spline gauges

functional hand held gauges for in-process measuring

machine concept

KAPP NILES Metrology offers a variety of functional Go and No-Go composite and variable indicating spline gauges to support your inspection needs. All spline gauges are designed, manufactured, and supplied, complete with inspection certificates, to meet your specific application requirements.

To verify our inspection system accuracy, we maintain gear prototypes which have direct traceability with the NIST–Y12 US standards laboratory.

Please provide our product specialists with your part drawings and project delivery requirements and we will develop a quotation to meet your needs.

Functional gauges for the production environment.


  • plug gauges (involute, parallel & serration)
  • ring gauges (involute, parallel & serration)
  • taper master plug gauges
  • spur master gears
  • helical master gears
  • helical master component replica
  • variable spline indicator ring type
  • variable spline indicator plug type
  • indicating ring type gauges
  • taper spline mandrels
  • rotalock mandrels
  • lead and involute artefacts