1/5/7PCS M3-M16 HSS Counterbore End Mill 4Flute Pilot Slotting Tool for Milling
Type : Counterbore End Mill. 10PCS 3Edge Pyramid Engraving Bits 3.175mm Shank 0.1-0.3mm CNC Milling Cutter. Can milling of copper, aluminum, tool steel, cast iron, etc. Used to be assembled on milling machine.