Willrich Precision Instrument Company, Inc

WPIModel 440 Series -Dyer Large Bore Gage

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Dyer’s 440 Series indicating plug gages are used for repetitive large bore measurement applications or dedicated high volume production runs.

  • Maximum Measuring Accuracy
  • Linear ≤ ±0.000040″ (≤ ±0.001 mm)
  • Repeatability <0.000040″ (<0.001 mm)