Twin-Threaded Woodscrews - PZ - Double Countersunk - Zinc Timco 00534CWZ Size: 5 x 3/4 Double countersunk head reduces the likelihood of head shear and assists completion of countersinking Partially threaded from 1 1/4” and above Made from C10-18 steel to ensure consistent quality 60° twin-threads with parallel shank for faster insertion and greater pull-out resistance Surface hardened to prevent torque shearing under load and core hardened for improved ductility 25° sharp point and single lead for a fast start and improved thread acceptance The TIMCO Twin-Threaded Woodscrews are designed for efficiency and reliability in various applications. With a traditional twin-thread design and a single lead start, these screws facilitate quick installation, making them ideal for soft timber and masonry projects when used with a plastic plug. The double countersunk head minimizes the risk of head shear, ensuring a secure fit. Crafted from high-quality C10-18 steel, these screws offer durability and consistent performance. The unique features, including a sharp point for easy penetration and surface hardening for enhanced strength, make these woodscrews a valuable addition to any toolkit.