The TAPS RH(100) 1 9/16-18 H4 T from Field Tool Supply is a high-quality right-hand tap designed for threading applications. With a size of 1 9/16-18, this tap is engineered for precision and durability, making it suitable for various materials. The H4 designation indicates a high-quality finish, ensuring smooth operation and reduced friction during use. This tap is ideal for professionals in machining and fabrication, providing reliable performance and compliance with industry standards. Enhance your threading capabilities with this essential tool.