Spline Gauges Ltd
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Precision Spline Gauges & Master Gears
Spline Gauges Ltd
Spline Gauges Ltd is a specialist UK manufacturer of high-precision spline gauges, master gears and associated gauging solutions. Based in Tamworth, Staffordshire, the company supplies precision measurement and inspection products to customers throughout the UK and worldwide.

Our product range includes spline plug gauges, spline ring gauges, master gears, spur master gears, helical master gears and specialist gauges manufactured to customers' individual drawings and specifications. We support a wide variety of spline and gear inspection requirements for both production and quality-control applications.

Spline Gauges works with customers across industries including automotive, motorsport, aerospace, defence, energy, marine and general precision engineering, where accurate dimensional inspection and dependable gauging are critical.

In addition to gauge manufacture, we provide specialist spline gauge and gear-related calibration services, helping customers maintain the accuracy and reliability of their inspection equipment.

With extensive experience in precision gauging and gear inspection, Spline Gauges combines specialist engineering knowledge with modern manufacturing and measurement techniques to provide reliable, accurate solutions for demanding applications.
Served areas
  • United Kingdom, Europe, North America, Asia, Middle East, Worldwide
Details
  • Year established: 1962
  • Employees: 50
Highlights and features
  • UK manufacturer of spline gauges and master gears
  • Established in 1962
  • Over 60 years of specialist experience
  • UKAS-accredited calibration laboratory
  • Bespoke gauges manufactured to customer specifications
  • Spline plug and ring gauges
  • Spur and helical master gears
  • Component splines and gears
  • Design, manufacture and certification in-house
  • Worldwide supply
  • Precision engineering for demanding applications
Associations and certifications
  • UKAS ISO/IEC 17025:2017 Accredited Calibration Laboratory No. 0015
  • ISO 9001:2015 – Certificate FS 503702
  • ISO 14001:2015 – Certificate EMS 525187
Payment methods
  • Checks
  • Bank transfers
Services
Spline Gauges manufactures high-precision spline plug gauges for checking circular space width on internal spline components. Straight and helical gauges are available to recognised international standards including DIN, ANSI/AGMA, ISO, BS, JIS and SAE, with bespoke designs available to suit specific gauging requirements.
UK manufacturer of precision spline ring gauges for checking tooth thickness on external spline components. Spline Gauges produces involute, parallel and serration ring gauges in a range of materials and international standards, including bespoke gauges manufactured to customer specifications.
Spline Gauges manufactures high-precision internal and external master gears for composite gear inspection and other specialist measurement applications. Master gears are produced to internationally recognised DIN, AGMA and ISO standards, with bespoke spur, helical and internal master gears available for customers worldwide.
Precision internal master gears and component replicas manufactured for setting dimensions under balls and setting up roll-checking equipment. Spur and helical designs are available to recognised DIN, AGMA and ISO accuracy standards, including bespoke components to customer requirements.
For this one, until we find a dedicated calibration URL, Id point it to the most relevant existing page rather than inventing one. Spline Gauges' own site confirms it provides ISO/IEC 17025 UKAS-accredited spline and gear calibration services.
People
Ian Garratt
Managing Director
Ian Garratt is Managing Director of Spline Gauges Ltd, a specialist UK manufacturer of precision spline gauges, master gears and associated gauging solutions. He leads the companys continued development in precision engineering, supporting customers across automotive, aerospace, defence, motorsport and other demanding engineering sectors worldwide.
Reviews (2)
Maciej Marulski
Maciej Marulski
Jul 29, 2025
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Very good quality products and professional support.
Kim Shepherd
Kim Shepherd
Jul 11, 2025
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Responsive, price competitive, extremely helpful and complete professionals. Works and reports returned to highest standards, always maintaining communications. Couldn't recommend more highly