Carmex Thread Turning Holder Through Coolant - Internal - Left Hand - 170mm OAL - 16IL Insert - 20 Shank Size FLH while the ISO H5 tolerance

while the ISO H5 tolerance and spiral-flute geometry deliver smooth cutting and consistent sizing across production runs

Ground to bore: Hollow-ground to provide side clearance and reduce rubbing near the bore

Use it to reduce chatter

delivering consistent test results across a wide range of components and assemblies

Carmex Thread Turning Holder Through Coolant - Internal - Left Hand - 170mm OAL - 16IL Insert - 20 Shank Size FLH while the ISO H5 toleranceThe Carmex Thread Turning Holder Through Coolant for internal threading is a precision tool designed for machinists performing deep, accurate internal threads. This left hand (IL) variant is built for dependable performance in demanding applications, with a through coolant design that supports efficient chip evacuation and consistent cooling. Through Coolant Bore: Integrated coolant channel delivers fluid directly to the cutting edge to improve chip