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Taper Master Plug Gage
Taper Master Plug Gage
Regular price
$0.01 USD
Regular price
Sale price
$0.01 USD
Quantity
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The WESTport taper master plug gage is the setting master used to zero and verify spline ring and indicating gages, ensuring your entire spline gaging system traces to a common standard.
Consistent setup, traceable results
Used to establish the reference for spline ring gages and indicating sets, so every measurement across your shop starts from the same verified zero.
Certification & quality
- Designed, ground, and hand lapped in-house for accuracy and long service life
- Certificate of Accuracy, NIST-traceable — included with every gage
- Calibrated in our ISO/IEC 17025 accredited laboratory; Long Form Certificate available on a 5–7 business day turnaround

Specifications
| Gage Type | Taper master plug gage |
|---|---|
| Measurement Mode | Setting master / reference |
| Spline Profile | Involute / helical / straight-sided |
| Diameter Range | Per configuration |
| What It Inspects | Reference setting for ring gages |
| Certification | NIST-traceable Certificate of Accuracy included with every gage. |