Where can you find our references?

Build and customize your gas spring using your existing dimensions.

gas springs configurator Configure
Equivalence search

Enter your gas spring reference to find an equivalent in BM gas spring.

Technical helpdesk

Tell us what you need and we do the rest. An expert will send you a proposal.

Technical helpdesk Submit

Force calculator

Determine the appropriate FORCE for your gas spring regarding your application.
If you need assistance, go through our Technical helpdesk and our experts will study your project.

Why choose Berthold Marx

Technical helpdesk

A team of experts for a personalized study, check our Technical helpdesk page

gas spring

Quality and durability even in the most challenging conditions

Our range of gas springs

A wide range of accessories and special gas springs available.
Consult our catalog

Fast delivery

A fast delivery in 48 hours and a reactive and quality after sales support

Berthold Marx presentation

Specialized in gas springs, Berthold Marx S.A. is proud to be at the service of the industry since 1947.

With more than 2600 customers throughout France, our main objective is to help our customers solve their technical problems, and deliver with short leadtimes.

Our main fields of application are trucks, special vehicles, special machines, boats, industry, medical, construction and furniture.

Berthold Marx presentation Berthold Marx presentation

Some of our customers

Customer testimonial

"I recently ordered 2 gas springs for a motor home and I am very satisfied.
Excellent phone welcome and advice, shorter than expected delivery time , and perfect packaging."

"Gas springs purchased and received very quickly. The quality of the product is TOP, in accordance with the one ordered. Very good value for money. Sav very efficient. Exchange with very good quality part after phone call. Would recommend."

"Very satisfied with my order of gas springs.
Great value for money.
Very professional and responsive customer service.
I recommend +++"

Our commitments 

Berthold Marx is a French company involved in social and environmental responsibility.
The preservation of the environment is an essential condition for the proper management of our activities and a source of competitiveness.
We are therefore continuously improving the environmental performance of our facilities.  We are implementing a genuine environmental approach motivated by research, prevention and communication with our partners.

solar panels

Our solar panels generate 55% of our electricity from solar energy.

Electric charging stations

Berthold Marx is equipped with electric charging stations for our staff.

Hybrid vehicles BM

Our fleet is equipped with hybrid vehicles.

selectively sort

We selectively sort our industrial waste.

stuffing material

We recycle packaging to make stuffing material.

Recycled gas springs

Gas struts have a second life when they are recycled.


Video tutorial - Fit a locking tube to a threaded ends gas spring

This video explain how to fit a locking tube to a threaded ends gas spring

Read the news

Video tuto - Remove a gas spring from an application

In this video, we'll show you how to remove a gas spring from an application.

Read the news
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