Enhance your assembly process with our Sems Machine Screw, a reliable and efficient solution for fastening applications. This high-quality screw features a durable steel construction with a protective zinc coating, ensuring long-lasting performance even in demanding environments. Designed to ASME B18.13 specifications, it boasts a 1/4-20 thread size and a .625-inch length, making it suitable for a variety of projects. The included Square Conical Washer provides added stability and support, while the Pan head and Phillips drive type allow for easy installation. Rest assured, this product is fully ROHS compliant, meeting international standards for environmental responsibility. Upgrade your toolkit with this essential component.