螺纹基本尺寸对照表

螺纹基本尺寸对照表Tag内容描述：<p>1、英制管螺纹基本尺寸及公差（牙形角55） BSPP螺纹代号基本直径内螺纹外螺纹大径中径小径中径公差小径公差A级B级中径公差大径公差中径公差大径公差G1/8289.7289.1478.566+0.170+0.28200-0.1070-0.2140-0.2140-0.214G1/41913.15712.30111.445+0.125+0.445-0.125-0.250-0.2500-0.250G3/81916.66215.80614.950+0.1250+0.44500-0.1250-0.2500-0.2500-0.250G1/21420.95519.79318.631+0.1420+0.54100-0.1420-0.2840-0.284。</p><p>2、英制管螺纹基本尺寸及公差（牙形角55） BSPP螺纹代号基本直径内螺纹外螺纹大径中径小径中径公差小径公差A级B级中径公差大径公差中径公差大径公差G1/8289.7289.1478.566+0.170+0.28200-0.1070-0.2140-0.2140-0.214G1/41913.15712.30111.445+0.125+0.445-0.125-0.250-0.2500-0.250G3/81916.66215.80614.950+0.1250+0.44500-0.1250-0.2500-0.2500-0.250G1/21420.95519.79318.631+0.1420+0.54100-0.1420-0.2840-0.284。</p><p>3、______________________________________________________________________________________________________________ 螺纹基本尺寸对照表 （以及螺纹底孔相关尺寸） 参照机械设计师首册编制。</p><p>4、英制管螺纹基本尺寸及公差（牙形角55） BSPP螺纹代号基本直径内螺纹外螺纹大径中径小径中径公差小径公差A级B级中径公差大径公差中径公差大径公差G1/8289.7289.1478.566+0.170+0.28200-0.1070-0.2140-0.2140-0.21。</p>