Make the most of your of your project with Deckmate brand composite screws. Specially designed to fasten composite decking, treated wood and other plastic materials, these red star-drive composite deck screws will blend perfectly with your decking project. Recommended for use in ACQ, CA and CCA treated lumber, the ceramic coating on this screw is able to withstand high temperatures while providing superb rust and corrosion protection. Engineered with pro-cut threads that reduce splitting and a self-drilling tip, installation is made simple with no need for a pilot hole. The unique star drive reduces stripping and drives with the driver bit included in each box.