The STI TAP RH 5/16-18 GH3 P from Field Tool Supply is a right-hand tap designed for precision threading. With a 5/16 inch diameter and 18 threads per inch, this tap is ideal for creating internal threads in various materials. Made in the USA, it features a high-quality construction that ensures durability and consistent performance. The GH3 classification indicates a general-purpose tap suitable for a range of applications, including automotive and machinery. This tap is compatible with standard threading systems and is perfect for both professional and DIY projects.