Palbit Threaded Coupling Holder - For RD12T3 Inserts - 30mm Cutter Diameter - 181012000Designed for high precision internal threading, Palbit Threaded Coupling Holders deliver rigidity and secure insert retention when paired with RD12T3 inserts. With a 30 mm cutter diameter, this holder supports accurate thread profiles in demanding CNC threading operations. Compatibility: Specifically designed for RD12T3 inserts to ensure a reliable, drop in fit at operation start. Rigidity and retention: Robust clamping and coupling geometry minimize