| drill | size | drill | size | drill | size |
| 80 | 0.0135 | 45 | 0.0820 | 10 | 0.1935 |
| 79 | 0.0145 | 44 | 0.0860 | 9 | 0.1960 |
| 78 | 0.0160 | 43 | 0.0890 | 8 | 0.1990 |
| 77 | 0.0180 | 42 | 0.0935 | 7 | 0.2010 |
| 76 | 0.0200 | 41 | 0.0960 | 6 | 0.2040 |
| 75 | 0.0210 | 40 | 0.0980 | 5 | 0.2055 |
| 74 | 0.0225 | 39 | 0.0995 | 4 | 0.2090 |
| 73 | 0.0240 | 38 | 0.1015 | 3 | 0.2130 |
| 72 | 0.0250 | 37 | 0.1040 | 2 | 0.2210 |
| 71 | 0.0260 | 36 | 0.1065 | 1 | 0.2280 |
| 70 | 0.0280 | 35 | 0.1100 | A | 0.2340 |
| 69 | 0.0292 | 34 | 0.1110 | B | 0.2380 |
| 68 | 0.0310 | 33 | 0.1130 | C | 0.2420 |
| 67 | 0.0320 | 32 | 0.1160 | D | 0.2460 |
| 66 | 0.0330 | 31 | 0.1200 | E | 0.2500 |
| 65 | 0.0350 | 30 | 0.1285 | F | 0.2570 |
| 64 | 0.0360 | 29 | 0.1360 | G | 0.2610 |
| 63 | 0.0370 | 28 | 0.1405 | H | 0.2660 |
| 62 | 0.0380 | 27 | 0.1440 | I | 0.2720 |
| 61 | 0.0390 | 26 | 0.1470 | J | 0.2770 |
| 60 | 0.0400 | 25 | 0.1495 | K | 0.2810 |
| 59 | 0.0410 | 24 | 0.1520 | L | 0.2900 |
| 58 | 0.0420 | 23 | 0.1540 | M | 0.2950 |
| 57 | 0.0430 | 22 | 0.1570 | N | 0.3020 |
| 56 | 0.0465 | 21 | 0.1590 | O | 0.3160 |
| 55 | 0.0520 | 20 | 0.1610 | P | 0.3230 |
| 54 | 0.0550 | 19 | 0.1660 | Q | 0.3320 |
| 53 | 0.0595 | 18 | 0.1695 | R | 0.3390 |
| 52 | 0.0635 | 17 | 0.1730 | S | 0.3480 |
| 51 | 0.0670 | 16 | 0.1770 | T | 0.3580 |
| 50 | 0.0700 | 15 | 0.1800 | U | 0.3680 |
| 49 | 0.0730 | 14 | 0.1820 | V | 0.3770 |
| 48 | 0.0760 | 13 | 0.1850 | W | 0.3860 |
| 47 | 0.0785 | 12 | 0.1890 | X | 0.3970 |
| 46 | 0.0810 | 11 | 0.1910 | Y | 0.4040 |