High-performance machine tools for advanced metal forming

Ernst Grob AG is your reliable partner for technological innovation projects. We build dedicated machines and systems for cold forming processes complemented by integrated services from product development to maintenance. Our specialists collaborate with your own teams to master any challenge.

Our core competencies

Ernst Grob AG - Since 1962 we have specialised in external and internal cold forming, slotting and coining and spinning of components made of a wide variety of metals. Our machines are built around the unique Grob cold forming process – a chip-free method for producing splines found nowhere else in the world. We supply applications and services to many industries and focus on our core strengths: cold forming and mechanical engineering. You can rely on our experienced teams – together we will solve your technical challenges.

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Looking for a competent partner right from the development phase?

We are here to assist you. Arrange a free consultation appointment now.

Customized solutions for our customers

With our decades of experience, we can offer you advanced engineering expertise for diverse challenges in the  mechanical engineering and materials processing sector. Learn more about our specialized fields of activity.

Where to find us: Our next trade fairs

16
July
19
July
2025
MF-Tokyo 2025
Tokyo Japan
open for more
Tokyo Big Sight East Halls

The 8th metal forming fair Tokyo Visit us on the CKB booth no. 3 in hall no. 4

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22
September
26
September
2025
EMO Hannover 2025
Hannover, Germany
open for more
Messegelände

Visit us on our booth no. D58 in hall 13

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21
October
23
October
2025
Motion & Power 2025
Detroit, Michigan, USA
open for more
Huntington Place

Innovation Accelerated

Visit us on our booth 763

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21
October
24
October
2025
17. Blechexpo 2025
Stuttgart, Germany
open for more
Messe Stuttgart

Internationale Fachmesse für Blechbearbeitung Visit us on our booth no. 8415 in hall 8

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02
December
03
December
2025
CTI Symposium Berlin 2025
Berlin, Germany
open for more
Estrel Hotel

automotive | powertrain | systems

Navigating The Transition Towards Sustainable Mobility Visit us on our booth B6

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