Wood Screw Size Chart
| Size | Major Thread Diameter* | |
| Decimal | Nearest Fractional Measurement | |
| #0 | .060" | 1/16" |
| #1 | .073" | 5/64" |
| #2 | .086" | 3/32" |
| #3 | .099" | 7/64" |
| #4 | .112" | 7/64" |
| #5 | .125" | 1/8" |
| #6 | .138" | 9/64" |
| #7 | .151" | 5/32" |
| #8 | .164" | 5/32" |
| #9 | .177" | 11/64" |
| #10 | .190" | 3/16" |
| #11 | .203" | 13/64" |
| #12 | .216" | 7/32" |
| #14 | .242" | 1/4" |
| #16 | .268" | 17/64" |
| #18 | .294" | 19/64" |
| #20 | .320" | 5/16" |