M3-M10 HSS Counterbore End Mill 4Flute Pilot Slotting Tool for Milling UK
Type: Counterbore End Mill. 3Pcs Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter 4-12/20/32mm. Can milling of copper, aluminum, tool steel, cast iron, etc. Used to be assembled on milling machine.