Easily assemble components with this Sems Machine Screw, designed for seamless installation. Crafted from durable stainless steel, it ensures reliability and longevity in a variety of applications. Featuring a square conical washer and a Phillips drive type, it offers secure fastening with minimal effort required. The pan head design adds a sleek finish to the assembly, making it ideal for both functional and aesthetic purposes. With a 4-40 thread size and a length of .3125 inches, it is suitable for a range of projects. Rest assured, this screw is RoHS compliant, meeting environmental standards for peace of mind. Upgrade your fastening solutions with this high-quality screw.