Chinese Standard: GB/T 4247-2017

Machine bridge reamers with Morse taper shanks

IDT  ISO 2238:2011

全国刀具标准化技术委员会(SAC/TC 91)

本标准规定了莫氏锥柄机用桥梁铰刀的型式和尺寸。本标准用毫米为单位给出了直径范围d1从6 mm至50.8 mm的桥梁铰刀的下列尺寸：
——总长l3；
——总切削刃长度l2；
——锥形切削刃长度l1。
除另有说明外，这些铰刀均制成右切削。

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