C2 Strong-Fix - PZ - Double Countersunk - Twin-Cut - Yellow Timco 50050C2LT Size: 5.0 x 50 Deep recess to prevent 'cam-out', ensuring precise and positive drive control on every screw. Ribs under head for improved countersinking, providing a smooth and flush finish while preventing splitting and material damage. Coated with a high-molecular polymer lubricant that reduces insertion torque by up to 52% and increases rust protection up to 20 times longer than standard zinc plating. Dual angle thread for ultimate performance and exceptionally high pull-out resistance. Patented twin cut technology for rapid "pick-up" and reduced timber splitting. All sizes up to and including 75mm are fully threaded; lengths 80mm and above feature a 70mm thread length. The C2 Strong-Fix screw represents a significant advancement in fastening technology, designed for professionals seeking reliability and efficiency. Its innovative features ensure optimal performance across various materials, making it an essential addition to any toolkit. With a pack quantity of 1600, this product not only enhances productivity but also guarantees durability and strength in every application.