The TAPS RH(072) 1 1/8-20 H4 P from Field Tool Supply is a right-hand tap designed for creating internal threads with precision. With a diameter of 1 1/8 inches and 20 threads per inch, this tap is ideal for a variety of materials, including metals and plastics. The H4 tolerance ensures a tight fit, making it suitable for high-quality threading tasks. Constructed from high-speed steel, this tap offers excellent durability and wear resistance. It is compatible with standard tapping machines and hand tools, making it a versatile choice for both professionals and DIY enthusiasts.