The TIMCO Twin-Threaded Countersunk Silver Woodscrews feature a traditional twin-thread design with single lead start for fast installation in soft timber applications or masonry with plastic plugs. These high-quality carbon steel screws include a double countersunk head to reduce head shear likelihood, 60° twin-threads with parallel shank for faster insertion and greater pull-out resistance, and surface hardening up to 750 HV to prevent torque shearing under load. The 25° sharp point ensures fast start and improved thread acceptance, making them ideal for professional timber construction applications.