Spiral Flush Trim 1/4 in. Shank Solid Carbide Router Bit

This set includes 1 upcut and 1 down cut flush trim solid carbide router bit. The shanks and diameters are 1/4 in. with a 1-1/8 in. cutting length. Spiral flush trim router bits work just like regular flush trim bits, but the spiral cutter reduces chipping. They work with plywood, MDF, solid woods, plastic laminates and non-ferrous metals like aluminum.