Strong-Drive SD Connector Screws - #9 x 1 1/2' - 100/Box

These Simpson Strong-Tie Strong-Drive SD connectors screws are constructed to replace nails in applications where screws may offer better performance and convenience. The steel structural screws have a galvanized coating that makes them ideal for interior and exterior use. They exceed typical single-fastener load values, and have a hex head with washer that prevents cam-out and head stripping. With their sharp point and serrated thread, the structural screws deliver fast starts and reduce torque for easy installation. Tested and approved for use in many of Simpson Strong-Tie's best-selling connectors for both interior and most exterior applications. Ideal for use in connector applications where more control is desired or using a hammer is inconvenient. 1/4-in hex head with 0.37-in diameter integrated washer reduces cam-out and is stamped with the Simpson Strong-Tie "no equal" sign and the fastener size for easy identification after installation. Shank is specifically designed to match the fastener holes in Simpson Strong-Tie connectors. Optimized heat treating for ductility and strength. Size: #9 x 1-1/2-in. Hex driver included. Mechanically galvanized, Class 55 coating meets the requirements for use in preservative-treated and fire-retardant-treated wood per the 2012 and 215 IRC. Quantit