PowerPro products are engineered to be stronger, faster, and best-in-class.Their self-drilling screws are ideal for fastening metal to wood in roofing and building applications.Self-drilling screws are a type of self-tapping screws that drill their own hole and thread as they are installed.Each screw features a Micro-Bit point that acts as a drill bit, drilling through high-strength steel panels.The Micro-Bit point requires less end pressure to penetrate metal and engage wood.PowerPro offers tools for a variety of materials, including roofing, metal, cement board, drywall, brick, and wood. PREMIUM METAL ROOFING SCREWS: Constructed from high-quality steel, our self-drilling screws are just what you need to get the job done right the first time. These #10 x 1-½ inch screws fasten metal to wood in roofing and metal building applications.PATENTED DESIGN: For superior holding strength in various wood substrates, our screws feature the KS Lo-Root—fine to coarse—thread design. Plus, our patented one-piece cupped head design provides a weather-tight seal and expels moisture.CORROSION RESISTANT: Made with our exclusive color-matched “Powderful” coating, these fasteners offer enhanced corrosion resistance over the painted heads. They’re also made with zinc-aluminum molded heads to prevent red dust from ever forming.MICRO-BIT POINT: Each screw is made with a Micro-Bit self-drilling point that effectively reduces the amount of metal shavings that can embed themselves in the rubber washer.EASY STORAGE: Each package of our premium self-drilling screws comes in a durable case that is reusable, reclosable, and stackable. Additionally, this product comes with a free 5/16 hex drive bit.COMPARABLE WITH OTHER METAL SCREWS: The PowerPro Metal Roofing Screws are comparable with gutter screws, metal-to-wood screws, downspout screws, and other sheet metal screws.