Hexagonal Head Flanged Screw designed for secure fastening in various applications. Features a 13 mm (1/2 in) drive size and 8.10 mm (5/16 in) head height for efficient torque application. Includes an 8 mm (5/16 in) thread size, 30 mm (1.18 in) length, and 1.25 mm (0.05 in) thread pitch for precise fitting. Made from high quality steel for durability and strength. Finished with zinc coating for enhanced corrosion resistance and longevity.