Spline Gauges

Mercury provides a full range of Spline Ring and Plug gauges in order to meet your quality specifications.

Firstly, our gauges are hardened, then each is precision lapped and polished because superior accuracy, optimum gauge surface finish and longer wear life are essential. Finally, we complete the quality assurance process as each and every gauge is inspected and certified in an environmentally controlled ISO/IEC 17025 laboratory. Certainly, our spline ring and plug gauges will provide you with quality, accuracy, stability, durability and reliability because that is what you demand and above all, that is what we continue to deliver.

Mercury’s gauges are designed according to the tolerances ‘actual’ and ‘effective’ therefore, from design to final inspection our design and manufacturing team will work with your team to meet and exceed your expectations.

Go and NOGO gauges are available in various types such as straight-sided, angular sided and also parallel sided.

Additionally, Taper Master Plugs are also available for use with GO or NOGO ring gauges.

Mercury Tool & Gauge’s team of design and technical engineers will gladly assist your engineers in all phases of your gauge design and any other special requirements you may have because your satisfaction is pivotal to our continued success.


Mercury Tool and Gauge offer an extensive range of products that are manufactured to meet the most demanding quality needs in today's market.

If you would like to find out more about our services get in touch with Mercury Tool & Gauge today! Our dedicated customer service team are waiting for your call and will assist you with your requirements.

Tel: +44 (0)2476 694 030
Email: sales@mercury-gauge.com