Upgrade your fastening solutions with our high-quality Button Head Socket Cap Screw. Made of durable steel with a Thermal Black Oxide finish, this screw guarantees strength and corrosion resistance for long-lasting performance. Featuring a 5/16-18 thread size and ASME B18.3 specification, it meets stringent standards for precision and reliability. The 10.9 material grade ensures superior mechanical properties, while the Hex Socket drive type allows for easy installation. With a length of .875 inches, it's perfect for various industrial and construction applications. Rest assured of its environmental compliance with RoHS certification. Elevate your projects with this essential fastener.