System of Measurement System of Measurement |
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For Drill Bit Size Decimal Equivalent For Drill Bit SizeDecimal Equivalent |
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For Drill Bit Size For Drill Bit Size |
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For Drill Bit System of Measurement For Drill Bit Systemof Measurement |
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Overall Length Overall Length |
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Material Material |
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Hex Key Size for Set Screw Hex Key Size for Set Screw |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Wire Gauge Size Depth-Limiting Drill Bit Stop Collars
Ensure identical hole depths every time. Position the collar on your bit and tighten the set screw.
For technical drawings and 3-D models, click on a part number.
For Drill Bit | |||||||
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| Size | Size Decimal Equivalent | Overall Lg. | OD | Hex Key Size for Set Screw | Material | Each | |
| 52 ga | 0.0635" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 00000 |
| 51 ga | 0.0670" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 50 ga | 0.0700" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 49 ga | 0.0730" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 48 ga | 0.0760" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 47 ga | 0.0785" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 46 ga | 0.0810" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 45 ga | 0.0820" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 44 ga | 0.0860" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 43 ga | 0.0890" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 42 ga | 0.0935" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 41 ga | 0.0960" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 40 ga | 0.0980" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 39 ga | 0.0995" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 38 ga | 0.1015" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 37 ga | 0.1040" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 36 ga | 0.1065" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 35 ga | 0.1100" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 34 ga | 0.1110" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 33 ga | 0.1130" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 32 ga | 0.1160" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 31 ga | 0.1200" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 30 ga | 0.1285" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 29 ga | 0.1360" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 28 ga | 0.1405" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 27 ga | 0.1440" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 26 ga | 0.1470" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 25 ga | 0.1495" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 24 ga | 0.1520" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 23 ga | 0.1540" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 22 ga | 0.1570" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 21 ga | 0.1590" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 20 ga | 0.1610" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 19 ga | 0.1660" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 18 ga | 0.1695" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 17 ga | 0.1730" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 16 ga | 0.1770" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 15 ga | 0.1800" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 14 ga | 0.1820" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 13 ga | 0.1850" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 12 ga | 0.1890" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 11 ga | 0.1910" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 10 ga | 0.1935" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 9 ga | 0.1960" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 8 ga | 0.1990" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 7 ga | 0.2010" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 6 ga | 0.2040" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 5 ga | 0.2055" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 4 ga | 0.2090" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 3 ga | 0.2130" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 2 ga | 0.2210" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 1 ga | 0.2280" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |