GB/T6177.1-20160.750.75m。是板拧高度，见表1注：0=90120，B=1530：08=1525:ee在don处测量：棱边形状由制造者任选。图1表1尺寸单位为毫米螺纹规格DM5M6M8M10M12(M14)PM16M20p0.81.251.51.75222.5min1.01.11.21.51.82.12.43.0max5.756.758.7510.8013.0015.1017.3021.60min5.006.008.0010.0012.0014.0016.0020.00demax11.814.217.921.826.029.934.542.8d.min9.812.215.819.623.827.631.939.9min8.7911.0514.3816.6420.0323.3626.7532.95max5.006.008.0010.0012.0014.0016.0020.00min4.705.707.649.6411.5713.3015.3018.70min2.53.14.65.66.87.78.910.7
