SDWHDB 8IN 5/16 HEX DOUBLE BARRIER 250CT

Engineered for exceptional performance, the Timber-HEX screw from Simpson Strong-Tie offers a reliable fastening solution for a variety of construction projects. With a robust 5/16-inch hex drive and a large 0.650-inch washer head, it ensures maximum bearing area for superior holding power, enhancing the integrity of your assemblies. Its innovative SawTooth® point allows for quick starts and reduces installation torque, often eliminating the need for predrilling, while the under-head nibs provide enhanced control during fastening. Designed with a double-barrier coating, this screw boasts corrosion resistance equivalent to hot-dip galvanization, making it suitable for most non-marine environments. Each screw head is also marked for size identification, and a driver bit is included, ensuring you’re well-equipped for efficient installation.