Carmex Thread Turning Holder Standard - Internal - Left Hand - 170mm OAL - 16IL Insert - 20 Shank Size FHH 12 x 3 size

12 x 3 size

quick‑change tool retention that fits standard BT50 spindles

dimensionally stable holes to support reliable assembly and performance in engineering projects

Its user-friendly design lets you quickly identify whether a part’s threads conform to the M32 x 0

Stable laydown triangular geometry: Provides a solid cutting action with reduced vibration

Carmex Thread Turning Holder Standard - Internal - Left Hand - 170mm OAL - 16IL Insert - 20 Shank Size FHH 12 x 3 sizeThe Carmex Thread Turning Holder Standard is a precision internal threading solution designed for shops that need reliable lefthand threading reach. Built to deliver secure toolholding and consistent thread quality, its a practical choice for machinists working with tight tolerances and deep cavities. Left hand internal threading holder: Specifically configured for lefthand internal threads to ensure correct chirality and cutting dynamics. 170 mm