Description: Drillpro 10pcs 0.8-3mm Carbide PCB Drill Bits Engraving Milling Cutter for CNC Rotary Burrs   Specification: Material: Carbide (tungsten steel) Shank Diameter: 3.175mm Cutting 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: 12mm Overall Length: 37mm Quantity: 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: