BT/BYB微切削搪孔刀杆BT40×BYB19-120BT40×BYB22-135BT40×BYB29-150BT40×BYB29-180BT40×BYB38-150BT40×BYB38-210BT40×BYB48-150BT40×BYB48-210BT40×BYB62-150BT40×BYB62-210BT40×BYB82-150BT40×BYB82-210BT/BYB微切削搪孔刀杆BT50×BYB19-135BT50×BYB22-150BT50×BYB29-150BT50×BYB29-180BT50×BYB38-165BT50×BYB38-225BT50×BYB48-165BT50×BYB48-210BT50×BYB48-255BT50×BYB62-180BT50×BYB62-240BT50×BYB62-330BT50×BYB82-165BT50×BYB82-240BT50×BYB82-315)