Cylindrical shank twist drills — Long series
圆柱柄螺旋钻 - 长系列
发布日期:
2017-02-24
ISO 494:2017规定了长系列工作长度圆柱柄麻花钻的尺寸。
ISO 235中给出了圆柱柄、短柄系列钻头和莫氏锥柄钻头。
ISO 494:2017 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.