Amana AMS-557 4-pc Carbide Tipped Ball End Router Bit Set 1/2 inch Shank

Cut channels for pipes or cables using the ball end bit. The profile requires the cut to be made in a single pass. To reduce stress on the bit, cut an initial groove using a straight bit matching the D1 dimension of the ball end bit. Profile is useful as a ‘conduit’ for cables, pipes, etc. Can be used with handheld, table-mounted and CNC routers.Set includes the following radii: 1/4, 5/16, 3/8 and 7/16Designed for cutting:Soft / Hard Wood