Hi-low thread, regular wood point zinc-plated wood screw features flat head with nibs and square drive. Screws are a great choice for use in softwood, engineered wood and particleboard. Constructed of zinc-plated steel, the particle screws are designed for durability, strength, and smooth performance. They feature a self-tapping, hi-low thread that provides improved and faster installation. The screws have a sharp regular point and are easily secured with a square driver. With their flat head and countersinking nibs, the screws provide a flush finish.