Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16IR16UNJBMA RPTECH The combination of 3 flutes

The combination of 3 flutes and the TiN‑coated HSS‑E body provides smoother cutting

Go/NoGo quick identification: The go/no-go design lets you quickly determine whether threads meet NPTF standards

It’s built for precision reaming in a range of metals and is designed to deliver consistent hole sizes in demanding machining environments

burr‑free slots

delivering precise hole sizes with minimal rework and predictable results across jobs

Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16IR16UNJBMA RPTECH The combination of 3 flutesCarmex Thread Turning Internal Insert is a precision tool designed for cutting internal threads with reliability and consistency. Part of an industry leading family, these laydown triangular inserts are built to cover the majority of thread standards used today, delivering dependable performance from simple jobs to the most demanding applications. Designed for UNJ threads, including UNJC, UNJF, UNJEF, and UNJS, this insert is configured for right hand