钨钢合金直柄麻花钻适合加工：模具钢，铸铁，钛合金，铜，铝。主要用于：工件各种直接孔，螺纹孔，定位孔的加工。未注公差为1-0.01螺旋角为30°钻尖为118°我厂接受非标刀具的订购，欢迎前来洽谈选购。 规格如下：刃径(d)全长(L)刃长(l)0.5~0.73060.8~0.93081.0~1.730101.2~1.4351215~1.735141.8~1.940162.0~2.440182.5~3.040203.1~3.950254.0~5.050285.1~6.060306.1~7.060327.1~11703811.1~12703812.1~148040169045