Depth Gages Instrument Information
An instrument containing an interchangeable rod, base and measurement readout. The base is placed on the plane of the hole to be measured and the thimble is turned until it bottoms out on the hole.

Common Uses
- Determining the depth of a machined hole.
Common Types
- Readout Type (Vernier, Dial, Digital)
- Range
Measurement Parameter
- Depth (in, cm)
Calibration Discipline
Calibration Equipment Used
- Gage Blocks