10-709-4 SPI Setting Ring .225"

10-709-4 SPI Setting Ring .225"

  • $ 87.89
  • Save $ 14.31


Master Setting Ring

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

Specifications include...

  • 0.225" Size
  • + 0.00005" Accuracy
  • 0.000015" 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 20?§ C under standards room conditions