螺纹基本尺寸对照表

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Gl/8" X289.7289.1478.566+0.170+0.28200-0.1070-0.2140