Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 27IR4UNBMA Die & Mould Collet Chucks Straight Shank with DIN 212‑B

Straight Shank with DIN 212‑B Tolerance: The straight shank fits standard tool holders

The combination of four flutes and a radius edge minimizes chatter and tool wear

and right-hand cutting action delivers reliable

and aligns with common precision-part tolerances

For shops needing dependable mid-volume reaming with straightforward tooling compatibility

Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 27IR4UNBMA Die & Mould Collet Chucks Straight Shank with DIN 212‑BCarmex Thread Turning Internal Insert is a versatile cutting insert designed for internal threading tasks using UNC, UNF, UNEF, and UNS standards. With a right hand orientation and a compact laydown triangular geometry, it delivers consistent thread formation across a wide range of materials. Part of Carmex's industry leading range, this insert is recognized worldwide for its ability to handle basic to demanding applications. The model 27IR4UNBMA is