Affordable Router Bits This router bit set includes 6 straight router bits with 7 different cutter sizes, suitable for basic woodworking grooving tasks. Product Material: Cutters are made of YG8 carbide alloy and 45# carbon steel. The YG8 carbide alloy is ideal for low-speed rough machining of wood products. Applicable Material: Straight cutters are designed for grooving and trimming wood. Suitable for composite materials, plywood, and soft woods. Not recommended for hardwoods such as oak, camphor wood, or birch. Heat Resistant: Green heat-resistant coating helps prevent sawdust build-up, resin, and pitch accumulation, improving work efficiency. Compatible Materials: Ideal for common materials like laminated particleboard, plywood, and soft wood. Operating at high speeds or cutting hardwood may cause breakage. For hardwood applications, a router bit with a 1.27 cm shank is recommended. Features: Item Name: Cutter Set – Straight Ripper with 6 mm Shank Weight: 130g Packaging: Each cutter comes in an individual plastic box Blade Material: YG8 Carbide Body Material: 45# Carbon Steel Stem Diameter: 6mm Round Stem Cutting Diameter: 3mm / 4mm / 5mm / 6mm / 8mm / 10mm / 12mm