标准编号：ISO 494:2017
中文名称：圆柱柄长麻花钻 长系列
英文名称：Cylindrical shank twist drills — Long series
发布日期：2017-02
标准范围
This document specifies the dimensions of cylindrical shank twist drills having working lengths in the long series.The cylindrical shank jobber and stub series drills and Morse taper shank drills are given in ISO 235.
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