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All Categories > Special Application Gages > 282 Series Measure Precision Bore I. Ds with Central Hub Obstruction > Item # 281  
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Item # 281, Part Circle Gages



  • Electronic
  • Blind and shallow bores
  • Automatic centering
  • Adjustable depth-stop optional
  • Customized standards, contact Dyer office
Precision measurements of recessed inside diameters with short or long shoulder hub obstruction.
There is no operator influence when measuring the hub. Ideal for bearing surface diameters.





 Maximum Measuring Accuracy   

Linear less than equal to ± 0.000040 inch (± 0.001 mm)
Repeatability less than equal to 0.000020 inch (0.0005 mm)
Gage R & R less than equal to 10% capability when measuring high tolerance applications.