- 240 galvanized steel self-tapping screws, size 4.8 x 16 mm, ideal for fastening sheets and roofs - Includes sealing washer that ensures waterproofing and protection against corrosion - Easy and quick installation thanks to its self-drilling tip, no pre-drilling required - Material resistant to UV rays and mechanical damage, extending the product's lifespan - Perfect for metal structures, gutters, sandwich panels, and wooden surfaces - The built-in rubber disc seals the connection and prevents water leaks - It is recommended to use a socket wrench for safe assembly and to avoid damage to the coating - Not suitable for aluminum sheets - Efficient and durable solution for DIY and professional construction projects