The Button Head Socket Cap Screw, a versatile and essential component for various applications. This stainless steel screw, featuring a 4-40 thread size, offers durability and corrosion resistance, making it ideal for both indoor and outdoor use. With a length of .5 inches and a hex socket drive type, it ensures easy installation and secure fastening. Compliant with RoHS regulations, this screw is not only reliable but also environmentally friendly. Trust in its ASME B18.3 specification for quality assurance. Perfect for automotive, construction, and industrial projects, this screw is a must-have for any toolkit.