Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 11IL64UNBMA M&D while the left-hand flute design

while the left-hand flute design promotes efficient chip removal and reduced heat build-up during finishing passes

repeatable external threading across common standards

This 2-flute square-end cutter is sized at 1

Shank: Straight shank for stable alignment

it combines a high-performance HSS-E substrate with a durable AcuRea coating to extend tool life and consistency

Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 11IL64UNBMA M&D while the left-hand flute designCarmex Thread Turning Internal Insert is a left hand, internal threading solution designed for UNC, UNF, UNEF, and UNS standards. Built to cover a broad range of UN thread sizes, this insert helps you complete precise internal threads with consistency and confidence. Broad UN thread compatibility (UNC, UNF, UNEF, UNS): One insert fits multiple internal thread standards, reducing tool changes and simplifying your tooling inventory while delivering