CO3.BT30.450四瓣爪OTT内螺纹BT30_45°拉刀爪9106H-41拉刀爪/P30T-45°高速四瓣爪/bt30外螺纹主轴拉爪CB3.BT30.450四瓣爪Berg外螺纹BT30_45°拉刀爪 9105-43拉刀爪/OTT-BT30-45°四瓣爪/bt30内螺纹主轴拉爪