供应GB/T837-1988开槽盘头不脱出螺钉
| | 开槽盘头不脱出螺钉(GB/T837-1988) | | |
螺纹规格d | M3 | M4 | M5 | M6 | M8 | M10 |
dk | max | 5.6 | 8 | 9.5 | 12 | 16 | 20 |
min | 5.3 | 7.64 | 9.14 | 11.57 | 15.57 | 19.48 |
k | max | 1.8 | 2.4 | 3 | 3.6 | 4.8 | 6 |
min | 1.6 | 2.2 | 2.8 | 3.3 | 4.5 | 5.7 |
n | 公称 | 0.8 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
min | 0.86 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 |
max | 1 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 |
rf | 参考 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
t | min | 0.7 | 1 | 1.2 | 1.4 | 1.9 | 2.4 |
w | min | 0.7 | 1 | 1.2 | 1.4 | 1.9 | 2.4 |
d ① | max | 2 | 2.8 | 3.5 | 4.5 | 5.5 | 7 |
min | 1.86 | 2.66 | 3.32 | 4.32 | 5.32 | 6.78 |
b | 4 | 6 | 8 | 10 | 12 | 15 |
r | min | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
c | ~ | 1 | 1.2 | 1.6 | 2 | 2.5 | 3 |
l | 10`25 | 12`30 | 14`40 | 20`50 | 25`60 | 30`60 |