Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 27IR4UNBMA Die & Mould Collet Chucks and profiling in aluminum and

and profiling in aluminum and non-ferrous materials

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

with a left-hand spiral flute and right-hand cutting for efficient chip control and a DIN 212 B–style tolerance of ±0

enabling repeated use and straightforward re-boring to expand part compatibility

The stub form and straight shank deliver repeatable results across materials

Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 27IR4UNBMA Die & Mould Collet Chucks and profiling in aluminum andCarmex 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