Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER64UNK20 RPTECH while the left-hand spiral flute

while the left-hand spiral flute and right-hand cutting geometry promote efficient chip evacuation and predictable cutting action during reaming

while the sturdy 16 mm arbor hole ensures quick

Its robust material and DIN-standard design provide consistent performance across jobs

This insert helps you achieve consistent

The combination of a targeted metric fine-thread specification

Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER64UNK20 RPTECH while the left-hand spiral fluteCarmex Thread Turning External Insert is an industry leading solution designed for cutting external threads on right hand UNC, UNF, UNEF, and UNS standards. This laydown triangular insert is built to cover the majority of common thread standards, helping shops simplify tooling and reduce the need for multiple inserts. Its suitable for engineers, buyers, tradespeople, and hobbyists who need reliable, consistent threading performance. Whether youre