With more than 70 years of experience in gear cutting, GRIMONPREZ TRANSMISSION GEARS - GTG is specialized in :
  • Manufacture of all types of gears (spur gears, helical gears, straight bevel gears...) 
  • Manufacture of transmission elements in small and medium series 
  • Cutting, grooving, broaching, turning and CNC milling
  • Heat and surface treatment

We work from drawings or models provided by our customers.

Always listening and offering efficient solutions, customer satisfaction is GTG's first commitment.
Rectification cylindrique


High precision finishing

We deliver high precision technical parts.

Our state-of-the-art machinery finishes your parts according to your strictest requirements:
  • Heat treatment
  • Tooth grinding
  • Cylindrical grinding
  • Honing

Come and discover our latest innovations in the manufacture of your gears and transmission elements; thanks to state-of-the-art machines and experienced and competent personnel.

Discover our expertise


Latest generation machines

We pay particular attention to supporting constant investments in the latest generation of CNC machines.

Thanks to a machine park equipped with robots GTG ensures reactivity, competitiveness and traceability of the parts with controls adapted to the most pointed applications..



Contact us

centre d'usinage fraisage


Meet your needs 

Our first and foremost objective is to follow you in your projects!

We assure you a great flexibility of production, which allows us to :
  • Produce your parts in small and medium series (from 10 to 20,000 parts/year)
  • Offer products and services of impeccable quality, often tailored to your requirements


High service quality

We invest in our people as well as in our machines, which allows us to guarantee the respect of the ISO9001 standard and procedures for an optimal quality. Thanks to a strict quality policy associated with efficient control equipment, we ensure quality at every stage of production.


Know more about quality

Appareil de mesure denture Klingelberg P65





Dedicated to leading industrial sectors

For more than 50 years, we have been putting our know-how at the service of various sectors of activity: 
  • Aeronautics
  • Civil engineering 
  • Transport
  • Marine
  • Energy
  • Industry
  • Agriculture 
  • Defense

International shipping

50% of our turnover is realized in export:
Europe, United States, Japan, Brazil, Australia, China, Canada, India, England
Carte du monde expedition à l'international
Logo camion de livraison à l'heure


On-time delivery 

We are committed to providing a timely delivery service. Aware of being a link in the chain on which our customers rely, we do everything possible to deliver our customers with impeccable quality in time and quantity.

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