Drive Screws - Galvanised 150 x 6.40 Timco DSN150T Used when fixing roofing and cladding sheets to timber purlins. Size: 150 x 6.40 Pack Quantity: 2.5 For medium duty rust protection. Conforms to Eurocode 5 and service class 2. The TIMCO Drive Screws - Galvanised are specifically designed for the reliable installation of roofing and cladding sheets onto timber purlins. With a size of 150 x 6.40, these screws provide robust performance and durability. Each pack contains 2.5 screws, ensuring you have the necessary quantity for your projects. Engineered for medium duty rust protection, these screws conform to Eurocode 5 and service class 2 standards, making them an ideal choice for various construction applications. Trust TIMCO for quality and reliability in your fastening solutions.