Amana Tool says its RC-2252 CNC insert spoilboard industrial router bit with scorers features a 2+2 knife design that contains two cutting flutes and two up-shear scorers, providing a smoother finish at the bottom of the cut. Cutting applications include spoilboard, planing and rabbeting large surface areas in MDF, Balsa Core, hardwood, softwood and all man-made materials.

The industrial router bit features insert knives with four cutting edges that allow users to flip the knife over when one side becomes dull and is available in 3/4-in. shank size with the highest-quality finish available on woodworking tools, according to Amana.