ADVANTAGES WKK
- Design, toolmaking and series production at the same location
- Process safety (ISO 9001 and 13485)
- High level of punching know-how
- prototype manufacturing
- Flexibility of an SME
- Environmentally conscious (ISO 14001)
Punched parts, punched articles and punching tools - we are your partner
Welcome to WKK - we are your partner for innovative, rational and profitable solutions for stamped and bent parts!
For 50 years, WKK Kaltbrunn AG has held its own in a highly competitive market. As a supplier, we have always managed to be close to our customers and their needs, despite the ups and downs. Thanks to innovations in toolmaking and perfection in series production, we can proudly write "Made in Switzerland" on the stamped parts we produce, despite the strong currency pressure. Immerse yourself in the world of WKK Kaltbrunn AG and let us know what experience we can offer you. Innovative, fast and cost-efficient - that's what we stand for as your partner for high-quality sheet metal products! Our own tool shop and stamping shop are the hallmarks of our core competence.
New: Punching seminars for designers

Stamped parts are own. The basis for qualitatively perfect and economical stamping parts is laid very early on. A development engineer with in-depth stamping knowledge can identify critical points at an early stage. What are the possibilities and limitations of stamped parts? WKK is happy to pass on its expert knowledge. From June 2019, WKK will be offering compact two-hour punching seminars with punching knowledge for designers. Participation is free of charge. This way to the punching seminar.
The punching seminar
Complex stamped parts and sheet metal parts can be finished in large quantities
are produced with punching tools. We are the experts.
Visit our punching seminar and learn more.
Roll the film!
To give you an overview of our services,
we have compiled an image film for you. Have fun
on this little tour through the world of WKK Kaltbrunn AG!

Innovation and precision - from the punching shop to the operating table
04.08.2023 -WKK Kaltbrunn AG produces high-precision metal parts that are also used on the operating table. Read the successful portrait in the magazine "Best of St. Gallen".
Continue reading...
WKK at the sponsor run Together against childhood cancer
22.05.2023 -The legs are burning, the heart is pounding, the runners add another lap, the spectators cheer!
It is shortly after midday at the Fronwald sports facility in Zurich Affoltern. The sponsored run "Together against childhood cancer" is taking place here.
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Stay on the ball and always be well informed about what is going on at WKK, the punching company from Switzerland. We send out a newsletter about twice a year by introducing our competent employees, pointing out upcoming events and informing you about new developments in and from our company. Register now!