DIN478-1985 四方头带垫紧定螺钉标准
四方头带垫紧定螺钉
执行标准:DIN478-1985
公称直径d | M5 | M6 | M8 | M10 | Ml 2 | Ml 6 | M20 | M24 | |
螺距p | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | |
b | 1≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 | 54 |
1>125 | / | / | / | 32 | 36 | 44 | 52 | 60 | |
c | max | 2.12 | 2.12 | 2.12 | 3.12 | 3.12 | 4.15 | 5.15 | 6.15 |
min | 1.88 | 1.88 | 1.88 | 2.88 | 2.88 | 3.85 | 4.85 | 5.85 | |
dc | max | 9.5 | 10.5 | 13.5 | 16.5 | 19.5 | 25 | 31 | 36 |
min | 8.92 | 9.8 | 12.8 | 15.8 | 18.66 | 24.16 | 30 | 35 | |
ds | max | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 24 |
min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 15.73 | 19.67 | 23.67 | |
k | max | 7.18 | 8.18 | 10.18 | 13.22 | 15.22 | 20.26 | 25.26 | 28.26 |
min | 6.82 | 7.82 | 9.32 | 12.78 | 14.78 | 19.74 | 24.74 | 27.74 | |
s | max | 5 | 6 | 8 | 10 | 13 | 16/17 | 21/22 | 24 |
min | 4.82 | 5.82 | 7.78 | 9.78 | 12.73 | 15. 73/16. 73 | 20. 67/21. 67 | 23.67 |