Advantage: 1.Tungsten carbide head and shank The cutter head and the shank are connected in the same way as the existing products, eliminating the need to purchase a separate shank and saving tool costs. 2.Various cutter heads can be exchanged, high economy value. Composite material design, more environmentally friendly, energy-saving and resource-saving than ordinary tungsten steel knives 3. High accuracy, high rigidity and high efficiency in cutting 4. Reusable grinding after the cutter head is used, saving tooling costs and reducing manufacturing costs