Cleaning Bottom Router Bit will rout clean cutouts for hinges or other shallow cutout projects. C3 Micro-grain Tungsten Carbide Cutters, Solid Hardened Steel Bodies with Anti-Kickback Design Total Length:58mm; Shank Diameter:6.35mm (1/4"); Cutting Diameter:3/4"; Cutting Length:7/16". Two flute carbide cutters with 1/4" shank. Perfect for Routing door hinge mortises using a hinge template. Ideal for plywood, wooden door frames, wooden window frames, cabinets and boxes,solid wood, MDF, particle board, etc. Features: -C3 Micro-grain Tungsten Carbide Cutters. -Solid Hardened Steel Bodies with Anti-Kickback Design. -Build-up & Heat Resistant Teflon Coating. -Alloy blade with high-grade welding, stable quality high efficiency. -Cemented carbide constructed,great replacement for your old one. -Ideal For: plywood, wooden door frames, wooden window frames, cabinets and boxes,solid wood, MDF, particle board, etc. Specification: - Material: Cemented carbide - Color: Yellow - Shank Diameter: Approx. 1/4"(6.35mm) - Cutting Diameter: Approx. 3/4" (19.05mm) - Cutting Depth: Approx. 11mm/ 0.43inch - Overall Length: 52mm/ 2.05inch Note: - At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes. - Size for manual measurement, there may be a 0 to 5 mm error, belongs to the normal phenomenon. Package Included: 1 x Template Router Bit