Palbit Threaded Coupling Holder - For XP1003 XP1003 Inserts - 16mm Cutter Diameter - 181200100Engineered for precision threading, the Palbit Threaded Coupling Holder securely seats XP1003 inserts to deliver consistent, high quality internal threads in demanding CNC environments. Designed for machinists and engineers who require reliable performance and repeatable results. Threaded coupling design: Optimized interface specifically for XP1003 inserts to ensure a secure, repeatable connection. Secure insert clamping: Precision clamp mechanism