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Printable drill size chart
All 163 number, letter and fractional drills in one ascending run, with decimal inch, millimetres and the tap each one drills for. One sheet, fits A4 and US Letter.
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Drill in mm Taps #60 0.0400 1.02 #59 0.0410 1.04 #58 0.0420 1.07 #57 0.0430 1.09 #56 0.0465 1.18 #55 0.0520 1.32 #54 0.0550 1.40 #53 0.0595 1.51 1/16″ 0.0625 1.59 #52 0.0635 1.61 #51 0.0670 1.70 #50 0.0700 1.78 #49 0.0730 1.85 #48 0.0760 1.93 5/64″ 0.0781 1.98 #47 0.0785 1.99 #46 0.0810 2.06 #45 0.0820 2.08 #44 0.0860 2.18 #43 0.0890 2.26 #4-40 #42 0.0935 2.37 #4-48 3/32″ 0.0937 2.38 #41 0.0960 2.44 #40 0.0980 2.49 #39 0.0995 2.53 #38 0.1015 2.58 #37 0.1040 2.64 #36 0.1065 2.71 #6-32 7/64″ 0.1094 2.78 #35 0.1100 2.79 #34 0.1110 2.82 #33 0.1130 2.87 #6-40 #32 0.1160 2.95 #31 0.1200 3.05 1/8″ 0.1250 3.17 #30 0.1285 3.26 #29 0.1360 3.45 #8-32 #8-36 #28 0.1405 3.57 9/64″ 0.1406 3.57 #27 0.1440 3.66 #26 0.1470 3.73
Drill in mm Taps #25 0.1495 3.80 #10-24 #24 0.1520 3.86 #23 0.1540 3.91 5/32″ 0.1562 3.97 #22 0.1570 3.99 #21 0.1590 4.04 #10-32 #20 0.1610 4.09 #19 0.1660 4.22 #18 0.1695 4.31 11/64″ 0.1719 4.37 #17 0.1730 4.39 #16 0.1770 4.50 #12-24 #15 0.1800 4.57 #14 0.1820 4.62 #13 0.1850 4.70 3/16″ 0.1875 4.76 #12 0.1890 4.80 #11 0.1910 4.85 #10 0.1935 4.91 #9 0.1960 4.98 #8 0.1990 5.05 #7 0.2010 5.11 1/4-20 13/64″ 0.2031 5.16 #6 0.2040 5.18 #5 0.2055 5.22 #4 0.2090 5.31 #3 0.2130 5.41 1/4-28 7/32″ 0.2188 5.56 #2 0.2210 5.61 #1 0.2280 5.79 A 0.2340 5.94 15/64″ 0.2344 5.95 B 0.2380 6.05 C 0.2420 6.15 D 0.2460 6.25 E 0.2500 6.35 1/4″ 0.2500 6.35 F 0.2570 6.53 5/16-18 G 0.2610 6.63 17/64″ 0.2656 6.75 H 0.2660 6.76
Drill in mm Taps I 0.2720 6.91 5/16-24 J 0.2770 7.04 K 0.2810 7.14 9/32″ 0.2812 7.14 L 0.2900 7.37 M 0.2950 7.49 19/64″ 0.2969 7.54 N 0.3020 7.67 5/16″ 0.3125 7.94 3/8-16 O 0.3160 8.03 P 0.3230 8.20 21/64″ 0.3281 8.33 Q 0.3320 8.43 3/8-24 R 0.3390 8.61 11/32″ 0.3438 8.73 S 0.3480 8.84 T 0.3580 9.09 23/64″ 0.3594 9.13 U 0.3680 9.35 7/16-14 3/8″ 0.3750 9.52 V 0.3770 9.58 W 0.3860 9.80 25/64″ 0.3906 9.92 7/16-20 X 0.3970 10.08 Y 0.4040 10.26 13/32″ 0.4062 10.32 Z 0.4130 10.49 27/64″ 0.4219 10.72 1/2-13 7/16″ 0.4375 11.11 29/64″ 0.4531 11.51 1/2-20 15/32″ 0.4688 11.91 31/64″ 0.4844 12.30 9/16-12 1/2″ 0.5000 12.70 33/64″ 0.5156 13.10 9/16-18 17/32″ 0.5312 13.49 5/8-11 35/64″ 0.5469 13.89 9/16″ 0.5625 14.29 37/64″ 0.5781 14.68 5/8-18 19/32″ 0.5938 15.08 39/64″ 0.6094 15.48 5/8″ 0.6250 15.88
Drill in mm Taps 41/64″ 0.6406 16.27 21/32″ 0.6562 16.67 3/4-10 43/64″ 0.6719 17.07 11/16″ 0.6875 17.46 3/4-16 45/64″ 0.7031 17.86 23/32″ 0.7188 18.26 47/64″ 0.7344 18.65 3/4″ 0.7500 19.05 49/64″ 0.7656 19.45 7/8-9 25/32″ 0.7812 19.84 51/64″ 0.7969 20.24 13/16″ 0.8125 20.64 7/8-14 53/64″ 0.8281 21.03 27/32″ 0.8438 21.43 55/64″ 0.8594 21.83 7/8″ 0.8750 22.22 1-8 57/64″ 0.8906 22.62 29/32″ 0.9062 23.02 59/64″ 0.9219 23.42 1-12 15/16″ 0.9375 23.81 61/64″ 0.9531 24.21 31/32″ 0.9688 24.61 63/64″ 0.9844 25.00 1/1″ 1.0000 25.40 65/64″ 1.0156 25.80 33/32″ 1.0312 26.19 67/64″ 1.0469 26.59 17/16″ 1.0625 26.99 69/64″ 1.0781 27.38 35/32″ 1.0938 27.78 71/64″ 1.1094 28.18 9/8″ 1.1250 28.57 73/64″ 1.1406 28.97 37/32″ 1.1562 29.37 75/64″ 1.1719 29.77 19/16″ 1.1875 30.16 77/64″ 1.2031 30.56 39/32″ 1.2188 30.96 79/64″ 1.2344 31.35 5/4″ 1.2500 31.75
Related: Tap Drill & Thread Size Calculator
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