Dorsey Metrology Internal Pitch Diameter Bore Gage

The Internal Pitch Diameter gage is ideally suited to check the internal pitch diameter of gears and splines. It can also be used to check any internal dimension where centralization is not necessary. Production models are available for a specific “best wire size dimension. Models over 1.25″ are supplied with interchangeable screw-in
contacts. Special Fixed “V masters are available to suit the application

Call 866-945-5742 or email: [email protected] for pricing


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  • Carbide ball contacts (best wire size).
  • Interchangeable screw in contacts.
  • Can be used to check PD or major root diameter of gears and splines.
  • Optional fitted storage case available.

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internal pitch diameter gages

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