 0.445 1.00 3.62 200 300
11
⁄16 0.952 0.70 1.12 0.43 3.87 0.445 1.00 3.62 250 375
3
⁄4 1.054 0.70 1.12 0.43 3.87 0.505 1.00 4.00 250 375
13
⁄16 1.108 0.70 1.12 0.43 3.87 0.567 1.00 4.00 250 375
7
⁄8 1.201 0.70 1.12 0.43 3.87 0.567 1.00 4.00 250 375

Table 12-1M Type I, Class 1, Styles A and B: Conventional Length Nutdriver With Solid Shaft
Maximum Minimum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum Bending
Socket Outside Shaft Outside Hex Shaft Hole Depth of Handle Proof Moment
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Hole, Length, Torque, Test Load,
A, mm B, mm C, mm D, mm E, mm F, mm G, mm H, mm J, mm N·m N·m

4 8.5 8.1 22 2.4 70 2.2 25 79 8 7

4.5 9.7 8.1 22 2.6 70 2.5 25 79 8 8
5 9.7 9.5 22 2.8 70 2.9 25 79 9 8
5.5 10.2 9.5 22 2.8 70 3.3 25 79 11 9
6 10.8 9.5 22 3.1 70 3.6 25 79 11 11
7 12.1 9.5 22 3.6 70 4.2 25 79 11 12
8 13.0 10.2 22 3.6 70 5.2 25 79 11 14
9 13.8 11.8 22 4.1 70 5.3 25 79 13 15
10 15.6 11.8 25 4.6 70 6.3 25 88 16 18
11 16.8 13.4 25 5.5 70 7.3 25 88 20 22
12 17.5 15 25 6.1 70 8.3 25 88 23 26
13 18.5 15 25 6.1 70 8.3 25 88 24 32
14 20.6 16.8 27 6.1 70 10.1 25 92 25 39
16 22.7 16.8 27 7.0 70 11.1 25 92 26 45
17 23.6 16.8 27 8.0 70 11.7 25 92 31 49
18 24.5 16.8 27 9.0 70 12.2 25 92 34 56

51
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Fig. 12-2 Type I, Class 2: Styles A and B: Conventional Length Nutdriver With Hollow Shaft
C

B D

G
E
A
F J

Table 12-2 Type I, Class 2, Styles A and B: Conventional Length Nutdriver With Hollow Shaft
Maximum Minimum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Bending
Socket Diameter Shaft Outside Hex Shaft Hole Handle Proof Moment
Opening, Outside, Diameter, Diameter, Depth, Length, Diameter, Length, Torque, Test Load,
A, in. B, in. C, in. D, in. E, in. F, in. G, in. J, in. lbf-in. lbf-in.
5
⁄32 0.335 0.32 0.87 0.18 2.81 0.100 3.12 50 45
3
⁄16 0.385 0.32 0.87 0.18 2.81 0.105 3.12 55 50
7
⁄32 0.400 0.32 0.87 0.18 2.81 0.115 3.12 75 60
1
⁄4 0.450 0.38 0.87 0.18 2.81 0.118 3.12 75 75
9
⁄32 0.475 0.38 0.87 0.18 2.81 0.129 3.12 75 80
5
⁄16 0.510 0.38 0.87 0.21 2.81 0.141 3.12 75 90
11
⁄32 0.545 0.38 0.87 0.25 2.81 0.170 3.12 85 95
3
⁄8 0.585 0.45 0.87 0.25 2.81 0.196 3.12 95 110
7
⁄16 0.660 0.45 1.00 0.28 2.81 0.265 3.50 135 145
1
⁄2 0.720 0.51 1.00 0.31 2.81 0.321 3.50 150 200
9
⁄16 0.814 0.57 1.06 0.43 2.87 0.386 3.62 160 260
5
⁄8 0.892 0.63 1.06 0.43 2.87 0.445 3.62 175 300
11
⁄16 0.952 0.70 1.12 0.43 3.87 0.445 3.62 225 375
3
⁄4 1.054 0.70 1.12 0.43 3.87 0.505 4.00 225 375
13
⁄16 1.108 0.70 1.12 0.43 3.87 0.567 4.00 225 375
7
⁄8 1.201 0.70 1.12 0.43 3.87 0.567 4.00 225 375

Table 12-2M Type I, Class 2, Styles A and B: Conventional Length Nutdriver With Hollow Shaft
Maximum Minimum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Bending
Socket Outside Shaft Outside Hex Shaft Hole Handle Proof Moment
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Length, Torque, Test Load,
A, mm B, mm C, mm D, mm E, mm F, mm G, mm J, mm N·m N·m

4 8.5 8.1 22 2.4 70 2.2 79 8 7

4.5 9.7 8.1 22 2.6 70 2.5 79 8 8
5 9.7 9.5 22 2.8 70 2.9 79 9 8
5.5 10.2 9.5 22 2.8 70 3.3 79 11 9
6 10.8 9.5 22 3.1 70 3.6 79 11 11
7 12.1 9.5 22 3.6 70 4.2 79 11 12
8 13.0 10.2 22 3.6 70 5.2 79 11 14
9 13.8 11.8 22 4.1 70 5.3 79 13 15
10 15.6 11.8 25 4.6 70 6.3 88 16 18
11 16.8 13.4 25 5.5 70 7.3 88 20 22
12 17.5 15.0 25 6.1 70 8.3 88 23 26
13 18.5 15.0 25 6.1 70 8.3 88 24 32
14 20.6 16.8 27 6.1 70 10.1 92 25 39
16 22.7 16.8 27 7.0 70 11.1 92 26 45
17 23.6 16.8 27 8.0 70 11.7 92 31 49
18 24.5 16.8 27 9.0 70 12.2 92 34 56

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
52
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ASME B107.110-2012

Fig. 12-3 Type II, Styles A and B: Stubby Length Nutdriver

H
G C

B D

E
A
F J

Table 12-3 Type II, Styles A and B: Stubby Length Nutdriver

Minimum
Maximum Minimum Bending
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum Moment
Socket Outside Shaft Outside Hex Shaft Hole Depth Handle Proof Test
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, of Hole, Length, Torque, Load,
A, in. B, in. C, in. D, in. E, in. F, in. G, in. H, in. J, in. lbf-in. lbf-in.
5
⁄32 0.335 0.32 1.06 0.18 1.12 0.100 0.87 1.62 50 45
3
⁄16 0.385 0.32 1.06 0.18 1.12 0.105 0.87 1.62 75 60
7
⁄32 0.400 0.32 1.06 0.18 1.12 0.115 0.87 1.62 75 60
1
⁄4 0.450 0.38 1.06 0.18 1.12 0.118 0.87 1.62 100 90

9
⁄32 0.475 0.38 1.06 0.18 1.12 0.129 0.87 1.62 100 90
5
⁄16 0.510 0.38 1.06 0.21 1.12 0.141 0.87 1.62 125 105
11
⁄32 0.545 0.38 1.06 0.25 1.12 0.170 0.87 1.62 125 105
3
⁄8 0.585 0.45 1.06 0.25 1.12 0.196 0.87 1.62 150 120

7
⁄16 0.660 0.45 1.06 0.28 1.12 0.265 0.87 1.62 150 145
1
⁄2 0.720 0.51 1.06 0.31 1.12 0.321 0.87 1.62 175 175
9
⁄16 0.814 0.57 1.06 0.43 1.12 0.386 0.87 1.62 175 260
5
⁄8 0.892 0.63 1.06 0.43 1.12 0.445 0.87 1.62 200 300

Table 12-3M Type II, Styles A and B: Stubby Length Nutdriver

Minimum
Maximum Minimum Bending
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum Moment
Socket Outside Shaft Outside Hex Shaft Hole Depth of Handle Proof Test
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Hole, Length, Torque, Load,
A, mm B, mm C, mm D, mm E, mm F, mm G, mm H, mm J, mm N·m N·m

4 8.5 8.1 27 2.4 28 2.2 22 41 8 7

4.5 9.7 8.1 27 2.6 28 2.5 22 41 8 8
5 9.7 9.5 27 2.8 28 2.9 22 41 9 8

5.5 10.2 9.5 27 2.8 28 3.3 22 41 11 9

6 10.8 9.5 27 3.1 28 3.6 22 41 11 11
7 12.1 9.5 27 3.6 28 4.2 22 41 11 12

8 13.0 10.2 27 3.6 28 5.2 22 41 11 14

9 13.8 11.8 27 4.1 28 5.3 22 41 13 15
10 15.6 11.8 27 4.6 28 6.3 22 41 16 18

53
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

Copyright ASME International

Fig. 12-4 Type III: Miniature Handle Nutdriver

H
G C

B D

E
A
F J

Table 12-4 Type III: Miniature Handle Nutdriver

Maximum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum
Socket Outside Shaft Outside Hex Shaft Hole Depth of Handle Proof
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Hole, Length, Torque,
A, in. B, in. C, in. D, in. E, in. F, in. G, in. H, in. J, in. lbf-in.
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

5
⁄64 0.193 0.20 0.50 0.07 1.18 0.050 0.25 2.18 6
3
⁄32 0.193 0.20 0.50 0.09 1.18 0.063 0.28 2.18 8
7
⁄64 0.255 0.26 0.50 0.10 1.18 0.075 0.31 2.18 10
1
⁄8 0.255 0.26 0.50 0.12 1.18 0.097 0.34 2.18 20
5
⁄32 0.335 0.32 0.50 0.15 1.18 0.100 0.78 2.18 30
3
⁄16 0.385 0.32 0.50 0.18 1.18 0.100 0.78 2.18 40
7
⁄32 0.400 0.32 0.50 0.18 1.18 0.115 0.78 2.18 40
1
⁄4 0.450 0.38 0.50 0.18 1.18 0.118 0.78 2.18 40
9
⁄32 0.475 0.38 0.50 0.18 1.18 0.129 0.78 2.18 40
5
⁄16 0.510 0.38 0.50 0.21 1.18 0.141 0.78 2.18 40
11
⁄32 0.545 0.38 0.50 0.25 1.18 0.170 0.78 2.18 40
3
⁄8 0.585 0.45 0.50 0.25 1.18 0.196 0.78 2.18 40
7
⁄16 0.660 0.45 0.50 0.28 1.18 0.265 0.78 2.18 40
1
⁄2 0.720 0.51 0.50 0.31 1.18 0.321 0.78 2.18 40
9
⁄16 0.814 0.57 0.50 0.43 1.18 0.386 0.78 2.18 40
5
⁄8 0.892 0.63 0.50 0.43 1.18 0.445 0.78 2.18 40

Table 12-4M Type III: Miniature Handle Nutdriver

Maximum Minimum
Nominal Socket Maximum Handle Minimum Minimum Minimum Minimum Minimum Minimum
Socket Outside Shaft Outside Hex Shaft Hole Depth of Handle Proof
Opening, Diameter, Diameter, Diameter, Depth, Length, Diameter, Hole, Length, Torque,
A, mm B, mm C, mm D, mm E, mm F, mm G, mm H, mm J, mm N·m

2 5.0 5.0 12 1.6 30 1.5 6 55 1

3 5.0 5.0 12 1.8 30 2.0 8 55 2
3.2 7.5 7.5 12 2.0 30 2.2 9 55 3
4 8.5 8.1 12 2.4 30 2.2 20 55 5
4.5 9.7 8.1 12 2.6 30 2.5 20 55 5
5 9.7 9.5 12 2.8 30 2.9 20 55 6
5.5 10.2 9.5 12 2.8 30 3.3 20 55 6
6 10.8 9.5 12 3.1 30 3.6 20 55 6
7 12.1 9.5 12 3.6 30 4.2 20 55 6
8 13.0 10.2 12 3.6 30 5.2 20 55 6
9 13.8 11.8 12 4.1 30 5.3 20 55 6
10 15.6 11.8 12 4.6 30 6.3 20 55 6

54
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ASME B107.110-2012

Fig. 12-5 Torsional Moment Test

C
D

Test mandrel

D ⫽ distance, in. (mm)

W ⫽ weight, lb (N)
C ⫽ a counterweight used to balance beam
D ⫻ W ⫽ in.-lb (N . m)

Digital
indicator

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
Load cell

Test mandrel

55
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ASME B107.110-2012

Table 12-5 Torsional Moment Test: Hexagonal Mandrel Dimensions and

Maximum Depth of Mandrel Insertion
Maximum
Minimum Depth of
Nominal Size Across Mandrel
of Wrench Across Flats Across Flats Tolerance Corners, Insertion,
Opening, in. Dimension Plus (+) Minus (−) in. in.
5
⁄64 0.078 0.001 0.002 0.0889 0.078
3
⁄32 0.094 0.001 0.002 0.1061 0.094
7
⁄64 0.109 0.001 0.002 0.1233 0.094
1
⁄8 0.125 0.001 0.002 0.1405 0.094
5
⁄32 0.156 0.001 0.002 0.1745 0.094
3
⁄16 0.188 0.001 0.002 0.2095 0.094
7
⁄32 0.219 0.001 0.002 0.2440 0.109
1
⁄4 0.250 0.001 0.002 0.2780 0.125
9
⁄32 0.281 0.001 0.002 0.3133 0.141
5
⁄16 0.313 0.001 0.002 0.3495 0.141
11
⁄32 0.344 0.001 0.002 0.3860 0.156
3
⁄8 0.375 0.001 0.002 0.4225 0.156
7
⁄16 0.438 0.001 0.002 0.4935 0.218
1
⁄2 0.500 0.001 0.003 0.5635 0.265
9
⁄16 0.563 0.001 0.003 0.6339 0.328
5
⁄8 0.625 0.001 0.003 0.7055 0.375
11
⁄16 0.688 0.001 0.003 0.7769 0.375
3
⁄4 0.750 0.001 0.003 0.8485 0.437

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
13
⁄16 0.813 0.001 0.003 0.9201 0.453
7
⁄8 0.875 0.001 0.003 0.9917 0.500

Table 12-5M Torsional Moment Test: Hexagonal Mandrel Dimensions and

Maximum Depth of Mandrel Insertion
Maximum
Nominal Size Minimum Depth of
of Wrench Across Mandrel
Opening, Across Flats Across Flats Tolerance
Corners, Insertion,
mm Dimension Plus (+) Minus (−) mm mm

2 2.00 0.025 0.050 2.22 2.4

3 3.00 0.025 0.050 3.34 2.4
3.2 3.20 0.025 0.050 3.57 2.4
4 4.00 0.025 0.050 4.46 2.4
4.5 4.50 0.025 0.050 5.10 2.4
5 5.00 0.025 0.050 5.58 2.6
5.5 5.50 0.025 0.050 6.13 2.8
6 6.00 0.025 0.050 6.68 3.0
7 7.00 0.025 0.050 7.79 3.6
8 8.00 0.025 0.050 8.95 3.8
9 9.00 0.025 0.050 10.11 4.0
10 10.00 0.025 0.050 11.27 5.0
11 11.00 0.025 0.050 12.40 5.7
12 12.00 0.025 0.050 13.53 6.4
13 13.00 0.025 0.076 14.67 7.1
14 14.00 0.025 0.076 15.80 9.5
16 16.00 0.025 0.076 18.06 9.6
17 17.00 0.025 0.076 19.20 9.6
18 18.00 0.025 0.076 20.35 10.5

56
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ASME B107.110-2012

Fig. 12-6 Bending Moment Test

Test mandrel
D ⫽ distance, in. (mm)
W ⫽ weight, lb (N)
D1 ⫽ a stop point for the socket face equal
to 1/2 the mandrel insertion depth
D ⫻ W ⫽ in.-lb (N . m)

Digital
indicator
D1

Load cell

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`--- 57
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ASME B107.110-2012

Category 34
Spark Plug Socket Wrenches

34-1 CLASSIFICATION the respective tables. The minimum depth of the clear-
NOTE: See Fig. 34-1.
ance hole shall be of sufficient depth as to clear the
insulator section of the spark plug size for which it is
Type I: socket, single hexagon (6-point) intended. The diameter and depth of the clearance hole
Class 1: regular length may be included in the wrench opening area, if size and
Class 2: long length depth of the wrench opening are adequate to provide
Type II: universal socket, single hexagon (6-point) the clearance. A through hole between the drive square
Class 1: square block and the clearance hole may be provided.
Class 2: ball swivel
34-2.1.2 Retaining Device. A replaceable, oil-
resistant, and heat-resistant retaining bushing, or other
34-2 PERFORMANCE REQUIREMENTS equally suitable device shall be installed inside the
socket to avoid damaging the spark plug insulator and
34-2.1 Design
for aligning the spark plug for easy installation and
Sockets shall meet the requirements in Tables 34-1 removal. This bushing should be pliable and compress-
through 34-5 and shall provide the following features. ible to reduce side loading to the spark plug insulator.
34-2.1.1 Clearance Hole. An area shall be provided
for clearance of the insulator section of the spark plug. 34-2.2 Hardness
The diameter of the clearance hole shall be in accordance Sockets shall be heat treated to a hardness of 38 HRC
with that of the applicable size socket, as specified in to 54 HRC.

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

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ASME B107.110-2012

Fig. 34-1 Socket Wrenches for Spark Plugs

Retaining Clearance
device hole C D

(a) Type I, Class 1

Through
Retaining
hole C
device D

Knurled
section
A

(b) Type I, Class 2

Tension
device Hinge pin C
D

B2 B1

A
Intermediate member
(square block)
(c) Type II, Class 1

Tension
Hinge
device C
pin D

B2 B1

2.4 in. min.

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

(d) Type II, Class 2

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ASME B107.110-2012

Table 34-1 Type I, Class 1, Spark Plug Socket, Regular Length, Single Hexagon
Minimum Minimum
Depth of Diameter of Minimum
Maximum Maximum Opening Spark Plug Proof
Nominal Internal Drive Overall Outside Diameter, Nut End, Clearance Hole, Torque,
Opening, in. Square, in. Length, A, in. B, in. C, in. D, in. lbf-in.
5 3
⁄8 ⁄8 3.000 0.890 0.188 0.469 1,500
5 1
⁄8 ⁄2 3.000 0.890 0.188 0.469 1,500
3 3
⁄4 ⁄8 3.000 1.067 0.218 0.525 1,700
13 3
⁄16 ⁄8 3.000 1.080 0.218 0.680 1,800
13 1
⁄16 ⁄2 3.000 1.080 0.218 0.735 1,800
7 1
⁄8 ⁄2 3.650 1.218 0.250 0.813 1,900

Table 34-1M Type I, Class 1, Spark Plug Socket, Regular Length, Single Hexagon
Minimum Minimum
Maximum Depth of Diameter of Minimum
Internal Drive Overall Maximum Outside Opening Spark Plug Proof
Nominal Square, Length, Diameter, Nut End, Clearance Hole, Torque,
Opening, mm mm A, mm B, mm C, mm D, mm N·m

18.0 10.0 76.0 25.8 5.1 13.0 192

20.8 10.0 76.0 27.5 5.5 19.0 203

Table 34-2 Type I, Class 2, Spark Plug Socket, Long Length, Single Hexagon
Minimum Minimum
Depth of Diameter of Minimum
Internal Drive Minimum Maximum Outside Opening Spark Plug Proof
Nominal Square, Overall Diameter, B, Nut End, Clearance Hole, Torque,
Opening, in. in. Length, A, in. in. C, in. D, in. lbf-in.
5 3
⁄8 ⁄8 3.800 0.890 0.188 0.469 1,500
13 3
⁄16 ⁄8 5.750 1.080 0.218 0.680 1,800

Table 34-3 Type II, Class 1, Universal Spark Plug Socket, Square Block, Single Hexagon, 3⁄8 in. Drive
Minimum Minimum
Minimum Maximum Outside Maximum Outside Depth of Diameter of
Socket Diameter of Diameter of Opening Spark Plug Minimum
Nominal Length, Nut End, Drive End, Nut End, Clearance Hole, Proof Torque,
Opening, in. A, in. B1, in. B2, in. C, in. D, in. lbf-in.
5
⁄8 2.400 0.890 0.885 0.188 0.469 1,000
13
⁄16 2.400 1.080 0.885 0.218 0.735 1,000

--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---
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ASME B107.110-2012

Table 34-4 Type II, Class 2, Universal Spark Plug Socket, Ball Swivel, Single Hexagon, 3⁄8 in. Drive
Minimum Minimum
Minimum Maximum Outside Maximum Outside Depth of Diameter of
Overall Diameter Diameter Opening Spark Plug Minimum Proof
Nominal Length, of Nut End, of Drive End, Nut End, Clearance Hole, Torque,
Opening, in. A, in. B1, in. B2, in. C, in. D, in. lbf-in.
5
⁄8 3.400 0.890 1.000 0.188 0.469 1,500
13
⁄16 3.400 1.080 1.000 0.218 0.735 1,800

Table 34-5 Depth of Mandrel Insertion

Nominal Size of Maximum Depth of
Wrench Opening Mandrel Insertion
U.S. Customary Units (in.)
5
⁄8 0.188
3
⁄4 0.218
13
⁄16 0.218
7
⁄8 0.250
SI Units (mm)
18.0 5.50
20.8 5.50
--`,,,`,,``,```,,`,,`,,,,`,,,,`-`-`,,`,,`,`,,`---

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INTENTIONALLY LEFT BLANK

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Copyright ASME International

NONMANDATORY APPENDIX A
DESIGNATIONS

This Nonmandatory Appendix is provided to assist (3) Class

with specifying details needed to order the tools (4) Style
described in this Standard. Tools should be designated (5) Drive size(s)
by the following data in the sequence shown. (6) Finish
(a) Category 1, Hand Driven Socket Wrenches (d) Category 12, Nutdrivers
(1) Description, e.g., ASME B107.110, Category 1 (1) Description, e.g., ASME B107.110, Category 12
Hand Driven Socket Wrench Nutdriver
(2) Type (2) Type
(3) Drive size (3) Class
(4) Wrench nominal opening size and configuration (4) Style
(5) Finish (5) Socket-opening size
EXAMPLE: ASME B107.110, Category 1 Hand Driven Socket (6) Color-coding
Wrench, Type I, 1⁄4 in. drive size, 5⁄16 in. opening, single hexagon. (7) Options
(b) Category 2, Power Driven Socket Wrenches and EXAMPLE: ASME B107.110, Category 12 Nutdriver Type I,
Class 2, Style B, 1⁄4 in. opening, color-coded shaft, handle with
Attachments
internal drive.
(1) Description, e.g., ASME B107.110, Category 2
Power Driven Socket (e) Category 34, Spark Plug Socket Wrenches
(2) Type (1) Description, e.g., ASME B107.110, Category 34
(3) Drive size Spark Plug Socket Wrench
(4) Wrench opening size and configuration (when (2) Type
applicable) (c) Class
(5) Finish (4) Drive size
(c) Category 10, Handles and Attachments for Hand (e) Wrench opening size and configuration
Socket Wrenches (6) Finish
(1) Description, e.g., ASME B107.110, Category 10 EXAMPLE: ASME B107.110, Category 34 Spark Plug Socket
Flexible Extension Bar Wrench, Type I, Class 1, 3⁄8 in. drive, 5⁄8 in. opening, single hexagon,
(2) Type black oxide.

63
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