1/5/7PCS M3-M16 HSS Counterbore End Mill 4Flute Pilot Slotting Tool for Milling
Type : Counterbore End Mill. Can milling of copper, aluminum, tool steel, cast iron, etc. Used to be assembled on milling machine. 1pc HSS End Mill. 1PC 3Flutes Countersink Drill Bits 20.5/25/30mm 90 Degree HSS Chamfering Cutter.