The 5/16"UNC X 4 1/2" H.T BOLT GRADE S is a high-tensile bolt designed for superior fastening in heavy-duty applications. Manufactured to meet industrial standards, this bolt provides exceptional load-bearing strength and stability. With its UNC threading, it ensures a secure fit, reducing the risk of loosening due to vibrations. The hexagonal head allows for easy tightening using a wrench or socket, ensuring precision installation. The self-colour (S/COL) or zinc-plated (Z/P) finish provides enhanced durability and corrosion resistance, making it suitable for both indoor and outdoor environments. Ideal for construction, engineering, and automotive assembly, this bolt is trusted for its high-strength performance and reliability. Whether used in structural steelwork, machinery, or heavy-duty equipment, this fastener ensures a long-lasting and stable connection. Professionals rely on its consistent quality for secure and durable fastening solutions in demanding conditions.