True Position Gage Instrument Information
A device used to accurately determine the true position of a tapped hole. The device contains a threaded end, which is inserted into the tapped hole, with a measurement reference on the back.

Common Uses
- Accurately determining the true position of a tapped (threaded) hole.
Common Types
- Thread Size
Measurement Parameter
- Centering
- Threading
Calibration Discipline
Calibration Equipment Used
- Indicators