Our business partners are the cornerstones of the success of Four K. Thanks to the strategic partnerships we have developed with the leading brands in the sector, we offer our customers innovative, high-quality and economical solutions.
Berger Gruppe
Heinz Berger Maschinenfabrik GmbH
For over 80 years, BERGER has been manufacturing grinding and polishing machines specifically designed for the machining of cutting tools, hand tools and other related components.
Acieries de bonpertuis
Founded in 1434, Bonpertuis produces carbon special stainless titanium alloy based steels for cutting tools and other products and is the leader in its market with its indisputable quality features.
WMU
WMU has as its most unique features the most diverse process know-how, a furnace individually tailored to the application situation and furnace capacities offered together with the company GFT. All this is supported by concentrated research activities that have led to many patents and models of use.
Almar
ALMAR was founded in collaboration with the French companies Aciéries et Laminoirs de Rives (ALR) and the Austrian Martin Schienentechnik KG, both specialized in railway systems. Offering global solutions for insulated rail joints, ALMAR designs its products for both direct use on the rail and for preparation in factories. It has received many certifications worldwide for its high-quality service approach.
Stahl Krebs KG
For its national and international customers, it has an extensive stock of around 10,000 tonnes of stainless steel, as well as quality, structural and tool steels. As a modern service provider, it offers innovative services such as material and application advice as well as warehousing, processing and logistics.
Alr
ALR (Aciéries et Laminoirs de Rives) was founded in France in 1976 and specialises in the production of hot rolled and special steel profiles. With an annual production capacity of 50,000 tonnes and a production area of 35,000 m², it serves the railway, agricultural machinery and hand tools sectors. ALR is ISO 9001 certified and approved by leading European railway networks such as SNCF, Deutsche Bahn and Infrabel.
Gebr hartkopf
Initially, forged knives were produced, then garden shears, and this development has extended to general mechanical engineering parts and hand tools. Today, Gebr. Hartkopf offers a wide range of products to customers in various industries.