Introducing our high-quality Sems Machine Screw, designed for superior performance in various applications. Crafted from durable stainless steel, this screw guarantees long-lasting durability and corrosion resistance. With a thread size of 4-40 and a precisely measured length of .75 inches, it is perfect for securely fastening components. The square conical washer ensures even distribution of pressure, while the pan head and Phillips drive type allow for easy installation. Rest assured, our product complies with RoHS standards, making it environmentally friendly. Trust in the reliability and efficiency of this ASME B18.13 certified screw for all your industrial needs.