RHD, a company specializing in flat spring manufacturing

RHD has over 60 years’ experience in providing flat springs for a great variety of industrial applications.


Compression spring

We manufacture cold-coiled compression springs.

Wave spring

We manufacture wave springs to meet simple or complex requirements.

Tension spring

We manufacture tension springs to meet simple or complex requirements.

Torsion spring

We manufacture torsion springs to meet simple or complex requirements. They can be manufactured from standard machines or specific tools.

Wire form spring

Wire forms are used for a wide variety of applications. Pins, hooks, clips, electrical contact parts, and more, they can be manufactured from standard machines or specific tools.

Flat spring

Flat springs are made using special tools. They can be produced following their morphology on a radial or linear press. RHD has seasoned experts on both types of machines.

Sub-assembly spring

RHD can offer its customers the option of pre-assembly on machine during production in order to shorten the assembly stages and achieve productivity improvements. We are also able to assemble our part with a part supplied by the customer.

Our offer


RHD, 60 years of experience in flat spring manufacturing

Our excellent road map contributed to regain our prestige both on the French market and on the international market. The reputation of the group is not any more to be proved in the “sharp" domain of flat spring manufacturing, because it evolves in it for 50 years. The strategy of the group bases itself on a policy of continuous, common investment over several years, the deployment of means of production answering the current needs, more implication on the international market, an orientation towards buoyant markets, in particular the car industry and cosmetic.

Numerous industrialists use our services from now on, that they approve by a large majority because of the added value that we bring, the concern of the detail which we show during the process of development of our solutions, the quality of the advice and the supports offered to the customers. The RDH group is from now on an actor of size in conception of industrial springs.

What are flat springs?

Also called spring strip or wire, flat spring exists in many shapes and sizes. Its shape does not look like the common springs we know as it does not have coils. Flat springs are blade of metal, the same metal used for making coil springs. They are used on locks, in watch making, mechanical, wind-up toys, in the automotive, automation, etc. Their specificities depend on their use, so flat spring manufacturing requires many skills. It is also recommended to contact a spring manufacturer for insuring the quality and the efficiency of your springs.

Entrust your production flat springs to RHD

RHD provides custom high quality flat springs by the standards of manufacturing and within the time you require. Our flat springs, with 0.1 mm to 2 mm thickness, are made of stainless steel, bronze, carbon steel … depending on your needs. You can request a specific finish to treat your flat springs’ surface. In addition, our production system is fully computerized to produce items with very precise dimensions. Moreover, our team has the expertise to advise you to determine the characteristics of your items.

Besides flat spring manufacturing, we are also specialized the production of springs, both compression springs, torsion springs and shaped thread. Our products are mainly used in the automotive industry, in cosmetics, pharmaceuticals and the medical field. To ensure timely delivery, our machines run 24 hours a day throughout the year.

All items that leave our units meet the required standards and allow our customers to guarantee safe use of their products to end consumers.

Springs play an essential but generally unexpected role in a substantial number of common objects. Among the very numerous goods that necessitate one or several small springs to function efficiently, one would see lighters, bottles of perfume, shock absorbers, robots and industrial machines, watches. The considerable mechanical and sometimes thermal or chemical stresses to which springs are subjected combined to their small size require them to be made following the highest quality standards. Cutting-edge sectors,, including automotive, pharmaceutical or high-tech industries attach great importance to the springs that make up their products.