Tougher lighter more compact
Chipless forming

Chipless, ready-to-install, in all batch sizes — and always the exact shape you require. We’re the experts to take you to the next level.

Cold forming

The benefits for you

Do you need ready-to-install rotationally symmetrical components? We provide a production method that opens up new possibilities for almost any material. Imagine if your components were more compact, lighter, stronger, and more economical.

Our spirit

“How we work”

What defines us


What is flowforming?

Flowforming? Flow rolling? GROB forming? What’s that and what are the benefits in comparison to machined parts? In this video we explain you the chip less forming technologies flowforming and GROB-forming and show you how to gain its advantages for your products and applications.

Stöhr became part of Winkelmann Flowforming

Stöhr Armaturen GmbH & Co. KG located in Königsbrunn (GER) became part of the Flowforming division of the Winkelmann Group. This enables us to offer valves, assemblies and complete solutions for various technical gases and especially hydrogen for stationary and mobile applications.

The extension continues!

With the successful acquisition of the companies K&H Zerspanung and LaserTeam from Gallin. We are further expanding our know-how of machining components and laser welding. Another important step to offer our customers complete assemblies ready-to-install.

The company

Winkelmann Flowforming

We are a proud, professional and innovative member of the Winkelmann Group, a global family-owned company founded back in 1898. We have been involved in chipless forming of metal parts since the 1970s — always pushing the boundaries to shape the technology and the future. A team of 115 experts in flowforming technology, we all share the same passion and conviction — and look forward to working with you on your challenging project.

company history


Our team for your project

Robert Temmann

Your expert for aerospace & industrial applications

Michael McGowin

Your local expert for aerospace & industrial applications in North America

Henrik Wünsch

Your expert for aerospace & industrial applications

Sven Bümmerstede

Your expert for driveline components

Johannes Hengemann

Your expert for driveline components

Feridun Karatas

Your local expert for machining in Turkey

Alex Greb

Your valve expert for international sales at Stöhr

Michael Pfadler

Your valve expert for DACH sales at Stöhr