| Drill | Diameter | Drill | Diameter | Drill | Diameter
|
| Size | (inches) | Size | (inches) | Size | (inches)
|
| 97 | .0059 | 96 | .0063 | 95 | .0067
|
| 94 | .0071 | 93 | .0075 | 92 | .0079
|
| 91 | .0083 | 90 | .0087 | 89 | .0091
|
| 88 | .0095 | 87 | .0100 | 86 | .0105
|
| 85 | .0110 | 84 | .0115 | 83 | .0120
|
| 82 | .0125 | 81 | .0130 | 80 | .0135
|
| 79 | .0145 | 78 | .0160 | 77 | .0180
|
| 76 | .0200 | 75 | .0210 | 74 | .0225
|
| 73 | .0240 | 72 | .0250 | 71 | .0260
|
| 70 | .0280 | 69 | .0292 | 68 | .0310
|
| 67 | .0320 | 66 | .0330 | 65 | .0350
|
| 64 | .0360 | 63 | .0370 | 62 | .0380
|
| 61 | .0390 | 60 | .0400 | 59 | .0410
|
| 58 | .0420 | 57 | .0430 | 56 | .0465
|
| 55 | .0520 | 54 | .0550 | 53 | .0595
|
| 52 | .0635 | 51 | .0670 | 50 | .0700
|
| 49 | .0730 | 48 | .0760 | 47 | .0785
|
| 46 | .0810 | 45 | .0820 | 44 | .0860
|
| 43 | .0890 | 42 | .0935 | 41 | .0960
|
| 40 | .0980 | 39 | .0995 | 38 | .1015
|
| 37 | .1040 | 36 | .1065 | 35 | .1100
|
| 34 | .1110 | 33 | .1130 | 32 | .1160
|
| 31 | .1200 | 30 | .1285 | 29 | .1360
|
| 28 | .1405 | 27 | .1440 | 26 | .1470
|
| 25 | .1495 | 24 | .1520 | 23 | .1540
|
| 22 | .1570 | 21 | .1590 | 20 | .1610
|
| 19 | .1660 | 18 | .1695 | 17 | .1730
|
| 16 | .1770 | 15 | .1800 | 14 | .1820
|
| 13 | .1850 | 12 | .1890 | 11 | .1910
|
| 10 | .1935 | 9 | .1960 | 8 | .1990
|
| 7 | .2010 | 6 | .2040 | 5 | .2055
|
| 4 | .2090 | 3 | .2130 | 2 | .2210
|
| 1 | .2280 |
|
| Drill | Diameter | Drill | Diameter | Drill | Diameter
|
| Size | (inches) | Size | (inches) | Size | (inches)
|
| A | .2340 | B | .2380 | C | .2420
|
| D | .2460 | E | .2500 | F | .2570
|
| G | .2610 | H | .2660 | I | .2720
|
| J | .2770 | K | .2810 | L | .2900
|
| M | .2950 | N | .3020 | O | .3160
|
| P | .3230 | Q | .3320 | R | .3390
|
| S | .3480 | T | .3580 | U | .3680
|
| V | .3770 | W | .3860 | X | .3970
|
| Y | .4040 | Z | .4130 |
|
| Drill | Diameter | Drill | Diameter | Drill | Diameter
|
| Size | (inches) | Size | (inches) | Size | (inches)
|
| 1/64 | .0156 | 1/32 | .0313 | 3/64 | .0469
|
| 1/16 | .0625 | 5/64 | .0781 | 3/32 | .0938
|
| 7/64 | .1094 | 1/8 | .1250 | 9/64 | .1406
|
| 5/32 | .1562 | 11/64 | .1719 | 3/16 | .1875
|
| 13/64 | .2031 | 7/32 | .2188 | 15/64 | .2344
|
| 1/4 | .2500 | 17/64 | .2656 | 9/32 | .2812
|
| 19/64 | .2969 | 5/16 | .3125 | 21/64 | .3281
|
| 11/32 | .3438 | 23/64 | .3594 | 3/8 | .3750
|
| 25/64 | .3906 | 13/32 | .4062 | 27/64 | .4219
|
| 7/16 | .4375 | 29/64 | .4531 | 15/32 | .4688
|
| 31/64 | .4844 | 1/2 | .5000 | 33/64 | .5156
|
| 17/32 | .5313 | 35/64 | .5469 | 9/16 | .5625
|
| 37/64 | .5781 | 19/32 | .5938 | 39/64 | .6094
|
| 5/8 | .6250 | 41/64 | .6406 | 21/32 | .6562
|
| 43/64 | .6719 | 11/16 | .6875 | 45/64 | .7031
|
| 23/32 | .7188 | 47/64 | .7344 | 3/4 | .7500
|
| 49/64 | .7656 | 25/32 | .7812 | 51/64 | .7969
|
| 13/16 | .8125 | 53/64 | .8281 | 27/32 | .8438
|
| 55/64 | .8594 | 7/8 | .8750 | 57/64 | .8906
|
| 29/32 | .9062 | 59/64 | .9219 | 15/16 | .9375
|
| 61/64 | .9531 | 31/32 | .9688 | 63/64 | .9844
|
| 1 | 1.0000 |
|
| Drill | Diameter | Drill | Diameter | Drill | Diameter
|
| Size | (inches) | Size | (inches) | Size | (inches)
|
| 0.20 mm | .00787 | 0.25 mm | .00984 | 0.30 mm | .0118
|
| 0.35 mm | .0138 | 0.40 mm | .0158 | 0.45 mm | .0177
|
| 0.50 mm | .0197 | 0.55 mm | .0217 | 0.60 mm | .0236
|
| 0.65 mm | .0256 | 0.70 mm | .0276 | 0.75 mm | .0295
|
| 0.80 mm | .0315 | 0.85 mm | .0335 | 0.90 mm | .0354
|
| 0.95 mm | .0374 | 1.00 mm | .0394 | 1.05 mm | .0413
|
| 1.10 mm | .0433 | 1.15 mm | .0453 | 1.20 mm | .0472
|
| 1.25 mm | .0492 | 1.30 mm | .0512 | 1.35 mm | .0531
|
| 1.40 mm | .0551 | 1.45 mm | .0571 | 1.50 mm | .0591
|
| 1.55 mm | .0610 | 1.60 mm | .0630 | 1.65 mm | .0650
|
| 1.70 mm | .0669 | 1.75 mm | .0689 | 1.80 mm | .0709
|
| 1.85 mm | .0728 | 1.90 mm | .0748 | 1.95 mm | .0768
|
| 2.00 mm | .0787 | 2.05 mm | .0807 | 2.10 mm | .0827
|
| 2.15 mm | .0846 | 2.20 mm | .0866 | 2.25 mm | .0886
|
| 2.30 mm | .0906 | 2.35 mm | .0925 | 2.40 mm | .0945
|
| 2.45 mm | .0965 | 2.50 mm | .0984 | 2.55 mm | .1004
|
| 2.60 mm | .1024 | 2.65 mm | .1043 | 2.70 mm | .1063
|
| 2.75 mm | .1083 | 2.80 mm | .1102 | 2.85 mm | .1122
|
| 2.90 mm | .1142 | 2.95 mm | .1161 | 3.00 mm | .1181
|
| 3.10 mm | .1220 | 3.15 mm | .1240 | 3.20 mm | .1260
|
| 3.25 mm | .1280 | 3.30 mm | .1299 | 3.40 mm | .1339
|
| 3.50 mm | .1378 | 3.60 mm | .1417 | 3.70 mm | .1457
|
| 3.75 mm | .1476 | 3.80 mm | .1496 | 3.90 mm | .1535
|
| 4.00 mm | .1575 | 4.10 mm | .1614 | 4.20 mm | .1654
|
| 4.25 mm | .1673 | 4.30 mm | .1693 | 4.40 mm | .1732
|
| 4.50 mm | .1772 | 4.60 mm | .1811 | 4.70 mm | .1850
|
| 4.75 mm | .1870 | 4.80 mm | .1890 | 4.90 mm | .1929
|
| 5.00 mm | .1969 | 5.10 mm | .2008 | 5.20 mm | .2047
|
| 5.25 mm | .2067 | 5.30 mm | .2087 | 5.40 mm | .2126
|
| 5.50 mm | .2165 | 5.60 mm | .2205 | 5.70 mm | .2244
|
| 5.75 mm | .2264 | 5.80 mm | .2283 | 5.90 mm | .2323
|
| 6.00 mm | .2362 | 6.10 mm | .2402 | 6.20 mm | .2441
|
| 6.25 mm | .2461 | 6.30 mm | .2480 | 6.40 mm | .2520
|
| 6.50 mm | .2559 | 6.60 mm | .2598 | 6.70 mm | .2638
|
| 6.75 mm | .2657 | 6.80 mm | .2677 | 6.90 mm | .2717
|
| 7.00 mm | .2756 | 7.10 mm | .2795 | 7.20 mm | .2835
|
| 7.25 mm | .2854 | 7.30 mm | .2874 | 7.40 mm | .2914
|
| 7.50 mm | .2953 | 7.60 mm | .2992 | 7.70 mm | .3031
|
| 8.00 mm | .3150 | 8.10 mm | .3189 | 8.20 mm | .3228
|
| 8.25 mm | .3248 | 8.30 mm | .3268 | 8.40 mm | .3307
|
| 8.50 mm | .3346 | 8.60 mm | .3386 | 8.70 mm | .3425
|
| 8.75 mm | .3445 | 8.80 mm | .3465 | 8.90 mm | .3504
|
| 9.00 mm | .3543 | 9.10 mm | .3583 | 9.20 mm | .3622
|
| 9.25 mm | .3642 | 9.30 mm | .3661 | 9.40 mm | .3701
|
| 9.50 mm | .3740 | 9.60 mm | .3780 | 9.70 mm | .3819
|
| 9.75 mm | .3839 | 9.80 mm | .3858 | 9.90 mm | .3898
|
| 10.00 mm | .3937 | 10.10 mm | .3976 | 10.20 mm | .4016
|
| 10.25 mm | .4035 | 10.30 mm | .4055 | 10.40 mm | .4094
|
| 10.50 mm | .4134 | 10.60 mm | .4173 | 10.70 mm | .4213
|
| 10.80 mm | .4252 | 10.90 mm | .4291 | 11.00 mm | .4331
|
| 11.10 mm | .4370 | 11.20 mm | .4409 | 11.25 mm | .4429
|
| 11.30 mm | .4449 | 11.40 mm | .4488 | 11.50 mm | .4528
|
| 11.60 mm | .4567 | 11.70 mm | .4606 | 11.75 mm | .4626
|
| 11.80 mm | .4646 | 11.90 mm | .4685 | 12.00 mm | .4724
|
| 12.50 mm | .4921 | 13.00 mm | .5118 | 13.50 mm | .5315
|
| 14.00 mm | .5512 | 14.50 mm | .5709 | 15.00 mm | .5906
|
| 15.50 mm | .6102 | 16.00 mm | .6299 | 16.50 mm | .6496
|
| 17.00 mm | .6693 | 17.50 mm | .6890 | 18.00 mm | .7087
|
| 18.50 mm | .7283 | 19.00 mm | .7480 | 19.50 mm | .7677
|
| 20.00 mm | .7874 | 20.50 mm | .8071 | 21.00 mm | .8268
|
| 21.50 mm | .8465 | 22.00 mm | .8661 | 22.50 mm | .8858
|
| 23.00 mm | .9055 | 23.50 mm | .9252 | 24.00 mm | .9449
|
| 24.50 mm | .9646 | 25.00 mm | .9843 |
|