Enhance the structural integrity of your projects with our Button Head Socket Cap Screw. Crafted from premium steel with a durable Thermal Black Oxide coating, this screw boasts a material grade of 10.9 for superior strength and longevity. Compliant with ASME B18.3 specifications, it features a 5/16-18 thread size and a convenient hex socket drive type for easy installation. With a length of .875 inches, it is perfect for a wide range of applications. Rest assured, this screw is also RoHS compliant, making it an environmentally conscious choice for your projects.