These Timco Drywall Screws are designed to secure plasterboard to timber stud work. They feature a Phillips No.2 recess for a positive drive and a bugle head to minimize damage to the board surface. The screws have a 25° super sharp point for easy penetration and a coarse thread for a strong hold. Specifications include a thread diameter of 4.2mm, length of 65mm, and a dark grey phosphate finish. They are made from carbon steel and are suitable for clean, dry, and low humidity environments, complying with BS EN 14566:2008.