Solid carbide twist drills with parallel shank—Part 2:The types and dimensions for parallel shank twist drills with 2°angular flats
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2°斜削平直柄麻花钻(以下简称“麻花钻”)的型式与尺寸。
本部分适用于直径为2.9 mm～20 mm的麻花钻。
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