This 4.5 x 50mm variant in a convenient box of 200 is ideal for standard decking board installations and lighter exterior timber projects. The 50mm length is perfectly suited for fixing typical 25-28mm decking boards to joists, providing secure penetration without excessive protrusion. Featuring a Pozidriv head with four additional contact points, this screw eliminates cam-out when used with correct tooling, allowing confident torque application. The single-threaded design ensures quick insertion whilst delivering superior pull-out resistance compared to traditional double-threaded alternatives. The 1,000 hour green treated finish offers excellent corrosion resistance to ACQ treated timber used in modern decking applications. Features and Benefits: • 4.5 x 50mm size ideal for standard decking boards • Box of 200 perfect for smaller projects or repairs • Single-thread design for higher pull-out values and faster installation • Prevents board splitting whilst accommodating seasonal movement • Green anti-corrosion treatment resists harsh exterior conditions • Hardened construction for long-lasting performance Specifications: Size (mm): 4.5 Length (mm): 50 Finish: Green Anti-Corrosion Pack Qty.: 200