螺栓参数单位：mm公称直径dM12M16M20M22M24M27M30螺距P1.7522.52.5333.5k公称7.51012.514151718.7max7.9510.7513.414.915.917.919.75min7.059.2511.613.114.116.117.65smax21273436414650min20.1626.163335404549dsmax12.4316.4320.5222.5224.5227.8430.84min11.5715.5719.4821.4823.4826.1629.16螺母参数单位：mm公称直径D螺距pmsmaxminmaxminM121.7512.311.872120.16M16217.116.42726.16M202.520.719.43433M222.523.622.33635M24324.222.94140M27327.626.34645M303.530.729.15049垫圈参数单位:mm规格12162022242730dmin13172123252831max13.4317.4321.5223.5225.5228.5231.62dcmin23.731.438.440.445.450.154.1max25334042475256hmin2.53.53.54.54.54.54.5max3.84.84.85.85.85.85.8D1min15.2319.2324.3226.3228.3232.8435.84max16.0320.0325.1227.1229.1233.6436.64每1000件钢制品的质量=kg10.4723.430.5543.3455.7666.5275.42
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