Chinese Standard: GB/T 1438.1-2008

Taper shank twist drills—Part 1:The types and dimensions for Morse taper shank twist drills

MOD  ISO 235:1980

全国刀具标准化技术委员会(SAC/TC 91)

GB/T 1438的本部分规定了莫氏锥柄麻花钻的型式和尺寸。
本部分适用于直径3.00　mm～100.00　mm的莫氏锥柄麻花钻。

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