Expertly designed for durability, these Drywall Screws are made from high-quality carbon steel C1022 and are black phosphate for enhanced corrosion resistance. With a fine thread size of #10x3 and a Phillips bugle head design, these screws provide reliable and long-lasting performance. Plus, with a salt spray tested rating of 48 hours, you can trust that these screws will hold up in even the toughest environments. Perfect for any drywall installation project.