The Carmex Thread Turning Holder Standard for Internal threading is a purpose-built right-hand solution designed for precision internal threading in metalworking environments. With a generous 400 mm overall length, it provides stable reach and reliable performance when producing internal threads using U-Type inserts.

• Right-hand internal threading holder: Specifically configured for correct threading direction in internal applications, ensuring clean, accurate threads.
• Overall length: 400 mm OAL for extended reach and rigidity during deep or hard-to-reach internal operations.
• Shank size: 60 mm shank for secure mounting and robust toolRun in demanding setups.
• Insert compatibility: Designed to work with 27UIR internal-thread inserts for consistent cutting geometry and finish.
• U-Type insert compatibility: Engineered to mate securely with U-Type inserts, delivering precise fit and dependable performance.
• Helix angle: 1.5° helix angle to optimize chip evacuation, reduce cutting forces, and promote smoother threading actions.

Utilizing this holder with the appropriate 27UIR insert delivers repeatable internal threads with excellent surface finish and reduced tool vibration. The combination of the long reach, secure 60 mm shank, and a small 1.5° helix angle supports efficient chip control and longer tool life in production or job-shop settings. Ideal for operators seeking a reliable, consistent internal threading solution that pairs with U-Type inserts for secure, precise performance.