?米制螺纹丝锥

... tap for metric fine thread 米制细牙螺纹丝锥 tap for metric thread 米制螺纹丝锥 tap for taper thread 锥形螺纹丝锥 ...

?公制螺纹丝锥

... 公制螺纹螺距范围 range of metric thread cut; 公制螺纹丝锥 tap for metric thread; 公制螺纹头数 number of metric threads cut; ...