ISO 494:2009 圆柱柄长麻花钻

标准编号：ISO 494:2009

中文名称：圆柱柄长麻花钻

英文名称：Cylindrical shank twist drills — Long series

发布日期：2009-03

标准范围

ISO 494:2009规定了长系列工作长度圆柱柄麻花钻的尺寸。

ISO 494:2009 specifies the dimensions of cylindrical shank twist drills, having working lengths in the long series.