Create a perfect fit for your CONCEALoc® deck fasteners in your solid or square-edged TimberTech composite decking with the CONCEALoc® Router Bit. The easiest way to cut an accurate groove dimension on a non-grooved composite deck board, the TimberTech CONCEALoc® Router Bit has been designed and configured exclusively for TimberTech decking and even allows you to cut grooves into solid deck boards that are already installed on the substructure. Featuring a 1/4 inch shank diameter, the CONCEALoc® groove cutting router bit is a 3-wing cutter with durable, high-quality carbide tips to make the process even easier. Save time and worry on your next outdoor project with the CONCEALoc® Router Bit by TimberTech.