Introducing the MasonMate M12 x 75mm Hex Concrete Screwbolts, your ultimate solution for strong and reliable anchoring in various materials including concrete, blocks, bricks, and stone. Each box contains 50 premium screwbolts designed with a self-tapping thread for easy and efficient installation. The advanced zinc plating finish not only enhances their durability but also provides excellent corrosion resistance, ensuring they stand up to the elements for both indoor and outdoor applications. Perfect for professionals and DIY enthusiasts alike, these durable fasteners are essential for all your construction and renovation projects. Trust MasonMate for secure fastening that lasts.