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10-728-4 Setting Ring .650"

10-728-4 Setting Ring .650"

  • Save $ 7.27

Master Setting Ring

For comparative gaging, calibration and the setting of internal measuring tools.

Specifications include...

  • 0.650" Size
  • + 0.00006" Accuracy
  • 0.000019" Taper / Ovality

Features include...

  • Made from oil hardened non-shrinking steel
  • Hardened and tempered to 62 RC
  • Actual dimensions duly etched
  • Cryogenic treatment for long-term dimensional stability
  • Calibrated at 20º C under standards room conditions