Easily fasten components with our high-quality Sems Machine Screw. Designed for convenience, this steel screw features a flat washer and a hex head for secure installation. With a thread size of 5/16-18 and a length of 1 inch, it's suitable for various applications. The yellow zinc finish not only enhances durability but also adds a touch of style. Compliant with ASME B18.13 standards, this screw guarantees reliable performance. Upgrade your fastening solutions with this essential hardware product.