Chinese Standard: GB/T 10947-2006

Taper shank twist drills with carbide tips

全国刀具标准化技术委员会(SAC/TC 91)

本标准规定了硬质合金锥柄麻花钻的型式和尺寸、技术要求、标志和包装的基本要求。
本标准适用于直径d为10 mm～30 mm的硬质合金锥柄麻花钻。

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