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校准部分减短的机用和手用丝锥俄罗斯姊妹河工具厂开发了一种在碳素结构钢、合金结构用和灰铸铁的速孔成立孔导件中攻制6II级精度的M12~M39米制螺纹(3(Xyl’-470—sl)和A级精度的of/y~off/y圆往管螺纹(rCKfl’6357一@1)用...
Calibration of partially shortened machine and hand taps Russia’s Sister River Tool Works has developed a 6-12-level M12 to M39 metric-meter accuracy hole-formed hole guide in carbon structural steel, alloy construction and gray cast iron Thread (3 (Xyl’-470-sl) and Grade A precision of / y ~ off / y round pipe thread (rCKfl’6357-1 1) with ...