Enhance efficiency in your assembly processes with this Sems Machine Screw. Designed to streamline installations, this screw features a convenient Phillips drive type and an internal tooth washer for secure fastening. The durable steel construction with a zinc finish ensures longevity, while its ASME B18.13 specification guarantees quality performance. With a thread size of 4-40 and a length of 1.5 inches, it is suitable for a variety of applications. Upgrade your hardware inventory with this essential component.