The blade is subjected to high-frequency welding technology, and the cutter body is made of super-hard tungsten steel, which is extremely hard, strong, and sharp. The complex process technology improves wear resistance and greatly increases the service life. The unique design, super hardness, and impact resistance ensure the sharpness of the blade, which is your first choice for high quality. Industrial-grade router bits. Solid hardened steel body with anti-kickback design. Heat-resistant Teflon construction and coating. Suitable for wood, MDF, particleboard, plywood. Please avoid cutting ferrous metals and other materials such as steel, iron, sand, etc.