Samac TEK45STOT16W 45mm Sheet To Timber 16mm Washer (100) TEK45STOT16W Heavy-duty sheet-to-timber self-drilling screw Designed for fixing metal roofing or cladding profiles directly into wooden supports Sharp gash-point tip cuts through metal and securely grips into wood Integrated hex head supports high-torque installation Bonded rubber washer provides a watertight seal at the fastening point Suitable for applications where secure, weather-resistant fastening is required Pack quantity: 100 The Samac TEK45STOT16W is a reliable heavy-duty fastening solution for sheet-to-timber applications. Engineered for efficient installation, it combines a self-drilling gash-point tip with a hex head for strong torque control and a bonded washer for improved weather protection. Ideal for metal roofing and cladding projects, this screw delivers dependable performance and a secure, professional finish.