Drill Size |
mm | Decimal Inches |
Drill Size |
mm | Decimal Inches |
Drill Size |
mm | Decimal Inches |
Drill Size |
mm | Decimal Inches |
- | 0.10 | 0.0039 | 45 | 2.08 | 0.0820 | 5 | 5.22 | 0.2055 | 7/16 | 11.11 | 0.4375 |
- | 0.20 | 0.0079 | 44 | 2.18 | 0.0860 | 4 | 5.31 | 0.2090 | 29/64 | 11.51 | 0.4531 |
- | 0.25 | 0.0098 | 43 | 2.26 | 0.0890 | 3 | 5.41 | 0.2130 | 15/32 | 11.91 | 0.4688 |
- | 0.30 | 0.0118 | 42 | 2.37 | 0.0935 | 7/32 | 5.56 | 0.2188 | - | 12.00 | 0.4724 |
80 | 0.34 | 0.0135 | 3/32 | 2.38 | 0.0938 | 2 | 5.61 | 0.2210 | 31/64 | 12.30 | 0.4844 |
79 | 0.37 | 0.0145 | 41 | 2.44 | 0.0960 | 1 | 5.79 | 0.2280 | 1/2 | 12.70 | 0.5000 |
1/64 | 0.40 | 0.0156 | 40 | 2.49 | 0.0980 | A | 5.94 | 0.2340 | - | 13.00 | 0.5118 |
78 | 0.41 | 0.0160 | 39 | 2.53 | 0.0995 | 15/64 | 5.95 | 0.2344 | 33/64 | 13.10 | 0.5156 |
77 | 0.46 | 0.0180 | 38 | 2.58 | 0.1015 | - | 6.00 | 0.2362 | 17/32 | 13.49 | 0.5312 |
- | 0.50 | 0.0197 | 37 | 2.64 | 0.1040 | B | 6.05 | 0.2380 | 35/64 | 13.89 | 0.5469 |
76 | 0.51 | 0.0200 | 36 | 2.71 | 0.1065 | C | 6.15 | 0.2420 | - | 14.00 | 0.5512 |
75 | 0.53 | 0.0210 | 7/64 | 2.78 | 0.1094 | D | 6.25 | 0.2460 | 9/16 | 14.29 | 0.5625 |
74 | 0.57 | 0.0225 | 35 | 2.79 | 0.1100 | 1/4 | 6.35 | 0.2500 | 37/64 | 14.68 | 0.5781 |
- | 0.60 | 0.0236 | 34 | 2.82 | 0.1110 | E | 6.35 | 0.2500 | - | 15.00 | 0.5906 |
73 | 0.61 | 0.0240 | 33 | 2.87 | 0.1130 | F | 6.53 | 0.2570 | 19/32 | 15.08 | 0.5938 |
72 | 0.64 | 0.0250 | 32 | 2.95 | 0.1160 | G | 6.63 | 0.2610 | 39/64 | 15.48 | 0.6094 |
71 | 0.66 | 0.0260 | - | 3.00 | 0.1181 | 17/64 | 6.75 | 0.2656 | 5/8 | 15.88 | 0.6250 |
- | 0.70 | 0.0276 | 31 | 3.05 | 0.1200 | H | 6.76 | 0.2660 | - | 16.00 | 0.6299 |
70 | 0.71 | 0.0280 | 1/8 | 3.18 | 0.1250 | I | 6.91 | 0.2720 | 41/64 | 16.27 | 0.6406 |
69 | 0.74 | 0.0292 | 30 | 3.26 | 0.1285 | - | 7.00 | 0.2756 | 21/32 | 16.67 | 0.6562 |
- | 0.75 | 0.0295 | 29 | 3.45 | 0.1360 | J | 7.04 | 0.2770 | - | 17.00 | 0.6693 |
68 | 0.79 | 0.0310 | 28 | 3.57 | 0.1405 | K | 7.14 | 0.2810 | 43/64 | 17.07 | 0.6719 |
1/32 | 0.79 | 0.0313 | 9/64 | 3.57 | 0.1406 | 9/32 | 7.14 | 0.2812 | 11/16 | 17.46 | 0.6875 |
- | 0.80 | 0.0315 | 27 | 3.66 | 0.1440 | L | 7.37 | 0.2900 | 45/64 | 17.86 | 0.7031 |
67 | 0.81 | 0.0320 | 26 | 3.73 | 0.1470 | M | 7.49 | 0.2950 | - | 18.00 | 0.7087 |
66 | 0.84 | 0.0330 | 25 | 3.80 | 0.1495 | 19/64 | 7.54 | 0.2969 | 23/32 | 18.26 | 0.7188 |
- | 0.90 | 0.0354 | 23 | 3.91 | 0.1540 | 5/16 | 7.94 | 0.3125 | - | 19.00 | 0.7480 |
64 | 0.91 | 0.0360 | 5/32 | 3.97 | 0.1562 | - | 8.00 | 0.3150 | 3/4 | 19.05 | 0.7500 |
63 | 0.94 | 0.0370 | 22 | 3.99 | 0.1570 | O | 8.03 | 0.3160 | 49/64 | 19.45 | 0.7656 |
62 | 0.97 | 0.0380 | - | 4.00 | 0.1575 | P | 8.20 | 0.3230 | 25/32 | 19.84 | 0.7812 |
61 | 0.99 | 0.0390 | 21 | 4.04 | 0.1590 | 21/64 | 8.33 | 0.3281 | - | 20.00 | 0.7874 |
- | 1.00 | 0.0394 | 20 | 4.09 | 0.1610 | Q | 8.43 | 0.3320 | 51/64 | 20.24 | 0.7969 |
60 | 1.02 | 0.0400 | 19 | 4.22 | 0.1660 | R | 8.61 | 0.3390 | 13/16 | 20.64 | 0.8125 |
59 | 1.04 | 0.0400 | 18 | 4.31 | 0.1695 | 11/32 | 8.73 | 0.3438 | - | 21.00 | 0.8268 |
58 | 1.07 | 0.0420 | 11/64 | 4.37 | 0.1719 | S | 8.84 | 0.3480 | 53/64 | 21.03 | 0.8281 |
57 | 1.09 | 0.0430 | 17 | 4.39 | 0.1730 | - | 9.00 | 0.3543 | 27/32 | 21.43 | 0.8438 |
56 | 1.18 | 0.0465 | 16 | 4.50 | 0.1770 | T | 9.09 | 0.3580 | 55/64 | 21.83 | 0.8594 |
3/64 | 1.19 | 0.0469 | 15 | 4.57 | 0.1800 | 23/64 | 9.13 | 0.3594 | - | 22.00 | 0.8661 |
55 | 1.32 | 0.0520 | 14 | 4.62 | 0.1820 | U | 9.35 | 0.3680 | 7/8 | 22.23 | 0.8750 |
54 | 1.40 | 0.0550 | 13 | 4.70 | 0.1850 | 3/8 | 9.53 | 0.3750 | 57/64 | 22.62 | 0.8906 |
53 | 1.51 | 0.0595 | 3/16 | 4.76 | 0.1875 | V | 9.58 | 0.3770 | - | 23.00 | 0.9055 |
1/16 | 1.59 | 0.0625 | 12 | 4.80 | 0.1890 | W | 9.80 | 0.3860 | 29/32 | 23.02 | 0.9062 |
52 | 1.61 | 0.0635 | 11 | 4.85 | 0.1910 | 25/64 | 9.92 | 0.3906 | 59/64 | 23.42 | 0.9219 |
51 | 1.70 | 0.0670 | 10 | 4.91 | 0.1935 | - | 10.00 | 0.3937 | 15/16 | 23.81 | 0.9375 |
50 | 1.78 | 0.0700 | 9 | 4.98 | 0.1960 | X | 10.08 | 0.3970 | - | 24.00 | 0.9449 |
49 | 1.85 | 0.0730 | - | 5.00 | 0.1968 | Y | 10.26 | 0.4040 | 61/64 | 24.21 | 0.9531 |
48 | 1.93 | 0.0760 | 8 | 5.05 | 0.1990 | 13/32 | 10.32 | 0.4062 | 31/32 | 24.61 | 0.9688 |
5/64 | 1.98 | 0.0781 | 7 | 5.11 | 0.2010 | Z | 10.49 | 0.4130 | - | 25.00 | 0.9842 |
47 | 1.99 | 0.0785 | 13/64 | 5.16 | 0.2031 | 27/64 | 10.72 | 0.4219 | 63/64 | 25.00 | 0.9844 |
- | 2.00 | 0.0787 | 6 | 5.18 | 0.2040 | - | 11.00 | 0.4331 | 1" | 25.40 | 1.0000 |
46 | 2.08 | 0.0810 |