Introducing our Sems Machine Screw, a versatile fastening solution designed for a wide range of applications. Made from durable steel with a protective zinc coating, it offers both strength and corrosion resistance. Compliant with ASME B18.13 specifications, this screw features a 4-40 thread size and a .75-inch length, perfect for securely fastening components. Its square conical washer ensures even distribution of load, while the pan head and Phillips drive type facilitate easy installation. Trust in this high-quality screw for your fastening needs, knowing it meets RoHS compliance standards.