Description: 10Pcs 3.175mm Shank V-shape PCB Engraving Drill Bit Single Grooving Flat Bottom 0.8-3mm CNC Router Mill Carbide Milling Cutter Engraving Tool. Specifications: Product Name:V-shape PCB Engraving Drill Bit; Material:Carbide; Type:Engraving Bit; Shank:3.175mm(1/8''); Diameter:0.8mm 1.0mm 1.5mm 2.0mm 3.0mm; Application:Majority of plastics and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etc; Quantity:10 Pcs × PCB Engraving Drill Bit; Features: - Carbide rods and tungsten steel rods. - With high hardness, high wear resistance, high strength, resistance to bending. - Improve the speed and feed rate of the tool ,Improve the surface wear resistance. - Range of processing: PCB, SMT, the CNC, mold, plastic, copper, stainless steel and other precision metal parts processing. Package Included: 10 Pcs × PCB Engraving Drill Bit (0.8/1.0/1.5/2.0/3.0mm Optional)