Enhance your hardware collection with this essential Sems Machine Screw. Crafted from durable steel with a protective zinc coating, this screw guarantees longevity and reliability. Designed to ASME B18.13 specifications, it boasts a 1/4-20 thread size and a sleek pan head with a convenient Phillips drive type. The included square conical washer ensures secure fastening, making it perfect for a variety of applications. With a length of .5 inches and full RoHS compliance, this screw is both versatile and environmentally friendly. Upgrade your projects with this high-quality fastening solution.