|
Pilot Hole Sizes For Wood Screws |
| Screw Gauge # |
Shank Hole |
Pilot Soft Wood |
Pilot Hard Wood |
| 0 | 1/16 | 1/64 | 1/32 |
| 1 | 5/64 | 1/32 | 1/32 |
| 2 | 3/32 | 1/32 | 3/64 |
| 3 | 7/64 | 3/64 | 1/16 |
| 4 | 7/64 | 3/64 | 1/16 |
| 5 | 1/8 | 1/16 | 5/64 |
| 6 | 9/64 | 1/16 | 5/64 |
| 7 | 5/32 | 1/16 | 3/32 |
| 8 | 11/64 | 5/64 | 3/32 |
| 9 | 3/16 | 5/64 | 7/64 |
| 10 | 3/16 | 3/32 | 7/64 |
| 11 | 13/64 | 3/32 | 1/8 |
| 12 | 7/32 | 7/64 | 1/8 |
| 14 | 1/4 | 7/64 | 9/64 |
| 16 | 17/64 | 9/64 | 5/32 |
| 18 | 19/64 | 9/64 | 3/16 |
| 20 | 21/64 | 11/64 | 13/64 |