DIN 802-6:2003
生产螺纹丝工线状公差.第6部分:ISO米制粗螺纹和细螺纹用符合DIN 8140的接触钢丝螺套螺纹孔的磨牙丝锥.
Manufacturing to tolerances on the threaded portion of screwing taps - Part 6: Ground taps for tapped holes (EG) for wire thread inserts as in DIN 8140 for ISO metric coarse and fine pitch threads