This carving tool is made of imported tungsten steel alloy material and nano-coating, which better improves the wear resistance, heat resistance and corrosion resistance of the knife body, and the welding is firm and not easy to break.1. Spiral cutter head design The cutting edge is sharp, the chips are flat and smooth, and it is not easy to stick to the knife. The scientific groove design increases the chip removal. 2. Shank diameter chamfering design The shank diameter adopts chamfer design, focusing on details and reliable quality 3. Coating Design Increase the hardness of the tool, increase the service life, and increase the surface finish of the product 4. Selected high-quality tungsten steel High-quality integral tungsten steel base material, high-precision grinding by imported machine tools