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Variable (Indicating) Spline Gage Set
Variable (Indicating) Spline Gage Set
Regular price
$0.01 USD
Regular price
Sale price
$0.01 USD
Quantity
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The WESTport variable (indicating) spline gage set combines a GO plug or ring with a measuring insert and setting master to read actual space width or tooth thickness — variable data, not just pass/fail. SPC data output is available for statistical process control.
Variable data for internal or external splines
Reads composite error and actual size on involute and straight forms, reducing reliance on multiple fixed-limit gages. Set with the included master for repeatable, traceable measurement.
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
Request a quote to configure a set for your spline.

Specifications
| Gage Type | Indicating spline gage |
|---|---|
| Measurement Mode | Variable (indicating) |
| Spline Profile | Involute / straight-sided |
| Diameter Range | Per configuration |
| What It Inspects | Actual space width / tooth thickness, composite error |
| Certification | NIST-traceable Certificate of Accuracy included with every gage. |