Palbit Threaded Coupling Holder - For RD1604 Inserts - 16mm Cutter Diameter - 181002600Engineered for heavy duty internal threading, the Palbit Threaded Coupling Holder is designed to pair with RD1604 inserts for reliable CNC threading performance. With a 16 mm cutter diameter, it delivers superior rigidity and secure insert retention for consistent, high precision results in demanding production environments. Product code: 181002600 RD1604 insert compatibility: Specifically designed to accommodate RD1604 inserts for secure, drop in