The STI TAP RH 5/8-18 GH4 P USA from Field Tool Supply is a robust right-hand tap designed for threading with a 5/8-18 size. Made in the USA, this tap is constructed from high-quality steel, ensuring exceptional durability and performance. The GH4 designation indicates a taper tap, which is perfect for starting threads in various materials. This tap is ideal for both industrial and home use, providing reliable results in metalworking and fabrication. It meets ANSI standards, ensuring compatibility with standard threading equipment.