QU Industrial Zero-Set Precision .0005 T.I.R. Fine Adjustment Lathe Chuck Cast Iron, 3-Jaw, 12″ -1123R

• 6-Jaw grips firmly with less total pressure, less distortion. Ideal for thin wall and second operation work.
  Eliminates the need for collets.
• Outstanding accuracy, versatility and long life make our “ZERO-SET” self-centering chucks invaluable
  in the workshop and indispensable in the tool room.
• Scroll and jaws hardened and ground. Scroll balanced. Three hardened and ground pinions.
• Special fine adjustment screws are used to set up the chuck on it’s mounting plate to get precision
  within .0005″ total indicator reading on duplication parts.

3-Jaw Chuck American standard two-piece tongue and groove jaws:

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