Introducing our high-quality Sems Machine Screw, a reliable fastening solution for a variety of applications. Crafted from durable stainless steel and meeting ASME B18.13 specifications, this screw guarantees both performance and longevity. Featuring a #4-40 thread size and a convenient Phillips drive type, it's easy to install with precision. The included Square Conical Washer ensures secure attachment, while the Pan head type offers a sleek finish. With a 0.25-inch length, it's perfect for projects requiring a shorter screw. Rest assured, this product is RoHS compliant, meeting environmental standards. Upgrade your fastening game with this essential component.