Carmex Thread Turning Internal Insert - NPTF - Right Hand - 16IR14NPTFBLU Face Mill Arbors - Through Coolant repeatable thread profiles across a

repeatable thread profiles across a range of materials

Whether refining an existing bore or bringing a new hole to final dimension

Spiral flute for chip evacuation: Efficient cutting with improved chip clearance

delivering consistent chamfers and clean edges across projects

Efficient 3‑Flute Design: Increases chip evacuation and reduces cutting forces

Carmex Thread Turning Internal Insert - NPTF - Right Hand - 16IR14NPTFBLU Face Mill Arbors - Through Coolant repeatable thread profiles across aThe Carmex Thread Turning Internal Insert for NPTF, Right Hand (16IR14NPTFBLU) is a compact, triangular laydown insert designed for internal threading tasks. It covers a broad range of thread standards with a single insert, helping shops simplify tooling while delivering reliable form and finish. Ideal for engineers, machinists, and maintenance teams, this insert supports everything from quick repairs to precision production runs, providing consistent