Description:10pcs 0.8-3mm PCB Drill Bits Carbide Engraving Milling Cutter for CNC Rotary Burrs Specification:Material: Carbide (tungsten steel)Shank Diameter: 3.175mmCutting Edge Diameter: 0.8-3.175mm ( 0.8、1.0、1.2、1.4、1.6、1.8、2.0、2.2、2.4、3.17mm)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: