The TAP-CB SF(20) 5/16-18 H3 RED from Field Tool Supply is a high-quality tap designed for threading applications. This tap features a 5/16-18 thread size, making it suitable for a variety of fastening needs. Made from durable steel, it offers excellent wear resistance and longevity. The H3 tolerance guarantees a precise fit, essential for professional use. Its bright red finish allows for easy identification in your tool collection. Ideal for metalworking, automotive, and construction projects, this tap provides reliable performance and efficiency.