Drill Chart
| Drill No. | Inches | Drill No. | Inches | Drill No. | Inches | ||
| 80 | .0135 | 53 | .0595 | 27 | .1440 | ||
| 79 | .0145 | 52 | .0635 | 26 | .1470 | ||
| 78 | .0160 | 51 | .0670 | 25 | .1495 | ||
| 77 | .0180 | 50 | .0700 | 24 | .1520 | ||
| 76 | .0200 | 49 | .0730 | 23 | .1540 | ||
| 75 | .0210 | 48 | .0760 | 22 | .1570 | ||
| 74 | .0225 | 47 | .0785 | 21 | .1590 | ||
| 73 | .0240 | 46 | .0810 | 20 | .1610 | ||
| 72 | .0250 | 45 | .0820 | 19 | .1660 | ||
| 71 | .0260 | 44 | .0860 | 18 | .1695 | ||
| 70 | .0280 | 43 | .0890 | 17 | .1730 | ||
| 69 | .0292 | 42 | .0935 | 16 | .1770 | ||
| 68 | .0310 | 41 | .0960 | 15 | .1800 | ||
| 67 | .0320 | 40 | .0980 | 14 | .1820 | ||
| 66 | .0330 | 39 | .0995 | 13 | .1850 | ||
| 65 | .0350 | 38 | .1015 | 12 | .1890 | ||
| 64 | .0360 | 37 | .1040 | 11 | .1910 | ||
| 63 | .0370 | 36 | .1065 | 10 | .1935 | ||
| 62 | .0380 | 35 | .1100 | 09 | .1960 | ||
| 61 | .0390 | 34 | .1110 | 08 | .1990 | ||
| 60 | .0400 | 33 | .1130 | 07 | .2010 | ||
| 59 | .0410 | 32 | .1160 | 06 | .2040 | ||
| 58 | .0420 | 31 | .1200 | 05 | .2055 | ||
| 57 | .0430 | 1/8" | .1250 | 04 | .2090 | ||
| 56 | .0465 | 30 | .1285 | 03 | .2130 | ||
| 55 | .0520 | 29 | .1360 | 02 | .2210 | ||
| 54 | .0550 | 28 | .1405 | 01 | .2280 |
