GB6562-86表1mm螺纹规格M2.5M3M4M5M6P0.450.50.70.8max0.911.41.62min1218243035理论值max5.56.39.410.412.6max4.75.58.49.311.3实际值min4.45.288.910.9f0.60.711.21.4Kmax1.51.652.72.73.3rmax0.60.811.31.5必569.59.512槽号No%3十字槽参考33.45.25.47.3(什型)插入min1.51.82.72.93.5深度max1.852.23.23.44Xmax1.11.251.7522.5公称minmax65.76.3商87.78.3109.710.3晶1211.612.4规(14)13.614.41615.616.4格2019.620.42624.625.4范3029.630.43534.535.5围4039.540.5注：尽可能不采用括号内的规格。P一螺距。d的理论值按GB5279规定，公称长度在虚线以上的螺钉，制出全螺纹Cb=一(k十)。2
