Item Type: Chamfer End Mill Material: Tungsten steel Chamfer: 90 Application: Aluminum and copper milling cutter tools, engraving milling cutter bits Specification: D12 x 90 x 75L Tip Diameter: Approx. 12mm / 0.5in Shank Diameter: Approx. 12mm / 0.5in Total Length: Approx. 75mm / 3in D10 x 90 x 75L Tip Diameter: Approx. 10mm / 0.4in Shank Diameter: Approx. 10mm / 0.4in Total Length: Approx. 75mm / 3in D8 x 90 x 60L Tip Diameter: Approx. 8mm / 0.3in Shank Diameter: Approx. 8mm / 0.3in Total Length: Approx. 60mm / 2.4in D6 x 90 x 50L Tip Diameter: Approx. 6mm / 0.2in Shank Diameter: Approx. 6mm / 0.2in Total Length: Approx. 50mm / 2in D3 x 90 x 50L Tip Diameter: Approx. 3mm / 0.1in Shank Diameter: Approx. 3mm / 0.1in Total Length: Approx. 50mm / 2in D4 x 90 x 50L Tip Diameter: Approx. 4mm / 0.2in Shank Diameter: Approx. 4mm / 0.2in Total Length: Approx. 50mm / 2in1The chamfering tool is mainly used for 90 chamfering or taper hole processing on the workpiece. 2The unique one-piece design makes the debris generated during the cutting process easier to fall without clogging the tool. 3The chamfering knife is designed with 3 flutes, which can complete the operation of conical surface at one time, and is suitable for small cutting amount. 4The professional chamfer design can polish and engrave the workpiece without unloading. 5The chamfering tool has standard size and can be used as an aluminum?copper milling cutter tool and an engraving milling cutter head. 1 x Chamfer End Mill