Enhance your fastening solutions with our Sems Machine Screw. Designed to meet ASME B18.13 specifications, this steel screw features a durable zinc finish coating for added protection. With a 1/4-20 thread size and a length of .625 inches, it's perfect for a variety of applications. The included Split Lock and Flat Washer ensure secure attachment, while the Hex Head design allows for easy installation. Rest assured, this product is fully ROHS compliant, making it a reliable and environmentally friendly choice. Upgrade your assembly process with this high-quality machine screw.