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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.

KÖCO welding machines

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

KÖCO welding studs

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

KÖCO welding guns

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

StudCalc design software

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

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.

ELOFIX 8 - The new generation of compact stud welding machines

ELOFIX 8 - The new generation of compact stud welding machines KÖCO presents a new innovation in stud welding technology: The ELOFIX 8, our compact and powerful welding machine for professional use. As the successor to the proven ELOTOP 510, the …

Combining Excellence: KÖCO merges with HBS Group to shape the future of stud welding

KÖCO and HBS are pushing into the future of stud welding technology – Together. We at KÖCO are starting the year 2025 with pride and confidence: Through the strategic complementary acquisition of the HBS Group, we are expanding our expertise in …

Transport of the first press to our Czech production site

A 110 ton step forward We at KÖCO are currently relocating an important part of our welding stud production from Ennepetal to Zacler, Czech Republic. The first press, which previously produced welding studs at our plant in Ennepetal, has now found …

New sales manager at KÖCO: Welcome Thomas Schlenz!

We are delighted to welcome Mr. Thomas Schlenz as our new Sales Manager at KÖCO. In this interview, Mr. Schlenz shares insights into his visions and plans for driving KÖCO's growth forward. Mr. Schlenz, please tell us about your professional …

Production relocation to the Czech Republic

Production relocation to the Czech Republic In December 2023 we informed all KÖCO colleagues, customers and business partners for the first time about our major project to relocate our welding stud production from Ennepetal to our Czech production …

The blowing-arc-effect during welding

The blowing-arc-effect during welding In arc welding, there is a subtle force that is often overlooked but has a significant impact on the quality of the weld: the blowing-arc-effect. This phenomenon can be both a challenge and a tool for welders, …