Description Drillpro DB M1 10Pcs 0 8 3mm Titanium Coated PCB Bits Carbide Engraving Milling Cutter For CNC Rotary Burrs Specification Product NamePCB BitsBrandDrillproModelDB M1MaterialCarbide tungsten steel Surface TreatmentTitanium CoatedShank Diameter3 175mmCutting Edge Diameter0 8 3mm 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 3 0mm Cutting Edge Length12mmOverall Length37mmApplicationPCB SMT CNC Mould pastic fiber carbon fiber super hard wood printed circuit board other precision parts processing Quantity10 Pcs x PCB BitsFeatures 1 use of ultra fine grain carbide material with good milling cutting performance ensure high work efficiency 2 have sufficient bending strength and wear resistance High hardness high wear resistance high strength 3 sharp cutting edge milling hole and plate edge surface clean neat no glitches Package Included 10 Pcs x PCB BitsMore Details