The STI TAP SP 5/16-18 GH3 P from Field Tool Supply is a specialized tap designed for creating 5/16" diameter threads with 18 threads per inch. This tap is manufactured in the USA and features a GH3 classification, indicating its precision and suitability for high-quality threading applications. Constructed from high-speed steel, it provides excellent durability and performance in various materials. Ideal for both professional machinists and DIY enthusiasts, this tap is compatible with standard tap wrenches and threading machines, ensuring reliable results in metalworking projects.
