Eckel Tong Die Directive
Industry Leader in Make-Up / Break-Out Technology
Eckel Tong Die Directive
Industry Leader in Make-Up / Break-Out Technology
Rig Dies (Typically 1" and 1-1/4" wide) - Available in coarse tooth these dies are typically used for casing and drill
pipe where tool joint O.D. sizes vary from joint to joint. Rig dies are available with the following surface areas:
• Coarse Tooth Dies - Used on higher torque applications on carbon steel, hard band drill strings and drill collars.
• Coated Contour Grit Faced Dies - Used on chrome and fiberglass tubulars where reduced die penetration and die
marking is greatly desired. Available for any size upon request.
• Pencil Dies (Typically 5/8” wide) - Mainly used on tongs with smaller width heads, also when a more aggressive
grip on the tubular is required.
Wrap-Around Dies - Considered the best choice for thinner wall tubulars where point loading is a concern. Wrap-
Around Dies are symmetrically spaced from each other at all times insuring an equally distributed load on the tubular.
Having a larger gripping surface area allows more teeth to come in contact with the tubular. Wrap-Around Dies come in
any size to match tubing and casing tubulars and API coupling diameters. Wrap-Around dies are available with the fol-
lowing surface areas:
• Coarse Tooth Dies - Used on higher torque applications on carbon steel, hard band drill strings and drill collars.
• Pyramid Fine Tooth Dies - Used for slightly lower torque applications with chrome and fiberglass tubulars.
• Coated Grit Faced Dies - Used on chrome and fiberglass tubulars where reduced die penetration and die marking is
greatly desired.
Eckel Coated Grit Face Dies and Corrosion Resistant Alloy (CRA) Tubulars
Stress-corrosion Cracking - Industry experience has concluded that local surface hardened spots on tubulars are caused
from regular carbon steel contact, die penetration, compression or through other non-tong related impact damage. These
hardened spots are susceptible to embrittlement causing microscopic fractures known as stress-corrosion cracking (SCC).
SCC is cracking induced from the combined influences of tensile stress and corrosive environments that can eventually
lead to tubular failure. Some design specifications for chrome tubing indicate acceptable penetration of less than 5% of
the wall thickness while Eckel and numerous oil companies desire to alleviate all tubular penetration.
API Specification 5CT, eighth edition July 1, 2005 and ISO11960:2004 January 1st 2006 provides specifications for
tubulars including L-80 13% Cr.
8.13 External Defects - All surfaces of up upset and upset run-out interval cannot exceed a maximum depth of 5%
the wall thickness for Group 3, Group 4 and Grades C90 and T95 pipe while12.5% maximum depth of the wall
thickness for Group 1, Group except C90 and T95 pipe.
9.14.5 External Imperfections - Coupling imperfections cannot exceed a maximum depth of 0.10 inches on the
box end external surface and a maximum depth of 0.15 in. on the pin end internal surface.
Eckel Coated Grit Faced Dies - Eckel Manufacturing Co., Inc. Coated Grit Faced Dies
have set a NEW industry standard for handling CRA tubular goods. Eckel Coated Grit
Faced Dies utilizes Tungsten Carbide grit which provides many more points of contact on
the surface of the tubular than our Pyramid Fine Tooth dies. The Tungsten Carbide is a
dense, metal like substance that does not flake or sheer off the face of the die.
Heat Treating - Eckel’s Coated Grit Faced Dies are heat treated and do not
deform. This allows the die to be easily removed from the head after a job and
stored for future use.
Eckel’s Exceptional
Contamination - Die clogging is minimized when running painted or varnished Grit Surface Structure
tubulars.
Resilience - Field tests have shown that Eckel’s Grit Faced Dies last up to 3 times longer than other manu-
facturers grit faced dies.
Penetrations - Grit Faced Die penetrations are typically less than half of API allowable surface defect
depth.
Custom Sizes - Eckel Coated Grit Face dies are available for any model of Eckel tong.
Performance - Eckel Coated Grit Face dies perform better than any steel tooth die when running (SUPER
or HYPER) Chrome as these type tubulars are as hard or harder than heat treated steel dies.
Eckel Head and Die Types
Pyramid Tooth Coarse Tooth
Contour Coated Rig Dies
Tong Model Tong Head Die Type Wrap-Around Letter
Head Designation Designation
Type Tong Backup Wrap-Around Flat Rig Contour Contour Pencil Tong Backup Notes
Finetooth & 1" and Rig 1 Rig Grit 2 5/8"
Grit Face 1-1/4"
2-1/16 HS SLIDE SS SST 9 9 9 9 9 SS SST
3
3500 DTT HS SLIDE T TB 9 9 9 9 9 T T, TB
4
4-1/2 Hydra-Shift SLIDE L NNB 9 9 9 9 9 L NNB, L
4
4-1/2 UHT SLIDE L NNB 9 9 9 9 9 L NNB, L
5
5-1/2 Standard PIVOT H OTB 9 9 9 9 H OTB, P
6
5-1/2 UHT / UHT HS SLIDE WH WTB 9 9 9 9 Z ZTB, Z
5
5-1/2 Hydra-Shift LS SLIDE O OTB 9 9 9 9 P OTB, P
5
5-1/2 Hydra-Shift VS SLIDE O OTB 9 9 9 9 P OTB, P
6-3/4 DPT PIVOT Y - 9 9 - -
6
7-5/8 Standard PIVOT J ZTB 9 9 9 J ZTB, Z
6
7-5/8 Heavy Duty PIVOT JH MTB 9 9 9 JH ZTB, Z
870 DPT SLIDE C C 9 9 - -
6
8-5/8 Hydra-Shift HT SLIDE ZH ZHT 9 9 9 Z ZTB, Z
6
9-5/8 Hydra-Shift PIVOT KC KCB 9 9 9 KC ZTB, Z
10-3/4 Standard PIVOT E EB 9 9 9 S S
10-3/4 Heavy Duty PIVOT EH EHB 9 9 9 S S
13-3/8 Standard PIVOT S SB 9 9 9 S S
13-5/8 Heavy Duty PIVOT LL SB 9 9 9 S S
14 Hydra-Shift PIVOT GG GGB 9 9 9 GG GG
14 UHT PIVOT FH FHB 9 9 9 F F
14 Hydra-Shift HT PIVOT CD - 9 9 - -
17 Hydra-Shift PIVOT Q QB 9 9 9 Q Q
20 Standard PIVOT A AB 9 9 9 A A
20 UHT PIVOT B BB 9 9 9 B B
21 Hydra-Shift PIVOT HH HHB 9 9 9 HH HH
24 UHT PIVOT N - 9 9 H -
25 Hydra-Shift PIVOT DD - 9 9 9 DD -
30 Hydra-Shift PIVOT TT - 9 9 9 TT -
36 Hydra-Shift PIVOT V - 9 9 9 V -
36 UHT PIVOT V - 9 9 9 V -
1 Steel Tooth Contour Rig Dies available only in 2-1/16, 2-3/8, 2-7/8, 3-1/2 sizes. All other sizes use Flat Rig, Pencil Dies or Contour Grit Rig Dies.
2 Contour Grit Rig Dies sizes available in all sizes.
3 Dies larger than 3-1/2 use TB
4 Dies larger than 4-1/2 use L
5 Dies larger than 5” use P
6 Dies larger than 5-1/2” use Z
Eckel Manufacturing Co., Inc.
8035 North County Road West
Odessa, Texas 79764
Phone 432-362-4336, 800-654-4779
Fax 432-362-1827
