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. 5PC : M3,M4,M5,M6,M8. 7PC: M3,M4,M5,M6,M8,M10,M12.