Enhance your fastening projects with the Button Head Socket Cap Screw. Crafted from durable stainless steel with a sleek black passivate finish, this screw offers reliable performance and corrosion resistance. Compliant with ASME B18.3 standards, it features a #4-40 thread size and a convenient hex socket drive type for easy installation. With a length of 0.25 inches, this versatile screw is perfect for a wide range of applications in both industrial and DIY settings. Upgrade your toolkit with this essential hardware component.