Carmex Thread Turning Holder 3.5 Helix Angle - Internal - Right Hand - 170mm OAL - 16IR Insert - 20 Shank Size Shrink Fit Holders built for mold and die

built for mold and die work where precision and productivity matter

and clean the hole before assembly

and robust carbide design supports reliable results across varying materials and depths

low-friction DLC coating

is built for demanding metalworking tasks

Carmex Thread Turning Holder 3.5 Helix Angle - Internal - Right Hand - 170mm OAL - 16IR Insert - 20 Shank Size Shrink Fit Holders built for mold and dieCarmex Internal Thread Turning Holder with a 3. 5 helix angle is a precision tool designed for machinists who need dependable internal threading on cylindrical parts. Built for right hand internal threads, it delivers clean, repeatable results in automotive, aerospace, and general manufacturing applications. 3. 5 helix angle: Optimizes chip flow and reduces cutting forces during internal threading to improve surface finish and tool life. Internal