Thread Information
Male Rolled Threads
| Thread Size | ISO Pitch Coarse | Rod Dia |
|---|---|---|
| M4 | 0.7 | 3.43 / 3.48 |
| M5 | 0.8 | 4.34 / 4.39 |
| M6 | 1.0 | 5.23 / 5.28 |
| M8 | 1.25 | 7.06 / 7.11 |
| M10 | 1.5 | 8.86 / 8.91 |
| M12 | 1.75 | 10.72 / 10.77 |
| Thread Size | UNF Pitch | Rod Dia |
|---|---|---|
| 10-32 | 32 | .165 / .167 |
| 1/4 | 28 | .222 / .224 |
| 5/16 | 24 | .278 / .280 |
| 3/8 | 24 | .341 / .343 |
| 7/16 | 20 | .396 / .398 |
| 1/2 | 20 | .460 / .462 |
Female Cut Threads
| Thread Size | ISO Pitch Coarse | Tapping Drill(mm) |
|---|---|---|
| M4 | 0.7 | 3.3 |
| M5 | 0.8 | 4.2 |
| M6 | 1.0 | 5.0 |
| M8 | 1.25 | 6.8 |
| M10 | 1.5 | 8.5 |
| M12 | 1.75 | 10.2 |
| M14 | 2.0 | 12.0 |
| M16 | 2.0 | 14.0 |
| M18 | 2.5 | 15.5 |
| M20 | 2.5 | 17.5 |
| Thread Size | UNF Pitch | Tapping Drill (mm) |
|---|---|---|
| 10-32 | 32 | 4.1 |
| 1/4 | 28 | 5.5 |
| 5/16 | 24 | 6.9 |
| 3/8 | 24 | 8.5 |
| 7/16 | 20 | 9.9 |
| 1/2 | 20 | 11.5 |