Extension Springs | Everything in Stock

One of Europe’s largest selections of extension springs

We made it easy to find the required extension spring. With over 300,000 standard extension springs in more than 3000 different sizes, we have one of Europe’s largest selections of extension springs in stock. We stock every size from the smallest extension springs used in watches to big extension springs used in the industry. The range of standard extension springs offers springs in unloaded lengths from 6.35 mm to 377.00 mm and strength from 1.42 Newton to 1110.00 Newton (0.14 Kg - 113.18 Kg).

You'll find the largest selection of extension springs in the A&B series. In these series all springs are delivered with closed German eyes and are manufactured according to the DIN-2097 standard.

The extension springs in Series A & B should be able to meet your needs. However, if the right extension spring cannot be found, series-C and series-D may have the required spring.

We also made it easy to find the right dimensions. After selecting a model, it is possible to sort the assortment via sort sliders on the table pages.

On this page you can choose from three thread types: Certified Music Wire, Stainless Spring Steel and Electrogalvanized Spring Steel. The model produced in Certified Music Wire is not rust-resistent. When used in a humid environment, the ranges produced in stainless steel are recommended.

Extension Springs - Spring Steel / Music Wire

Range A & B extension springs produced in spring steel. Made in the highest quality. Over 1,000 different options in stock. For use in dry environment. Also available in stainless steel

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Wire diameter (d): 0.18 mm - 5.26 mm
Outer diameter (De): 1.60 mm - 55.00 mm
Total length (L0): 6.35 mm - 377.00 mm
Maximum Force (Fn): 1.42N - 1,110.00N
Extension Springs - Stainless Steel

Range A & B extension springs produced in stainless steel. Made in the highest quality. Over 1,000 different dimensions in stock.  For use in all environments. Also available in spring steel /music wire

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Wire diameter (d): 0.18 mm - 5.26 mm
Outer diameter (De): 1.60 mm - 55.00 mm
Total length (L0): 6.35 mm - 377.00 mm
Maximum Force (Fn): 1.19N - 924.60N
Extension Springs - Galvanized Spring Steel

Range C extension springs produced in galvanized steel. Small range made in the highest quality. For use in all environments. Also available in stainless steel wire. The dimensions are the same for electrogalvanised and stainless steel.

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Wire diameter (d): 0.60 mm - 1.75 mm
Outer diameter (De): 7.00 mm - 16.00 mm
Total length (L0): 34.50 mm - 131.00 mm
Maximum Force (Fn): 11.15N - 130.66N
Extension Springs - Stainless Steel

Range C extension springs produced in stainless steel. Small range made in the highest quality. For use in all environments. The series is also available in galvanised wire. The dimensions are the same for electrogalvanised and stainless steel.

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Wire diameter (d): 0.60 mm - 1.75 mm
Outer diameter (De): 7.00 mm - 16.00 mm
Total length (L0): 34.50 mm - 131.00 mm
Maximum Force (Fn): 9.26N - 110.12N
Extension Springs - Spring Steel / Music Wire

Range D extension springs produced in spring steel. Made for tests and production of prototypes. For use in dry environment. The springs are also available in stainless steel wire.

Please note that these springs do not have loops.

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Wire diameter (d): 0.40 mm - 5.00 mm
Outer diameter (De): 2.40 mm - 45.00 mm
Total length (Lk): 300.00 mm - 1,000.00 mm
Extension Springs - Stainless Steel

Range D extension springs produced in stainless steel. Made for tests and production of prototypes. For use in all environments. The springs are also available in piano wire.

Please note that these springs do not have loops.

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Info box
Wire diameter (d): 0.40 mm - 5.00 mm
Outer diameter (De): 2.40 mm - 45.00 mm
Total length (Lk): 300.00 mm - 1,000.00 mm

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