Simpson Strong-Tie offers a wide variety of fasteners to meet the requirements for every project type. Our exterior nails provide powerful, corrosion-resistant fastening solutions to help make your outside living space as long lasting as the interior of your home. The shake and shingle siding/roofing nails flat head provides ample bearing surface to secure all types of shakes and shingles. This screw also features a slender shank to minimize splitting and a diamond point for easier driving.