带圆柱柄莫氏锥柄的莫氏锥度和公制锥度精加工铰刀

[中文适用范围]： 本文件指定了圆柱和莫式锥柄底孔锪钻的尺寸，用于制造自夹紧锥形插座。该标准适用于以下类型：- 莫式锥柄，编号0至6；- 公制锥柄，编号4、5和6。注：除非另有规定，否则这些锪钻均为右手法则切削。 [外文原描述]： ISO 2250:2017 specifies the dimensions of cylindrical shank socket reamers and taper shank socket reamers manufactured to produce self-holding taper sockets for self-holding taper shanks of the following designations, and which are in accordance with ISO 296: - metric tapers no. 4 and no. 6; - Morse tapers no. 0 to no. 6 inclusive. NOTE Unless otherwise stated, these reamers are right-hand cutting.