BUMAX supplies over 80,000 fasteners to RINGFEDER POWER TRANSMISSION

Leading Swedish manufacturer of premium stainless steel fasteners BUMAX has received orders for more than 80,000 screws from German drive and damping technology leader RINGFEDER POWER TRANSMISSION in the past year.

Sweden’s specialist fastener developer and manufacturer BUMAX has supplied more than 80,000 screws to RINGFEDER POWER TRANSMISSION in the course of 2020. The fasteners have been installed in more than 7,000 new RINGFEDER shaft-hub connections around the world.

RINGFEDER POWER TRANSMISSION is a long-standing customer of BUMAX that has used high-strength corrosion-resistant BUMAX stainless steel screws since 2012 as they are able to transmit high torques with the company’s rust-proof locking devices.
“BUMAX was the only company that could provide the high-strength fasteners with the corrosion resistance we required for our applications,” said Rainer Peter, Senior Product Manager for Shaft-Hub Connections at RINGFEDER POWER TRANSMISSION.
Strength and corrosion resistance for demanding applications

RINGFEDER POWER TRANSMISSION primarily uses BUMAX 109 and BUMAX DX (Duplex) 129 screws to provide the necessary strength and corrosion resistance for its demanding applications.

The German-based company is the international leader in niche markets for drive and damping technology. It offers users worldwide superior shaft-hub connections, damping solutions and coupling systems for the highest functionality and durability requirements in a wide variety of industries.

Today, BUMAX fasteners are used for all stainless steel RINGFEDER products, which are manufactured at the company’s production plants in Germany and the Czech Republic. In 2020, the company installed over 80,000 BUMAX screws in over 7,000 locking devices.

Global stainless steel applications
“The unique advantage of BUMAX 109 is its high strength, which means that we achieve the same transmission values with our rust-proof shrink discs as our standard shrink discs with screws of quality 10.9,” concludes Peter.

In 2016, RINGFEDER POWER TRANSMISSION also began using BUMAX DX 129 screws for some of its products. BUMAX DX 129 is the ultimate choice for applications where very high strength, ductility and corrosion resistance are required. It offers around 20% higher strength than BUMAX 109 and a very high level of corrosion protection.

RINGFEDER rust-proof locking devices are used as standard in gearboxes and pumps and other machines around the world. The products are used by pharmaceutical companies, the food and beverage industry, in geothermal and hydropower power plants, ship drives and packaging machines.

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