Secure your top jaw segments onto power chucks and rotary indexing fixtures with absolute mechanical rigidity using industrial-grade T-Nuts. Engineered to slide seamlessly into the master jaw guide slots of major lathe chuck configurations, these high-tensile anchoring blocks distribute clamping forces evenly across the guide track. Precision-machined step tolerances prevent rocking or tilting during torque application, while the premium socket head cap screws ensure your soft or hard jaws remain immovably locked in place under severe centrifugal forces and aggressive turning conditions.