Enhance your assembly process with our high-quality Sems Machine Screw. This essential component features a durable stainless steel construction, ensuring reliability and longevity. With a 4-40 thread size and a length of .3125 inches, it's perfect for a variety of applications. The included Split Lock and Flat Washer provide secure fastening, while the Phillips drive type and Pan head design make installation a breeze. Compliant with RoHS regulations, this screw is not only efficient but also environmentally friendly. Upgrade your hardware with this ASME B18.13 standard screw and experience seamless assembly every time.