Description 10pcs 1 1 5 2 2 5 3mm Carbide End Mill Cutter PCB Drill BitsSpecification MaterialCarbide tungsten steel Shank Diameter3 175mmCutting Edge Diameter1 1 1 5 1 5 2 2 2 5 2 5 3 3mmCutting Edge Length 7 7 8 5 8 5 9 5 9 5 10 5 10 5 12 5 12 5mmOverall Length38mmSuitable ForPCB SMT CNC Mould pastic fiber carbon fiber super hard wood printed circuit board other precision parts processing Features Use of ultra fine grain carbide material with good milling cutting performance ensure high work efficiency have sufficient bending strength and wear resistance High hardness high wear resistance high strength sharp cutting edge milling hole and plate edge surface clean neat no glitches Package Included 10 x End Mill CutterMore Details