Introducing our Sems Machine Screw, a versatile and essential component for a variety of industrial applications. This high-quality screw features a durable steel construction with a zinc finish coating, ensuring longevity and corrosion resistance. With a thread size of 4-40 and a pan head design, it offers excellent stability and strength when fastening materials together. The inclusion of a split lock washer enhances security and prevents loosening over time. Its Phillips drive type allows for easy installation with a standard screwdriver. Compliant with RoHS regulations, this screw is not only reliable but also environmentally friendly. Ideal for machinery, electronics, and more, it's a must-have in any tool kit.