Enhance your machinery with our Sems Machine Screw, a key component for secure fastening applications. Crafted from durable stainless steel and featuring an ASME B18.13 specification, this screw guarantees high performance and reliability. With a 4-40 thread size and 1.125-inch length, it's perfect for a variety of industrial needs. The external tooth washer ensures a tight grip, while the pan head and Phillips drive type make installation a breeze. Rest assured, this product is fully RoHS compliant, meeting environmental standards without compromising on quality. Elevate your assembly process with this essential component.