Palbit Threaded Coupling Holder - For AN1607 Inserts - 40mm Cutter Diameter - 181082900Palbit Threaded Coupling Holder for AN1607 inserts (Model 181082900) is built for high precision internal threading. With secure insert clamping and exceptional rigidity, it delivers repeatable thread accuracy in CNC applications using a 40mm cutter diameter. Secure insert clamping: Precision seats hold AN1607 inserts firmly to maintain consistent thread profiles. Superior rigidity: Robust construction minimizes deflection under load for clean,