Established in 1962 Spline is the world’s leading manufacturer of Spline Gauges and Master Gears.

Our highly skilled team of engineers are dedicated to producing supreme quality and reliability across our extensive product range, ensuring Spline stand as market leaders in the field of precision gauging.

Spline have invested heavily in manufacturing equipment, processes and people and continue to do so, this gives us the ability to respond quickly and effectively to suit any of our customers demands. We have also adopted lean manufacturing techniques which eliminate waste and compress production times making Spline competitive in the market.

Our professionalism and knowledgebase ensures our quality standards exceed customer expectations. With the use of our fully equipped UKAS laboratory, our team of technicians deliver the highest standards. Quality controls at each stage of manufacture are carefully monitored through our production process through to final inspection, ensuring that every aspect is delivered to precision.

At Spline we pride ourselves on our commitment to customer service and ensuring a fast and effective response to our vast customer base all over the world, this has earned a position of authority in our industry based on our commitment to high quality manufacturing, independent testing and reliable supply of Spline Gauges and Master Gears to some of the biggest companies in the industry and their tier 1 and tier 2 suppliers. Spline is a company you can trust.





  • Plain & Splined Plug & Ring Gauges
  • Taper Master Plug Gauges
  • Lock-Up Concentricity Ring Gauges
  • Variable & Versa Spline Indicators (Ring & Plug Type)
  • Spur & Helical Master Gears
  • Gear Artefacts
  • Tapered & Helical Spline Mandrels
  • Rotalock Mandrels & Workholding Fixtures
  • Fully Traceable In-House Inspection & Certification
  • UKAS Accredited Calibration Services

For further information and to discuss your requirements contact us today at: sales@splinegauges.co.uk alternatively call: +44 (0)1827 872771

Spline Gauges is a Division of Apex Tool Group (UK Operations) Ltd. Registered in England Number 02984345. Registered Office: Apex Tool Group (UK Operations) Ltd, Piccadilly, Tamworth, Staffordshire, United Kingdom B78 2ER