Thread Diameter Table For Metric External Thread
Thread diameter and inner diameter, has its own standards, some users will be specially on thread diameter tolerance annotation is not necessary (except there is a requirement for specific use of outside diameter), under the table, with metric coarse thread thread diameter in MM: metric external thread 60 ° coarse thread thread diameter table:
| Size | Pitch | Diameter of thread | Rub and roll the diameter of the teeth | |
| Max | Min | ±0.02 | ||
| M1.4 | 0.3 | 1.38 | 1.34 | 1.16 |
| M1.7 | 0.35 | 1.68 | 1.61 | 1.42 |
| M2.0 | 0.4 | 1.98 | 1.89 | 1.68 |
| M2.3 | 0.4 | 2.28 | 2.19 | 1.98 |
| M2.5 | 0.45 | 2.48 | 2.38 | 2.15 |
| M3.0 | 0.5 | 2.98 | 2.88 | 2.6 |
| M3.5 | 0.6 | 3.47 | 3.36 | 3.02 |
| M4.0 | 0.7 | 3.98 | 3.83 | 3.4 |
| M4.5 | 0.75 | 4.47 | 4.36 | 3.88 |
| M5.0 | 0.8 | 4.98 | 4.83 | 4.3 |
| M6.0 | 1 | 5.97 | 5.82 | 5.18 |
| M7.0 | 1 | 6.97 | 6.82 | 6.18 |
| M8.0 | 1.25 | 7.96 | 7.79 | 7.02 |
| M9.0 | 1.25 | 8.96 | 8.79 | 8.01 |
| M10 | 1.5 | 9.96 | 9.77 | 8.84 |
| M11 | 1.5 | 10.97 | 10.73 | 9.84 |
| M12 | 1.75 | 11.95 | 11.76 | 10.7 |
| M14 | 1.75 | 13.95 | 13.74 | 12.5 |
| M16 | 2 | 15.95 | 15.74 | 14.5 |
| M18 | 2 | 17.95 | 17.71 | 16.2 |
| M20 | 2.5 | 19.95 | 19.71 | 18.2 |