| DRILL | DIAM. INCHES |
DRILL | DIAM. INCHES |
DRILL | DIAM. INCHES |
DRILL | DIAM. INCHES |
DRILL | DIAM. INCHES |
|---|---|---|---|---|---|---|---|---|---|
| 80 | .0135 | 2.1m/m | .0827 | 16 | .1770 | 9/32 | .2812 | 12.m/m | .4724 |
| 79 | .0145 | 44 | .0860 | 4.5m/m | .1772 | 7.2m/m | .2835 | 31/64 | .4844 |
| 1/64 | .0156 | 2.2m/m | .0866 | 15 | .1800 | 7.3m/m | .2874 | 12.5m/m | .4921 |
| 78 | .0160 | 2.25m/m | .0886 | 4.6m/m | .1811 | L | .2900 | 1/2 | .5000 |
| 77 | .0180 | 43 | .0890 | 14 | .1820 | 7.4m/m | .2913 | 13.m/m | .5118 |
| .5m/m | .0197 | 2.3m/m | .0906 | 13 | .1850 | M | .2950 | 33/64 | .5156 |
| 76 | .0200 | 42 | .0935 | 4.7m/m | .1850 | 7.5m/m | .2953 | 17/32 | .5312 |
| 75 | .0210 | 3/32 | .0938 | 3/16 | .1875 | 19/64 | .2969 | 13.5m/m | .5315 |
| 74 | .0225 | 2.4m/m | .0945 | 4.8m/m | .1890 | 7.6m/m | 35/64 | .5469 | |
| .6m/m | .0236 | sss 41 | .0960 | 12 | .1890 | N | .3020 | 14.m/m | .5512 |
| 73 | .0240 | 40 | .0980 | 11 | .1910 | 7.7m/m | .3031 | 9/16 | .5625 |
| 72 | .0250 | 2.5m/m | .0984 | 4.9m/m | .1929 | 7.8m/m | .3071 | 14.5m/m | .5709 |
| 71 | .0260 | 39 | .0995 | 10 | .1935 | 7.9m/m | .3110 | 37/64 | .5781 |
| .7m/m | .0276 | 38 | .1015 | 9 | .1960 | 5/16 | .3125 | 15.m/m | .5906 |
| 70 | .0280 | 2.6m/m | .1024 | 5.m/m | .1969 | 8.m/m | .3150 | 19/32 | .5938 |
| 69 | .0292 | 37 | .1040 | 8 | .1990 | O | .3160 | 39/64 | .6094 |
| .75m/m | .0295 | 2.7m/m | .1063 | 5.1m/m | .2008 | 8.1m/m | .3189 | 15.5m/m | .6102 |
| 68 | .0310 | 36 | .1065 | 7 | .2010 | 8.2m/m | .3228 | 5/8 | .6250 |
| 1/32 | .0312 | 13/64 | .2031 | P | .3230 | 16.m/m | .6299 | ||
| .8m/m | .0315 | 7/64 | .1094 | 6 | .2040 | 8.3m/m | .3268 | 41/64 | .6406 |
| 67 | .0320 | 35 | .1100 | 5.2m/m | .2047 | 21/64 | .3281 | 16.5m/m | .6496 |
| 66 | .0330 | 2.8m/m | .1102 | 5 | .2055 | 8.4m/m | .3307 | 21/32 | .6562 |
| 65 | .0350 | 34 | .1110 | 5.3m/m | .2087 | Q | .3320 | 17.m/m | .6693 |
| .9m/m | .0354 | 33 | .1130 | 4 | .2090 | 8.5m/m | .3346 | 43/64 | .6719 |
| 64 | .0360 | 2.9m/m | .1142 | 5.4m/m | .2126 | 8.6m/m | .3386 | 11/16 | .6875 |
| 63 | .0370 | 32 | .1160 | 3 | .2130 | R | .3390 | 17.5m/m | .6890 |
| 62 | .0380 | 3.m/m | .1181 | 5.5m/m | .2165 | 8.7m/m | .3425 | 45/64 | .7031 |
| 61 | .0390 | 31 | .1200 | 7/32 | .2188 | 11/32 | .3438 | 18.m/m | .7087 |
| 1.m/m | .0394 | 3.1m/m | .1220 | 5.6m/m | .2205 | 8.8m/m | .3465 | 23/32 | .7188 |
| 60 | .0400 | 1/8 | .1250 | 2 | .2210 | S | .3480 | 18.5m/m | .7283 |
| 59 | .0410 | 3.2m/m | .1260 | 5.7m/m | .2244 | 8.9m/m | .3504 | 47/64 | .7344 |
| 58 | .0420 | 30 | .1285 | 1 | .2280 | 9.m/m | .3543 | 19.m/m | .7480 |
| 57 | .0430 | 3.3m/m | .1299 | 5.8m/m | .2283 | T | .3580 | 3/4 | .7500 |
| 1.1m/m | .0433 | 3.4m/m | .1339 | 5.9m/m | .2323 | 9.1m/m | .3583 | 49/64 | .7656 |
| 56 | .0465 | 29 | .1360 | A | .2340 | 23/64 | .3594 | 19.5m/m | .7677 |
| 3/64 | .0469 | 3.5m/m | .1378 | 15/64 | .2344 | 9.2m/m | .3622 | 25/32 | .7812 |
| 1.2m/m | .0472 | 28 | .1405 | 6.m/m | .2362 | 9.3m/m | .3661 | 20.m/m | .7874 |
| 1.25m/m | .0492 | 9/64 | .1406 | B | .2380 | U | .3680 | 51/64 | .7969 |
| 1.3m/m | .0512 | 3.6m/m | .1417 | 6.1m/m | .2402 | 9.4m/m | .3701 | 20.5m/m | .8071 |
| 55 | .0520 | 27 | .1440 | C | .2420 | 9.5m/m | .3740 | 13/16 | .8125 |
| 54 | .0550 | 3.7m/m | .1457 | 6.2m/m | .2441 | 3/8 | .3750 | 21.m/m | .8268 |
| 1.4m/m | .0551 | 26 | .1470 | D | .2460 | V | .3770 | 53/64 | .8281 |
| 1.5m/m | .0591 | 25 | .1495 | 6.3m/m | .2480 | 9.6m/m | .3780 | 27/32 | .8438 |
| 53 | .0595 | 3.8m/m | .1496 | E | .2500 | 9.7m/m | .3819 | 21.5m/m | .8465 |
| 1/16 | .0625 | 24 | .1520 | 1/4 | .2500 | 9.8m/m | .3858 | 55/64 | .8594 |
| 1.6m/m | .0630 | 3.9m/m | .1535 | 6.4m/m | .2520 | W | .3860 | 22.m/m | .8661 |
| 52 | .0635 | 23 | .1540 | 6.5m/m | .2559 | 9.9m/m | .3898 | 7/8 | .8750 |
| 1.7m/m | .0669 | 5/32 | .1562 | F | .2570 | 25/64 | .3906 | 22.5m/m | .8858 |
| 51 | .0670 | 22 | .1570 | 6.6m/m | .2598 | 10.m/m | .3937 | 57/64 | .8906 |
| 1.75m/m | .0689 | 4.m/m | .1575 | G | .2610 | X | .3970 | 23.m/m | .9055 |
| 50 | .0700 | 21 | .1590 | 6.7m/m | .2638 | Y | .4040 | 29/32 | .9062 |
| 1.8m/m | .0709 | 20 | .1610 | 17/64 | .2656 | 13/32 | .4062 | 59/64 | .9219 |
| 49 | .0730 | 4.1m/m | .1614 | H | .2660 | Z | .4130 | 23.5m/m | .9252 |
| 1.9m/m | .0748 | 4.2m/m | .1654 | 6.8m/m | .2677 | 10.5m/m | .4134 | 15/16 | .9375 |
| 48 | .0760 | 19 | .1660 | 6.9m/m | .2717 | 27/64 | .4219 | 24.m/m | .9449 |
| 5/64 | .0781 | 4.3m/m | .1693 | I | .2720 | 11.m/m | .4331 | 61/64 | .9531 |
| 47 | .0785 | 18 | .1695 | 7.m/m | .2756 | 7/16 | .4375 | 24.5m/m |
