Palbit Threaded Coupling Holder - For SO0803 Inserts - 20mm Cutter Diameter - 181071900Palbit Threaded Coupling Holder is a rugged, purpose built tool holder designed for SO0803 inserts, delivering precise internal threading with dependable stability in demanding CNC environments. Compatibility: Specifically designed to accept SO0803 inserts for a seamless threading workflow. Diameter: 20 mm cutter diameter for compact, fine thread applications. Threaded Coupling: Robust threaded interface that enhances insert retention and minimizes