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R8 Precision 3 Jaw Chuck 4″

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R8 Precision 3 Jaw Chuck 4″

$218.79

This versatile chuck fits in your R8 spindle so you can hold workpieces up to 4″ for spindle turning operations. Dimensions as shown:

Diameter: 4″
Arbor Mounting: R8
Chuck Center Hole: 0.866″
Chuck Body Thickness: 2.165″
Runout: 0.003″

SKU: 50906 Category: Tags: , ,

Description

This versatile chuck fits in your R8 spindle so you can hold workpieces up to 4″ for spindle turning operations. Dimensions as shown:

Diameter: 4″
Arbor Mounting: R8
Chuck Center Hole: 0.866″
Chuck Body Thickness: 2.165″
Runout: 0.003″

-Self Centering lathe chuck will open and close all 3 jaws simultaneously
-Semi-steel chuck body made from high quality cast iron
-3 pinion available around the chuck body to allow easy access for the lathe chuck key to open or close the jaws
-Each pinion is ground and hardened to HRC 43
-Both sides of the 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 jaws to its designated chuck body, the jaws finish machining is performed on a close tolerance state of the art CNC machine from Japan
-The scroll plate’s thread flank are ground on both sides to achieve tighter contact with the master jaw
-Each chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or rings
-Accuracy is maintained for the entire clamping range
-Comes with everything shown

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