Enhance your fastening solutions with our Button Head Socket Cap Screw. Crafted from durable stainless steel and coated with a protective Thermal Black Oxide finish, this screw ensures long-lasting performance in various applications. Designed to meet ASME B18.3 specifications, it features a 4-40 thread size and a convenient hex socket drive type for easy installation. With a length of .75 inches, it's perfect for securely fastening components. Rest assured, this screw is also RoHS compliant, making it an environmentally friendly choice for your projects. Upgrade your toolbox with this essential hardware essential.