Upgrade your fastening solutions with our Button Head Socket Cap Screw. This high-quality steel screw, featuring a durable Thermal Black Oxide finish, is designed to provide reliable performance in various applications. With a thread size of 5-40 and a length of .625 inches, it offers a secure and precise fit. Its ASME B18.3 specification and material grade of 10.9 ensure exceptional strength and durability. The Hex Socket drive type allows for easy installation, making it a versatile choice for your projects. Plus, rest assured that it is ROHS compliant, meeting environmental and safety standards. Elevate your assembly process with this premium fastener.