About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Drill Bits for Wood Screws
These bits are cut to match a wood screw’s thread and diameter, resulting in a perfect fit for a screw. They produce clean edges when cutting soft and hard wood.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Screw Size  | Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | |||||||||
Uncoated High-Speed Steel | |||||||||
| No. 2 | 5/64" | 0.0781" | 2" | 1" | Round | 5/64" | Standard | 0000000 | 00000 |
| No. 2 | 5/64" | 0.0781" | 3 3/4" | 2 1/4" | Round | 5/64" | Standard | 00000000 | 00000 |
| No. 3 | 3/32" | 0.0938" | 2 1/4" | 1 1/4" | Round | 3/32" | Standard | 0000000 | 0000 |
| No. 3 | 3/32" | 0.0938" | 4 1/4" | 2 1/4" | Round | 3/32" | Standard | 00000000 | 00000 |
| No. 4 | 7/64" | 0.1094" | 2 5/8" | 1 1/2" | Round | 7/64" | Standard | 0000000 | 0000 |
| No. 4 | 7/64" | 0.1094" | 4 5/8" | 2 3/4" | Round | 7/64" | Standard | 00000000 | 00000 |
| No. 5 | 1/8" | 0.125" | 2 3/4" | 1.63" | Round | 1/8" | Standard | 0000000 | 0000 |
| No. 5 | 1/8" | 0.125" | 5 1/8" | 2 3/4" | Round | 1/8" | Standard | 00000000 | 00000 |
| No. 6 | 9/64" | 0.1406" | 2 7/8" | 1 3/4" | Round | 9/64" | Standard | 0000000 | 0000 |
| No. 6 | 9/64" | 0.1406" | 5 3/8" | 3" | Round | 9/64" | Standard | 00000000 | 00000 |
| No. 7 | 5/32" | 0.1563" | 3 1/8" | 2" | Round | 5/32" | Standard | 0000000 | 0000 |
| No. 7 | 5/32" | 0.1563" | 5 3/8" | 3" | Round | 5/32" | Standard | 00000000 | 00000 |
| No. 8 | 11/64" | 0.1719" | 3 1/4" | 2.13" | Round | 11/64" | Standard | 0000000 | 0000 |
| No. 8 | 11/64" | 0.1719" | 5 3/4" | 3.38" | Round | 11/64" | Standard | 00000000 | 00000 |
| No. 9 | 3/16" | 0.1875" | 3 1/2" | 2.31" | Round | 3/16" | Standard | 0000000 | 0000 |
| No. 9 | 3/16" | 0.1875" | 5 3/4" | 3.38" | Round | 3/16" | Standard | 00000000 | 00000 |
| No. 10 | 13/64" | 0.2031" | 3 5/8" | 2.44" | Round | 13/64" | Standard | 0000000 | 0000 |
| No. 10 | 13/64" | 0.2031" | 6" | 3.63" | Round | 13/64" | Standard | 00000000 | 00000 |
| No. 12 | 7/32" | 0.2188" | 3 3/4" | 2 1/2" | Round | 7/32" | Standard | 0000000 | 0000 |
| No. 12 | 7/32" | 0.2188" | 6" | 3.63" | Round | 7/32" | Standard | 00000000 | 00000 |
| No. 14 | 1/4" | 0.25" | 4" | 2 3/4" | Round | 1/4" | Standard | 0000000 | 0000 |
| No. 14 | 1/4" | 0.25" | 6 1/8" | 3 3/4" | Round | 1/4" | Standard | 00000000 | 00000 |
| No. 16 | 9/32" | 0.2813" | 4 1/4" | 2.94" | Round | 9/32" | Standard | 0000000 | 00000 |
| No. 16 | 9/32" | 0.2813" | 6 1/4" | 3.88" | Round | 9/32" | Standard | 00000000 | 00000 |
| No. 18, No. 20 | 5/16" | 0.3125" | 4 1/2" | 3.19" | Round | 5/16" | Standard | 0000000 | 00000 |
| No. 18, No. 20 | 5/16" | 0.3125" | 6 3/8" | 4" | Round | 5/16" | Standard | 00000000 | 00000 |