Tolerances on the threaded portion of taps - Part 6: Ground taps for tapped holes (EG) for wire thread inserts according to DIN 8140 for ISO metric coarse and fine pitch threads; Manufacturing tolerances on the threaded portion
丝锥螺纹部分公差的制造.第6部分:DIN 8140中ISO米制粗牙和细牙螺纹用钢丝螺纹嵌件螺纹孔(EG)用磨制丝锥