DIN551-1986 开槽平端紧定螺钉标准
开槽平端紧定螺钉
执行标准：DIN551-1986
| 公称直径 d | 螺距P | dp | n | t | |||
| max | min | max | min | max | min | ||
| M1 | 0.25 | 0.5 | 0.25 | 0.4 | 0.26 | 0.52 | 0.4 |
| M1.2 | 0.25 | 0.6 | 0.35 | 0.4 | 0.26 | 0.52 | 0.4 |
| M1.4 | 0.3 | 0.7 | 0.45 | 0.4 | 0.26 | 0.63 | 0.48 |
| M1.6 | 0.35 | 0.8 | 0.55 | 0.45 | 0.31 | 0.74 | 0.56 |
| M2 | 0.4 | 1 | 0.75 | 0.45 | 0.31 | 0.84 | 0.64 |
| M2.5 | 0.45 | 1.5 | 1.25 | 0.6 | 0.46 | 0.95 | 0.72 |
| M3 | 0.5 | 2 | 1.75 | 0.6 | 0.46 | 1.05 | 0.8 |
| M3.5 | 0.6 | 2.2 | 1.95 | 0.7 | 0.56 | 1.21 | 0.96 |
| M4 | 0.7 | 2.5 | 2.25 | 0.3 | 0.66 | 1.42 | 1.12 |
| M5 | 0.8 | 3.5 | 3.2 | 1 | 0.86 | 1.63 | 1.28 |
| M6 | 1 | 4 | 3.7 | 1.2 | 1.06 | 2 | 1.6 |
| M8 | 1.25 | 5.5 | 5.2 | 1.51 | 1.26 | 2.5 | 2 |
| M10 | 1.5 | 7 | 6.64 | 1.91 | 1.66 | 3 | 2.4 |
| M12 | 1.75 | 8.5 | 3.14 | 2.31 | 2.06 | 3.6 | 2.8 |