The Diall Hex Zinc-plated Carbon steel Roofing screw (Dia)5.5mm (L)45mm, Pack of 50, is designed for secure and long-lasting fixing of roofing sheets to timber or metal structures. Manufactured from durable carbon steel with a zinc-plated finish, these roofing screws provide excellent corrosion resistance, ensuring reliable performance in outdoor environments. The hex head design allows for easy installation with standard tools, making it suitable for both professional tradespeople and DIY enthusiasts. With a length of 45mm and diameter of 5.5mm, these screws offer strong hold and stability for various roofing applications.