The M8 x 40 Mushroom Head Roofing Bolt, featuring a bright zinc-plated finish, ensures robust and reliable fastening for various construction applications. Its mushroom head design provides a smooth, low-profile finish, ideal for securing roofing materials. Precision-engineered for durability and corrosion resistance, this bolt is perfect for outdoor projects. Its versatile size makes it suitable for a range of tasks, offering excellent performance and longevity in demanding environments. Enhance your construction projects with this essential, high-quality fastening solution.