The TAP EXT SP(16) 1/4-28X6 H3 by Field Tool Supply is engineered for creating fine threads in a variety of materials. With a 1/4-28 thread size and a length of 6 inches, this tap is perfect for applications requiring precision and depth. Made from high-speed steel (HSS), it offers excellent durability and cutting performance. The H3 tolerance rating ensures high accuracy, making it suitable for both industrial and hobbyist use. This tap is compatible with standard threading equipment and meets rigorous quality standards, ensuring reliable results in every application.