The STI TAP RH 1 -12 GH4 B from Field Tool Supply is a robust right-hand tap designed for creating internal threads in materials such as steel and aluminum. With a thread size of 1-12 and a GH4 tolerance, this tap ensures a precise fit for threaded inserts and fasteners. Constructed from high-quality materials, it offers excellent durability and performance in demanding applications. This tap is ideal for use in automotive, aerospace, and industrial settings, meeting industry standards for quality and reliability. Its ergonomic design allows for easy handling, making it a valuable addition to any machinist's toolkit.