Enhance your fastening solutions with our Button Head Socket Cap Screw. Crafted from durable steel with a thermal black oxide finish, this screw is designed to withstand tough conditions while ensuring a sleek appearance. Compliant with ASME B18.3 specifications and boasting a material grade of 10.9, it guarantees high performance and reliability. The 4-40 thread size, paired with a hex socket drive type, offers easy installation and secure fastening. With a length of .1875 inches, it's perfect for various applications. Rest assured, this screw is also RoHS compliant, aligning with environmental standards. Upgrade your projects with this top-quality fastener.