To ensure high quality tension springs, the brandgroup use the entire range of materials starting from cold drawn and patented spring steels and stainless steels up to highest-strength oil-tempered valve spring wires. Tension springs are fully automated manufactured with a wire strength of up to 6.50 mm and semi-automated up to 12.00 mm. We are your first choice, especially in the manufacturing of special forms and eyelets. Most diverse surfaces, color markings and labelings of all types are available and can be individually designed. Optional multi shot penning substantially increases the lifetime. We produce spring assemblies based on spring bodies with additional components in large series.
Tension springs for doors
Tension springs for garage doors are manufactured in the different versions with wire diameters up to 8.00 mm. For double and multiple packets, we use wire diameters up to 3.30 mm. Most diverse surface treatments are possible, such as galvanization, painting as well as powder coating. We also manufacture tension springs with eyelet forming according customer request. We deliver all tension springs in the material qualities DIN EN 10270-1 or DIN EN 10270-3. Special qualities are also available if required. The brandgroup is also your first choice if you look for suitable wire forming parts, leg springs, arc springs or other technical springs.