Enhance your fastening projects with our Sems Machine Screw, designed for convenience and durability. Featuring a Phillips drive type and a pan head, this stainless steel screw ensures secure and efficient assembly. The included square conical washer adds stability and strength to your connections. With a 4-40 thread size and a length of .1875 inches, it's perfect for a variety of applications. Rest assured, our screw is ASME B18.13 compliant and RoHS certified, meeting high industry standards for quality and environmental responsibility. Elevate your work with this essential component.