The STI Tap RH 5/8-18 GH4 B from Field Tool Supply is a high-performance right-hand tap designed for creating internal threads in a variety of materials. With a thread size of 5/8-18, this tap is ideal for applications requiring precision and strength. The GH4 finish ensures smooth cutting and reduced friction, enhancing tool life. Manufactured in the USA, this tap meets rigorous quality standards, making it a reliable choice for both industrial and DIY projects. Its durable construction allows for extended use in demanding environments.