Description Drillpro DB M8 10pcs 0 8 3mm Carbide PCB Drill Bits Engraving Milling Cutter for CNC Rotary Burrs Specification Brand DrillproModel DB M8Material Carbide tungsten steel Shank Diameter 3 175mmCutting Edge Diameter 0 8 3 0mm 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 3 0mm Cutting Edge Length 12mmOverall Length 37mmQuantity 1set 10pcs Features 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 Application PCB SMT CNC Mould pastic fiber carbon fiber super hard wood printed circuit board other precision parts processing Package Included 10pcs PCB Drill Bit More Details