JG/T5057.10-1995表2内六角圆柱头螺钉的长度及螺纹长度系列mm螺纹规格d12141618品2224273033363942b(参考值)公称minmax20192536341.346.351.3556.561.5566.53671.54076.5581.5488386.75235633101.7060663106.783111.772113.378116.784118.3121.71231271323614215240158162168441721781824852187.7192.3197.7202.356217.7222.360237.7242.366257.4262.672277.4282.678297.4302.684317.2322.890337.2342.896357.2362.8380377.2382.88397.2402.8416.9423.1450446.9453.1注：康线以上的长度，螺纹制到距头部3P(螺距)以内。47
