Carmex Thread Turning Holder Standard - Internal - Left Hand - 200mm OAL - 22IL Insert - 25 Shank Size FMH FLH FHH S&E A&NF M&D 52 mm is an intermediate

52 mm is an intermediate precision tool designed to finish bore holes with consistent ISO H5 tolerance

Ensure the workpiece is securely clamped and aligned to prevent cross-threading or runout

Each drill is precision-ground to maintain tight size control and reliable hole quality across multiple materials

3 with a 5H class

minimizing edge deformation and reducing post-machining touch‑ups

Carmex Thread Turning Holder Standard - Internal - Left Hand - 200mm OAL - 22IL Insert - 25 Shank Size FMH FLH FHH S&E A&NF M&D 52 mm is an intermediateEngineered for precision internal threading, the Carmex Thread Turning Holder Standard Internal, Left Hand is designed for machinists who need reliable LH internal threads with a long reach and secure toolholding. Orientation: Left hand internal threading holder, optimized for LH thread production and consistent chip flow. Length: 200 mm overall length (OAL) to reach deeper bore depths without repositioning. Shank Size: 25 mm shank to fit standard