| 存在正负公差特别在意者甚拍，螺母、平垫圈、挡圈等尺寸：以配套使用的螺丝的直径(粗细)为准单位：mm | ||||||
| 公称直径 D | 螺距P | h | m min | s | ||
| max | min | max | min | |||
| M2 | 0.4 | 3 | 2.86 | 2.0 | 4 | 3.82 |
| M2.5 | 0.45 | 3.8 | 3.6 | 2.3 | 5 | 4.78 |
| M3 | 0.5 | 4 | 3.7 | 2.4 | 5.5 | 5.32 |
| M4 | 0.7 | 5 | 4.7 | 2.9 | 7 | 6.78 |
| M5 | 0.8 | 5 | 4.7 | 3.2 | 8 | 7.68 |
| M6 | 1 | 6 | 5.7 | 4 | 10 | 9.78 |
| M7 | 1 | 7.5 | 7.14 | 4.7 | 11 | 10.73 |
| M8 | 1/1.25 | 8 | 7.64 | 5.5 | 13 | 12.73 |
| M10 | 1/1.25/1.5 | 10 | 9.64 | 6.5 | 17 | 16.73 |
| M12 | 1.25/1.5/1.7 | 12 | 11.57 | 8 | 19 | 18.67 |
| M14 | 1.5/2 | 14 | 13.3 | 9.5 | 22 | 21.67 |
| M16 | 1.5/2 | 16 | 15.3 | 10.5 | 24 | 23.67 |
| M18 | 1.5/2/2.5 | 18.5 | 17.66 | 13 | 27 | 26.16 |
| M20 | 1.5/2/2.5 | 20 | 18.7 | 14 | 30 | 29.16 |
| M22 | 1.5/2/2.5 | 22 | 20.7 | 15 | 32 | 31 |
| M24 | 2/3 | 24 | 22.7 | 15 | 36 | 35 |
| M27 | 2/3 | 27 | 25.7 | 14 | 41 | 40 |
| M30 | 2/3.5 | 30 | 28.7 | 19 | 46 | 45 |
