Power Milling Chuck Centaur’s High-Grip Power Milling chuck provides the strength and precision you need for serious milling jobs. Features: EXTREME GRIP Up to five times the gripping power of traditional collet chucks HIGH RIGIDITY Vibration-reducing design for outstanding surface finish PEERLESS PRECISION Unique clamping system guarantees 0.0004” TIR or less at 4 inches COOLANTTHROUGH Compatible with today’s high-speed machining centers with coolantthrough spindles