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When you need more than
just stud welding technology

We get more out of the industry standard for you. We offer fast reaction times, direct contact persons, reliable products and technical consulting and assistance based on 70 years of experience – also in the event of an emergency. Find out for yourself what it means to be on the safe side at all times. For a good feeling with your project – on all levels.

Products and solutions

Efficient quality assurance.
Active process control.

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This welding machine is not only tough and robust, but also versatile, with a welding diameter range of 6 to 25 mm and an impressive current load of up to 3500 A.

What makes the ELOTOP⁺ 25 Grizzly special is our innovative analysis tool, which allows process control data to be selectively filtered to provide a clear and structured view. This makes archiving your data not only easier, but also more efficient!

Experience the future of welding with the ELOTOP⁺ 25 Grizzly and make your job easier today!

Learn more Product leaflet 402.43 KB Download
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KÖCO welding machines

Perfectly welded studs for every application, even under heavy-duty use. The right machine to suit your requirements.

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KÖCO welding studs

We produce, modulate, and develop every type of welding stud. Take a look here.

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KÖCO welding guns

Our welding guns combine ergonomics with durability, making them the ideal tool for perfectly welded studs.

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StudCalc design software

StudCalc Pro is the ideal tool for steel components with welded-on KÖCO shear connectors in line with the current regulations.

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We are committed to service

Your strong partner for stud welding technology

We are always there for our clients. What does this mean at KÖCO?

First and foremost, we see ourselves as a permanent personal contact person – both for technical as well as sales related questions. Our ambition goes beyond the solution: we are both consultants and optimizers for your stud welding processes and are always at our clients’ disposal.

We are available wherever and whenever it really matters: Directly on site for your project. At any time. If you need us, we will respond immediately.

We not only provide hands-on assistance, we also offer additional services on our service portal: Trainings and seminars on handling stud welding technology, maintenance, calibrations and repairs of welding equipment and much more.

Do you have any technical questions? We would be happy to share our expertise. Are you having an emergency? We can be on site.

Ready to help. Competent. Reliable. At any time.

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KÖCO Blog

News and information from an expert in stud welding equipment.

To the blog

Trade Fair Report of SCHWEISSEN & SCHNEIDEN 2023

Thank you for such a successful trade show! This year, the SCHWEISSEN & SCHNEIDEN trade show in Essen was all about industrial digitalization. With 826 exhibitors and 40,000 trade visitors from 124 countries, it once again confirmed its position …

KÖCO makes stud welding a service experience!

We know the problems of stud welding and the challenges our customers face every day on the construction site. And we know how important good service and solutions are in these moments. That's why we are now stronger than ever and fully committed to …

Interview with Dr. Harald Schulz

After 13 years as Managing Director of Köster & Co. GmbH, the time has come for Dr. Schulz to retire. Before he’ll make his farewells on December 31st 2022, he was happy to answer our questions for the following interview. Dr. Schulz, you took …

KÖCO at the EuroBLECH 2022

Four successful trade fair days in Hanover When, after four years and a forced break, the industry returned to EuroBLECH in Hanover at the end of October, KÖCO was of course there. After all, we had big plans - keyword "BRUNO". It was foreseeable …

Hello, my name is BRUNO👋

I'm the first automatic stud welding robot from KÖCO The demands that KÖCO placed on me as their first automated solution for stud welding, were extremely high: easy to handle, variable-programmable and -controllable, flexible to use with various …

KÖCO celebrates 70th anniversary

In 1952, Bruno Köster founded the company Köster & Co. in order to produce welding studs for the power plant and shipbuilding industry. Fast forward to today, KÖCO is the general market leader in stud welding technology and more successful than …