Left-hand spiral flute + straight shank for reliable performance: Left-handed flute improves chip evacuation and cutting action
Experience faster setup and repeatable results thanks to the straight shank's secure seating in collets and chucks
Stock note: In stock label refers to blanks in stock ready to manufacture the reamer
improving evacuation and cooling to maintain stable cutting and a smoother finish
more reliable workflows by combining rigid construction with a geometry optimized for high-precision mold and die work
Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER12UN2MBMA Tapping Chucks Left-hand spiral flute + straightOur Carmex Thread Turning External Insert is part of our industry leading range of thread turning inserts. These high quality laydown triangular inserts are designed to cover UNC, UNF, UNEF and UNS thread standards, providing a versatile solution for most thread turning tasks. Theyre built to handle a wide range of applicationsfrom basic threading jobs to the most demanding ones. Whether youre a professional machinist, design engineer, shop buyer, or