This 1/2 UNF x 4" hex bolt, crafted to BS1768 standards, offers exceptional durability and reliability for various applications. Finished with a bright zinc plating (BZP), it provides enhanced corrosion resistance, making it ideal for both indoor and outdoor use. Its precision engineering ensures a secure fit, while the hexagonal head allows for easy tightening with standard tools. Perfect for construction, automotive, and industrial projects, this bolt delivers robust performance and long-lasting strength.