管螺纹1

连接与紧固 | 螺纹和螺纹连接 | 螺纹 | 管螺纹

(GB/T7306.1~7306.2),RP|钻(扩)孔底径D0Z,RP|车(镗)孔底径D0T,Rc|锥孔坯底径D0b,Rc|锥孔坯|底径D0J,Rc|锥孔坯|锥孔大径D01,Rc|底孔深Lon ma ...