General description A premium decking screw utilizing C2 twin-cut technology, designed for rapid penetration and secure clamping of decking boards to joists. The innovative design ensures clean countersinking and effective performance. Technical specifications Size: 4.5 x 50 mm Head Type: Countersunk Recess Type: TX Drive Bit Type: T20 Colour/Plating: Organic Green Pack Quantity: 250 Corrosion Resistance: Withstands up to 1,000 hours in a salt spray cabinet Usage Ideal for decking applications Designed to prevent shearing when installed with an impact tool Features ribs under the head for improved countersinking Helix shank aids in debris removal and enhances clamping