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SAE Drill and Tap Chart

The document is a comprehensive Thread Drill & Tap Chart that provides specifications for various machine screw sizes, including drill sizes for both tap drills and clearance holes. It includes detailed measurements for different materials such as aluminum, brass, stainless steel, and plastics. The chart is designed to assist in selecting the appropriate drill sizes for creating threads in different materials.

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chez ez
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© © All Rights Reserved
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400 views2 pages

SAE Drill and Tap Chart

The document is a comprehensive Thread Drill & Tap Chart that provides specifications for various machine screw sizes, including drill sizes for both tap drills and clearance holes. It includes detailed measurements for different materials such as aluminum, brass, stainless steel, and plastics. The chart is designed to assist in selecting the appropriate drill sizes for creating threads in different materials.

Uploaded by

chez ez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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10/21/2015 Thread ­ Drill & Tap Chart

THREAD/SCREW ­ Drill & Tap Chart


Tap Drills Clearance Hole Drills
Machine Screw Alum, Brass, Stainless Steel,
All Materials
Size & Plasitcs Steels & Iron
Threads Minor
Per Inch Dia Close Fit Free Fit
75% Thread 50% Thread
Major Drill Decimal Drill Decimal Drill Decimal Drill Decimal
# or Dia
Dia Size Equiv. Size Equiv. Size Equiv. Size Equiv.

0 .0600 80 .0447 3/64 .0469 55 .0520 52 .0635 50 .0700


64 .0538 53 .0595 1/16 .0625
1 .0730 48 .0760 46 .0810
72 .0560 53 .0595 52 .0635
56 .0641 50 .0700 49 .0730
2 .0860 43 .0890 41 .0960
64 .0668 50 .0700 48 .0760
48 .0734 47 .0785 44 .0860
3 .0990 37 .1040 35 .1100
56 .0771 45 .0820 43 .0890
40 .0813 43 .0890 41 .0960
4 .1120 32 .1160 30 .1285
48 .0864 42 .0935 40 .0980
40 .0943 38 .1015 7/64 .1094
5 .125 30 .1285 29 .1360
44 .0971 37 .1040 35 .1100
32 .0997 36 .1065 32 .1160
6 .138 27 .1440 25 .1495
40 .1073 33 .1130 31 .1200
32 .1257 29 .1360 27 .1440
8 .1640 18 .1695 16 .1770
36 .1299 29 .1360 26 .1470
24 .1389 25 .1495 20 .1610
10 .1900 9 .1960 7 .2010
32 .1517 21 .1590 18 .1695
24 .1649 16 .1770 12 .1890
12 .2160 28 .1722 14 .1820 10 .1935 2 .2210 1 .2280
32 .1777 13 .1850 9 .1960
20 .1887 7 .2010 7/32 .2188
1/4 .2500 28 .2062 3 .2130 1 .2280 F .2570 H .2660
32 .2117 7/32 .2188 1 .2280
18 .2443 F .2570 J .2770
5/16 .3125 24 .2614 I .2720 9/32 .2812 P .3230 Q .3320
32 .2742 9/32 .2812 L .2900
16 .2983 5/16 .3125 Q .3320
3/8 .3750 24 .3239 Q .3320 S .3480 W .3860 X .3970
32 .3367 11/32 .3438 T .3580
14 .3499 U .3680 25/64 .3906
7/16 .4375 20 .3762 25/64 .3906 13/32 .4062 29/64 .4531 15/32 .4687
28 .3937 Y .4040 Z .4130
13 .4056 27/64 .4219 29/64 .4531
1/2 .5000 20 .4387 29/64 .4531 15/32 .4688 33/64 .5156 17/32 .5312
28 .4562 15/32 .4688 15/32 .4688
12 .4603 31/64 .4844 33/64 .5156
9/16 .5625 18 .4943 33/64 .5156 17/32 .5312 37/64 .5781 19/32 .5938
http://www.shender4.com/thread_chart.htm 1/2
10/21/2015 Thread ­ Drill & Tap Chart

24 .5114 33/64 .5156 17/32 .5312


11 .5135 17/32 .5312 9/16 .5625
5/8 .6250 18 .5568 37/64 .5781 19/32 .5938 41/64 .6406 21/32 .6562
24 .5739 37/64 .5781 19/32 .5938
11/16 .6875 24 .6364 41/64 .6406 21/32 .6562 45/64 .7031 23/32 .6562
10 .6273 21/32 .6562 11/16 .6875
3/4 .7500 16 .6733 11/16 .6875 45/64 .7031 49/64 .7656 25/32 .7812
20 .6887 45/64 .7031 23/32 .7188
13/16 .8125 20 .7512 49/64 .7656 25/32 .7812 53/64 .8281 27/32 .8438
9 .7387 49/64 .7656 51/64 .7969
7/8 .8750 14 .7874 13/16 .8125 53/64 .8281 57/64 .8906 29/32 .9062
20 .8137 53/64 .8281 27/32 .8438
15/16 .9375 20 .8762 57/64 .8906 29/32 .9062 61/64 .9531 31/32 .9688
8 .8466 7/8 .8750 59/64 .9219
1 1.000 12 .8978 15/16 .9375 61/64 .9531 1­1/64 1.0156 1­1/32 1.0313
20 .9387 61/64 .9531 31/32 .9688

Steven L Henderson's Cutting Edge Designs

http://www.shender4.com/thread_chart.htm 2/2

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