Carmex Thread Turning Holder Standard - Internal - Right Hand - 350mm OAL - 27UIR Insert - 50 Shank SizeDesigned for precision internal threading, the Carmex Thread Turning Holder Standard provides a reliable, long reach solution for right hand internal threads in deep cavities and through holes. Built to work with U Type inserts, it delivers secure alignment and consistent results across demanding machining tasks. Overall length: 350 mm reach to access deep features and hard to reach internal threads Orientation: Right hand internal threading holder