Introducing our Sems Machine Screw, designed for precision and durability in fastening applications. This stainless steel screw features a 4-40 thread size, meeting ASME B18.13 specifications for quality assurance. With a unique combination of a split lock and flat washer, it ensures secure fastening and minimizes the risk of loosening over time. The pan head and Phillips drive make installation effortless, while the .375-inch length offers versatility in various projects. Rest assured, this screw is compliant with RoHS standards, making it an environmentally friendly choice. Elevate your fastening needs with this premium-quality Sems Machine Screw.