Shars 6" 3 Jaw Reversible Self Centering Lathe Chucks D1-4 .003" New 202-5438 XL[($235.00Value)

Description

MFG SKU#: 202-5438 Brand: Shars Tool Stud Diameter: 5/8" Chuck Diameter: 6" Thru Hole Size: 1.575"

• 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