DIN84-1990 开槽圆柱头螺钉标准
开槽圆柱头螺钉
执行标准：DIN84-1990
| 公称直径 d | 螺距 P | b min | dk | k | n | t min | |||
| max | min | max | min | max | min | ||||
| M1 | 0.25 | 25 | 2 | 1.36 | 0.7 | 0.56 | 0.45 | 0.31 | 0.25 |
| M1.2 | 0.25 | 25 | 2.3 | 2.16 | 0.8 | 0.66 | 0.5 | 0.36 | 0.3 |
| M1.4 | 0.3 | 25 | 2.6 | 2. 46 | 0.9 | 0.76 | 0.5 | 0.36 | 0.4 |
| M1.6 | 0.35 | 25 | 3 | 2.86 | 1 | 0.68 | 0.6 | 0.46 | 0.45 |
| M1.8 | 0.35 | 25 | 3.4 | 3.22 | 1.2 | 1.06 | 0.6 | 0.46 | 0.5 |
| M2 | 0.4 | 25 | 3.8 | 3.62 | 1.3 | 1.16 | 0.7 | 0.56 | 0.6 |
| M2.5 | 0.45 | 25 | 4.5 | 4.32 | 1.6 | 1.46 | 0.8 | 0.66 | 0.7 |
| M3 | 0.5 | 25 | 5.5 | 5.32 | 2 | 1.86 | 1 | 0.86 | 0 85 |
| M3.5 | 0.6 | 38 | 6 | 5.82 | 2.4 | 2.26 | 1.2 | 1.06 | 1 |
| M4 | 0.7 | 38 | 7 | 6.78 | 2.6 | 2.46 | 1.51 | 1.26 | 1.1 |
| M5 | 0.8 | 38 | 8.5 | 8.28 | 3.3 | 3.12 | 1.51 | 1.26 | 1.3 |
| M6 | 1 | 38 | 10 | 9.78 | 3.9 | 3.6 | 1.91 | 1.66 | 1.6 |
| M8 | 1.25 | 38 | 13 | 12.73 | 5 | 4.7 | 2.31 | 2.06 | 2 |
| M10 | 1.5 | 38 | 16 | 15.73 | 6 | 5.7 | 2.81 | 2.56 | 2.4 |