Trend Professional Intumescent Recesser Router Cutter Bit, 1/2 Inch Shank, 40mm Cut Diameter & 15mm Length, Tungsten Carbide Tipped, 348X1/2TC

General description This specialized cutter set is designed for routing grooves in door frames or doors to accommodate intumescent strips, which serve as effective barriers against fire and smoke, enhancing safety. The cutter allows for precise cuts and can be adjusted to fit different thicknesses of intumescent strips by selecting appropriate bearings. Technical specifications Diameter: 40mm Cutting depth: 15mm Cutter width: 4mm Bearing diameter: 32mm Shank length: 41mm Overall length: 70mm Shank diameter: 1/2 inch Fire resistance: up to 30 minutes Compatibility and accessories Compatible with standard routers that accept 1/2 inch shank bits Alternative bearings are available to suit different thicknesses of intumescent strips Installation Attach the cutter securely to a compatible router with a 1/2 inch shank Adjust the bearing to the desired position based on the thickness of the intumescent strip Set the cutting depth to 15mm for proper groove depth Usage Use in routing machines