4.5 × 50 mm Pozi‑Drive Green-Plated Timber Screws. Timco exterior decking screws offer fast, secure fastening for softwood and treated timber decking. Finished in green organic plating with up to 500 hours salt spray resistance, they combine a sharp 25° point and helix shank for fast starts and cleaner insertion. The double‑countersunk ribbed head ensures a flush finish while minimizing wood splitting—driven with a PZ2 bit for precision and control. :contentReference[oaicite:2]{index=2}. Key Features & Benefits. 500 hr Salt Spray Rated: Reliable corrosion resistance in exterior/urban applications.. Helix Shank Design: Removes timber debris during installation for superior clamping power.. 25° Sharp Point: Provides rapid bite and accurate thread entry without pre‑drilling in softwoods.. Double-Countersunk Ribs: Heads seat cleanly below surface for a tidy finish.. PZ2 Drive: Standard Pozidriv recess for efficient torque transfer and reduced cam‑out.. Product Details. Diameter: 4.5 mm (Gauge 9). Length: 50 mm (thread length approx. 32 mm). Material: Carbon steel, green organic plated finish. Corrosion Rating: ≈500 hr salt spray resistance (Rating 3 for low-salt environments). Complies with: BS EN 14592:2008 standard. Pack Options: Box of 200; Tub of 2,000 pieces (product code 50TDECK for 50 mm size). Head Diameter: ≈8.76 mm; Point Type: 25° sharp; Recess: PZ2. Typical Uses. Securing softwood decking boards to timber joists. Outdoor joinery and landscaping timber fixings. Construction of balustrades, steps, cladding, and other wood-to-wood applications. Recommended for flush, clean installations with minimal surface disturbance
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