10Pcs 3.175mm Shank V-shaped CNC Milling Cutter 20 or 30 or 45 or 60 or 90 Angle Engraving Bit CNC Planer Drill Bit. Specifications: Product Name:CNC Milling Cutter Material:Tungsten Steel Shank Diameter:3.175mm Tip Diameter:0.1mm Cutting Angle:20 or 30 or 45 or 60 or 90 Features: -High Compatibility:Engraving bit replacement for engraver, CNC router. -Premium Material:Made of tungsten steel, durable and long service life. -Excellent Design:Designed with 3 cutting edges in the shape of a pyramid, high concentricity and hard to break off. -Application:Suitable for the rotary engraving and marking of Copper, Aluminum, Jade, Redwood, Hardwood, Acrylic, Color Plates, PVC, MDF and PCB etc. Package Included: 2 X20Engraving Bit 2 X 30Engraving Bit 2 X45Engraving Bit 2 X 60Engraving Bit 2 X 90Engraving Bit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.