The TAP RH-CI(20) 5/16-18 GH5 P from Field Tool Supply is a precision-engineered right-hand tap designed for internal threading. Featuring a 5/16-18 thread size, this tap is versatile for various materials. Constructed from high-quality materials, it offers exceptional durability and performance. The GH5 finish ensures a clean and efficient cutting process, making it suitable for both industrial and DIY applications. This tap adheres to industry standards, providing reliable results in all threading tasks. Upgrade your toolkit with this essential tapping tool.