General description The 3Pcs 6mm Shank Carbide Chisel Bit Set includes a tongue router bit, a groove router bit, and a 4 Finger Joint Router Bit, designed for woodworking applications. These router bits are crafted from solid hardened steel and feature industrial-grade micro grain carbide cutters, ensuring a sharper and longer-lasting edge. The clever anti-kickback design enhances safety during installation. Technical specifications Shank size: 6mm T-shaped tongue & groove router bit tooth width: 6.35mm T-shaped tongue & groove router bit depth: 12.7mm Finger joint router bit tooth width: 3.17mm Finger joint router bit depth: 7.96mm Usage The tongue and groove router bit set works effectively with various materials, including wood, MDF, particle boards, plywood, panels, softwood, and hardwood. The finger joint router bit features a two-flute design with carbide teeth and four removable cutters, allowing for joints in a wide range of stock thicknesses. These durable router bits are