16IR72UNK20 - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand

The Carmex Thread Turning Internal Insert is a right-hand, universal internal threading insert designed to cut UNC, UNF, UNEF, and UNS threads with a single geometry. Model 16IR72UNK20 sits at the core of a versatile threading system, using a laydown triangular insert design to cover the majority of common thread standards in use today.

Ideal for machine shops, maintenance teams, and individual operators, this insert delivers consistent results across a wide range of applications—from straightforward internal threads to more demanding precision work—while simplifying setup and tooling inventories.

• Broad UNC/UNF/UNEF/UNS compatibility (Right-Hand): Handles multiple thread standards with one insert and orientation, reducing tool changes and simplifying inventory management.
• Triangular laydown geometry for stable cutting: The laydown shape provides a solid, controlled engagement that helps produce clean, accurate internal threads across passes.
• Reliable performance for basic and demanding tasks: Built to deliver dependable results across everyday jobs and tougher threading challenges, supporting steady tool life and predictable outcomes.

This insert helps you streamline threading operations, minimizes downtime from tool swaps, and supports repeatable, high-quality internal threads. By choosing this Carmex solution, you can improve workflow efficiency, reduce rework, and maintain consistent results from first pass to final finish.