Introducing a durable and versatile fastening solution, the Button Head Socket Cap Screw is designed for secure attachment in various applications. Crafted from high-grade steel with a thermal black oxide finish, it offers exceptional strength and corrosion resistance. Compliant with ASME B18.3 standards, this screw features a 5/16-18 thread size and a hex socket drive type for easy installation. With a length of .3125 inches, it is ideal for use in machinery, automotive, and construction projects. Rest assured, it meets RoHS compliance standards, making it a sustainable choice for your fastening needs.