Chinese Standard: GB/T 25667.3-2010

Solid carbide twist drills with parallel shank—Part 3:Technical specifications

全国刀具标准化技术委员会(SAC/TC 91)

GB/T 25667的本部分规定了整体硬质合金直柄麻花钻(以下均简称“麻花钻”)的尺寸、结构、材料、外观和表面粗糙度、标志和包装的技术要求。
本部分适用于按GB/T 25667.1和GB/T 25667.2生产的整体硬质合金直柄麻花钻。

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