Drill Bit Size Drill Bit Size |
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Point Style Point Style |
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| Brad |
For Use On For Use On |
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Decimal Size Equivalent Decimal Size Equivalent |
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Bit Style Bit Style |
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 | Spiral Flute |
Overall Length Overall Length |
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Shank Type Shank Type |
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 | Round |
Maximum Drilling Depth Maximum Drilling Depth |
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Material Material |
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Flute Direction Flute Direction |
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 |
| Right Hand |
Individual/Set Individual/Set |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Finish Finish |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Drill Bits for Precise Holes in Wood
Black-Oxide Steel
Uncoated High-Speed Steel
Three sharp points allow these bits to drill accurate straight and overlapping holes, even across the grain. The center guide point prevents the bit from wandering. Also known as brad-point bits.
High-speed steel drill bits are stronger and more wear resistant than steel drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||
|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | ||||||||
Black-Oxide Steel | ||||||||
| 1/8" | 0.125" | 2 5/8" | 1.44" | Round | 1/8" | Brad | 0000000 | 00000 |
| 3/16" | 0.1875" | 3 3/8" | 2.06" | Round | 3/16" | Brad | 0000000 | 0000 |
| 1/4" | 0.25" | 4" | 2 1/2" | Round | 1/4" | Brad | 0000000 | 0000 |
| 5/16" | 0.3125" | 4 5/8" | 2.94" | Round | 5/16" | Brad | 0000000 | 0000 |
| 3/8" | 0.375" | 5 1/4" | 3.44" | Round | 3/8" | Brad | 0000000 | 0000 |
| 7/16" | 0.4375" | 5 5/8" | 3.69" | Round | 3/8" | Brad | 0000000 | 00000 |
| 1/2" | 0.5" | 6" | 3.97" | Round | 3/8" | Brad | 0000000 | 00000 |
Uncoated High-Speed Steel | ||||||||
| 1/8" | 0.125" | 2 3/4" | 1.63" | Round | 1/8" | Brad | 00000000 | 0000 |
| 5/32" | 0.1563" | 3 1/8" | 2" | Round | 3/16" | Brad | 00000000 | 0000 |
| 7/32" | 0.2188" | 3 3/4" | 2 1/2" | Round | 1/4" | Brad | 00000000 | 0000 |
| 1/4" | 0.25" | 4" | 2 3/4" | Round | 1/4" | Brad | 00000000 | 0000 |
| 17/64" | 0.2656" | 4 1/8" | 2.88" | Round | 1/4" | Brad | 00000000 | 0000 |
| 9/32" | 0.2813" | 4 1/4" | 2.94" | Round | 5/16" | Brad | 00000000 | 00000 |
| 5/16" | 0.3125" | 4 1/2" | 3.19" | Round | 5/16" | Brad | 00000000 | 00000 |
| 11/32" | 0.3438" | 4 3/4" | 3.44" | Round | 3/8" | Brad | 00000000 | 00000 |
| 3/8" | 0.375" | 5" | 3.63" | Round | 3/8" | Brad | 00000000 | 00000 |
| 25/64" | 0.3906" | 5 1/8" | 3 3/4" | Round | 3/8" | Brad | 00000000 | 00000 |
| 13/32" | 0.4063" | 5 1/4" | 3.88" | Round | 7/16" | Brad | 00000000 | 00000 |
| 7/16" | 0.4375" | 5 1/2" | 4.06" | Round | 7/16" | Brad | 00000000 | 00000 |
| 29/64" | 0.4531" | 5 5/8" | 4.19" | Round | 7/16" | Brad | 00000000 | 00000 |
| 15/32" | 0.4688" | 5 3/4" | 4.31" | Round | 1/2" | Brad | 00000000 | 00000 |
| 1/2" | 0.5" | 6" | 4 1/2" | Round | 1/2" | Brad | 0000000 | 00000 |
| 17/32" | 0.5313" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 9/16" | 0.5625" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 19/32" | 0.5938" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 5/8" | 0.625" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 21/32" | 0.6563" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 11/16" | 0.6875" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 3/4" | 0.75" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 25/32" | 0.7813" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 13/16" | 0.8125" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 7/8" | 0.875" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 15/16" | 0.9375" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 1" | 1" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
| 1 1/16" | 1.0625" | 6" | 3" | Round | 1/2" | Brad | 0000000 | 00000 |
Metric | ||||||||
Uncoated High-Speed Steel | ||||||||
| 3.0 mm | 0.1181" | 70mm | 45mm | Round | 3mm | Brad | 00000000 | 00000 |
| 5.0 mm | 0.1969" | 90mm | 60mm | Round | 5mm | Brad | 00000000 | 00000 |
| 6.0 mm | 0.2362" | 100mm | 75mm | Round | 6mm | Brad | 00000000 | 00000 |
| 7.0 mm | 0.2756" | 110mm | 85mm | Round | 7mm | Brad | 00000000 | 00000 |
| 8.0 mm | 0.315" | 115mm | 89mm | Round | 8mm | Brad | 00000000 | 00000 |
| 9.0 mm | 0.3543" | 125mm | 100mm | Round | 9mm | Brad | 00000000 | 00000 |
| 10.0 mm | 0.3937" | 130mm | 105mm | Round | 10mm | Brad | 00000000 | 00000 |
| 14.0 mm | 0.5512" | 140mm | 110mm | Round | 10mm | Brad | 00000000 | 00000 |
| 15.0 mm | 0.5906" | 140mm | 110mm | Round | 10mm | Brad | 00000000 | 00000 |