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Master Ring Gauges PRGMC01

Master Ring Gauges PRGMC01

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The main calibration ring is used for calibrating measuring devices. or a high-precision comparator In most cases, users The ring is the reference standard. This standard will be the basis for all precision measuring equipment. and can be traced back to the laboratory

Master Ring is specially treated with high and low temperatures. With several rounds of tampering This can avoid the steel material growing after many years of storage.


  • Steel
  • Solid carbide
  • Ceramic

Standard gauge tolerances

  • Class xxx, xx, x

* All rings are calibrated and the actual size is engraved on the ring surface.

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