Shars 6 4 Jaw Independent Lathe Chuck TIR Certificate 2 Set Jaw New. Each high quality chuck comes with a. Accuracy is maintained for the entire clamping range. 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.Included 1 set of reversible solid hard jaws. Inspection report on runout on both inside and outside jaws. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Other Workholding". The seller is "discount_machine" and is located in this country: US. This item can be shipped to United States.