Galvanized Phillips drive deck screws are a great choice for your decking and other outdoor projects. The galvanized finish on these screws provides excellent corrosion protection. Designed with a flat head and Philips drive, these screws have a more accessible bit type and are easy to use. While this screw is fantastic for pressure treated woods, the finish may cause staining in cedar or redwood. These screws conform to ASTM B695, including Weather Maxx 3 distinction.