The TAPS RH(072) 1 1/8-18 H4 T from Field Tool Supply is a right-hand tap designed for creating internal threads in a variety of materials. With a 1 1/8 inch diameter and 18 threads per inch, this tap is ideal for precision machining and metalworking applications. The H4 tolerance ensures a tight fit, making it suitable for high-quality threading tasks. Made from durable high-speed steel, this tap provides excellent wear resistance and longevity. It is compatible with standard tapping machines and hand tools, making it a versatile choice for both professionals and hobbyists.