General description The 8mm Shank Matched Tongue and Groove Router Bit Set features a robust design ideal for woodworking. Made with high-frequency welded technology, the cutter body is constructed from super-hard tungsten steel, ensuring exceptional hardness, strength, and sharpness. This industrial-grade router bit set is designed for durability and precision in various woodworking applications. Technical specifications Shank diameter: 8mm Material: Tungsten steel Blade design: 3 Teeth T Shape Body construction: Solid hardened steel Coating: Heat-resistant Teflon Usage This router bit set is suitable for cutting various materials including wood, MDF, particleboard, and plywood. It is not recommended for cutting ferrous metals or materials such as steel and iron.