The TAPS RH(224) 3 1/2-16 GH7 B from Field Tool Supply is designed for precision threading in various materials. This tap features a right-hand cut and is ideal for creating internal threads in holes with a diameter of 3 1/2 inches and a pitch of 16 threads per inch. Made from high-quality steel, it ensures durability and longevity. The GH7 designation indicates a specific tolerance level, making it suitable for applications requiring tight fits. This tap is compatible with standard tapping machines and manual operations, adhering to industry standards for performance and reliability.