4Flutes M3-M16 1/5/7PCS HSS Counterbore End Mill Pilot Slotting Tool for Milling
Type : Counterbore End Mill. 1/5/7PCS M3-M16 HSS Counter bore End Mill 4Flute Pilot Slotting Tool for Milling. Can milling of copper, aluminum, tool steel, cast iron, etc. Used to be assembled on milling machine.