Enhance your fastening needs with our Button Head Socket Cap Screw. Constructed from durable stainless steel, this screw is designed for reliable performance in a variety of applications. With a thread size of 4-40 and a length of .5625 inches, it offers precise and secure fastening. The hex socket drive type ensures easy installation and removal. Compliant with RoHS regulations, you can trust in both the quality and environmental responsibility of this essential hardware component. Upgrade your toolkit with this ASME B18.3 standard screw and experience the convenience and durability it delivers.