Screw Machine Tap Size Chart
Screw Machine Tap Size Chart
| Size | Diamater (Decimal) | Nearest Fraction |
| #0 | 0.06" | 1/16" |
| #1 | 0.073" | 5/64" |
| #2 | 0.086" | 3/32" |
| #3 | 0.099" | 7/64" |
| #4 | 0.112" | 7/64" |
| #5 | 0.125" | 1/8" |
| #6 | 0.138" | 9/64" |
| #8 | 0.164" | 5/32" |
| #10 | 0.190" | 3/16" |
| #12 | 0.216" | 7/32" |