Enhance your assembly efficiency with our Sems Machine Screw. This high-quality steel screw features a convenient external tooth washer and a hex washer head for secure fastening. With a durable yellow zinc finish and precise 12-24 thread size, it provides reliable performance in a variety of applications. Measuring at 0.5 inches in length and compliant with RoHS standards, it offers both versatility and environmental responsibility. Upgrade your fastening solutions with this ASME B18.13 specified screw.