Q150B六角螺栓标准
Q150B六角螺栓标准
单位:毫米mm
螺纹规格 d |
螺距 | b | ds | k | S | |||||
P | L≤125 | 125<L≤200 | max | min | 公称 | mx | min | max | min | |
M3 | 0.50 | 12 | / | 3 | 2.86 | 2 | 2.125 | 1.875 | 5.5 | 5.32 |
M4 | 0.70 | 14 | / | 4 | 3.82 | 2.8 | 2.925 | 2.675 | 7 | 6.78 |
M5 | 0.80 | 16 | / | 5 | 4.82 | 3.5 | 3.65 | 3.35 | 8 | 7.78 |
M6 | 1.00 | 18 | / | 6 | 5.82 | 4 | 4.15 | 3.85 | 10 | 9.78 |
M8 | 1.25 | 22 | / | 8 | 7.78 | 5.3 | 5.45 | 5.15 | 13 | 12.73 |
M10 | 1.50 | 26 | / | 10 | 9.78 | 6.4 | 6.58 | 6.22 | 16 | 15.73 |
Ml2 | 1.75 | 30 | / | 12 | 11.73 | 7.5 | 7.68 | 7.32 | 18 | 17.73 |
Ml4 | 2.00 | 34 | 40 | 14 | 13.73 | 8.8 | 8.98 | 8.62 | 21 | 20.67 |
Ml6 | 2.00 | 38 | 44 | 16 | 15.73 | 10 | 10.18 | 9.82 | 24 | 23.67 |
Ml8 | 2.50 | 42 | 48 | 18 | 17.73 | 11.5 | 11.175 | 11.285 | 27 | 26.67 |
M20 | 2.50 | 46 | 52 | 20 | 19.67 | 12.5 | 12.715 | 12.285 | 30 | 29.67 |
M22 | 2.50 | 50 | 56 | 22 | 21.67 | 14 | 14.215 | 13.785 | 34 | 33.38 |
M24 | 3.00 | 54 | 60 | 24 | 23.67 | 15 | 15.215 | 14.785 | 36 | 35.38 |
d=M12,L=50,性能等级8.8,镀锌钝化的六角头螺栓编号为Q150B1250
d=M12,L=50,性能等级5.8,镀锌钝化的六角头螺栓编号为Q150B1250S
d=M12,L=50,性能等级10.9,防蚀磷化的六角头螺栓编号为Q150B1250F T2
d=M12,L=50,性能等级8.8,镀锌钝化并预涂M级密封胶的六角头螺栓编号为Q150B1250M
该类标准件盐雾试验多少小时