SHARS 20 3 Jaw Reversible Self-Centering Lathe Chuck. 0059 TIR Runout Certificate NEW. Outstanding accuracy, versatility and durability. Each high quality chuck comes with a certification that documents TIR. Back mounting: Plain back. Center hole: 7.87. Bolt Circle Diameter: 18.307. Input Torque: 630 Nm. Semi-steel chuck body made from high quality cast iron. Three pinion design with each pinion ground and hardened to HRC 43. Two piece jaw design with a master jaw and a top reversible jaw in American Standard tongue and groove specification. Both side of jaw teeth and guides are ground and hardened to HRC 58-62. Each set of jaws are serialized in their own set. A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy. Before assembling the jaw to its designated chuck body, the jaw’s finish machining are performed on a closed tolerance state of the art CNC machine from Japan. Scroll plate’s thread flank are ground on both side to achieve a tighter contact with the master jaw. Each chuck has gone through rigorous accuracy and repeatability inspection with clamping and jamming multiple random testing rods or rings. Accuracy is maintained for the entire clamping range. Clamping Range A-A1: 0.984-11.024. Jamming Range B-B1: 5.906-19.685. Clamping Range C-C1: 5.906-19.685. If you need to speak to a sales person feel free to call. We are open Monday through friday 8:30 to 5:00 est. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Lathe Chucks”. The seller is “discount_machine” and is located in this country: US. This item can be shipped to United States.
- Modified Item: No
- MPN: 202-5449
- Custom Bundle: No
- Brand: Shars Tool
- Non-Domestic Product: No