Besly Cutting Tools, Inc
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Besly Drill Selector for X-Press Taps Machine Screw Sizes |
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|---|---|---|---|---|
| Tap Size | Drill Size | Decimal Equivalent |
Theoretical Hole Size |
Percentage of Thread |
| 0-80 | 1.35mm | .0531 | .0536 | 75 |
| 1-64 | 1.65mm | .0650 | .0650 | 75 |
| 1-72 | 1.65mm | .0650 | .0659 | 75 |
| 1.70mm | .0669 | .0669 | 65 | |
| 51 | .0670 | .0673 | 60 | |
| 2-56 | 1.95mm | .0768 | .0769 | 75 |
| 5/64 | .0781 | .0781 | 65 | |
| 47 | .0785 | .0787 | 60 | |
| 2-64 | 5/64 | .0781 | .0780 | 75 |
| 47 | .0785 | .0785 | 70 | |
| 2.00mm | .0787 | .0791 | 65 | |
| 3-48 | 2.25mm | .0886 | .0884 | 75 |
| 43 | .0890 | .0890 | 70 | |
| 2.30mm | .0906 | .0905 | 60 | |
| 3-56 | 43 | .0890 | .0899 | 75 |
| 2.30mm | .0906 | .0911 | 65 | |
| 4-40 | 2.50mm | .0984 | .0993 | 75 |
| 39 | .0995 | .1000 | 70 | |
| 38 | .1015 | .1018 | 60 | |
| 4-48 | 38 | .1015 | .1020 | 70 |
| 2.60mm | .1024 | .1028 | 65 | |
| 5-40 | 34 | .1110 | .1123 | 75 |
| 33 | .1130 | .1130 | 70 | |
| 2.90mm | .1142 | .1148 | 60 | |
| 5-44 | 33 | .1130 | .1134 | 75 |
| 2.90mm | .1142 | .1141 | 70 | |
| 6-32 | 3.10mm | .1220 | .1221 | 75 |
| 1/8 | .1250 | .1252 | 60 | |
| 6-40 | 1/8 | .1250 | .1253 | 75 |
| 3.20mm | .1260 | .1260 | 70 | |
| 8-32 | 25 | .1495 | .1481 | 75 |
| 3.75mm | .1476 | .1490 | 70 | |
| 3.80mm | .1496 | .1503 | 65 | |
| 8-36 | 25 | .1495 | .1498 | 75 |
| 3.80mm | .1496 | .1507 | 70 | |
| 24 | .1520 | .1526 | 60 | |
| 10-24 | 4.25mm | .1673 | .1688 | 75 |
| 18 | .1695 | .1700 | 70 | |
| 11/64 | .1719 | .1717 | 65 | |
| 10-32 | 17 | .1730 | .1742 | 75 |
| 16 | .1770 | .1772 | 60 | |
| 12-24 | 10 | .1935 | .1948 | 75 |
| 9 | .1960 | .1960 | 70 | |
| 5.00mm | .1968 | .1977 | 65 | |
| 8 | .1990 | .1989 | 60 | |
| 12-28 | 5.00mm | .1968 | .1978 | 75 |
| 8 | .1990 | .1989 | 70 | |
| 7 | .2010 | .2014 | 60 | |