The Concave Sunk Bead Router Bit is designed for creating decorative concave bead profiles, finger grooves, edge moldings, and hidden joint lines on woodworking projects. Featuring four popular radius sizes, this set offers greater flexibility for furniture making, cabinet doors, plaques, columns, and decorative trim applications. Each bit is equipped with a precision guide bearing for smooth, accurate edge routing while reducing setup time on curved workpieces. Manufactured with premium tungsten carbide cutting edges and a solid steel body, these bits deliver clean cuts, excellent durability, and long service life on both handheld and router table applications.✅ 4 Popular Radius SizesThere four commonly used concave bead profiles to create decorative edges, finger grooves, moldings, and elegant woodworking details for various projects. ✅ Premium Tungsten Carbide Cutting EdgesMade with high-grade tungsten carbide cutters for excellent sharpness, wear resistance, and long-lasting cutting performance. ✅ Bearing-Guided for Smooth RoutingIntegrated guide bearings provide accurate edge following, smoother operation, and easier control when routing curved or irregular workpieces. ✅ Durable Solid Steel ConstructionPrecision-machined alloy steel body minimizes vibration and improves stability for cleaner cuts and longer tool life. ✅ Heat & Corrosion ResistantProtective coating helps reduce heat buildup while improving wear resistance and protecting against rust and corrosion. ✅ Wide Range of ApplicationsSuitable for hardwood, softwood, plywood, MDF, veneered panels, acrylic, particle board, plastics, and composite materials.Compatible with:Hand-held routersRouter tablesCNC trimming machinesEngraving machinesMilling machines SpecificationsShank Diameter: 1/4"Radius Sizes: R3/16", R5/16", R3/8", R7/16"Cutting Height: 3/8", 1/2", 5/8", 3/4"Body Material: Alloy SteelMaximum RPM: 25,000 RPMCut Type: Concave Sunk Bead / Decorative Edge