The TAP RH-UF(20) 5/16-18 H11 P from Field Tool Supply is a premium right-hand tap designed for precision threading in various materials. With a 5/16-18 thread size, this tap is perfect for creating internal threads in metal, plastic, and other materials. Made from high-speed steel (HSS), it offers exceptional durability and wear resistance. The H11 designation indicates a high tolerance, making it suitable for applications requiring a precise fit. This tap is compatible with standard tap wrenches and is ideal for both professional and DIY projects.