These #8-18x1" pan head Phillips self-drilling screws are essential fasteners for professionals and DIY enthusiasts alike. Featuring a #3 self-drilling point, these screws eliminate the need for pre-drilling pilot holes, allowing you to drive directly into metal, saving valuable time on your projects. The pan head design with Phillips drive provides a low-profile finish and secure grip for easy installation. Each screw is zinc plated with a CR+3 finish, offering enhanced corrosion resistance for durability in various applications. The #8-18 thread size and 1-inch length make these screws ideal for sheet metal fabrication, HVAC installations, metal roofing, and general construction projects. This convenient 100-pack ensures you have plenty of fasteners on hand for multiple jobs. Whether you're working on metal-to-metal connections or attaching components to steel framing, these self-drilling screws deliver reliable holding power and professional results.