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What are extension springs?

   Extension springs are designed to absorb and store energy creating a resistance to a pulling force.  

    All coils are active in an extension spring, and it is initial tension that hold the coils tightly together.

Extension Spring Photos

Spring Shape

   Hook type at either end


Working Extent

    Available wire diameter: ø0.1mm ~  ø4mm.


    Car, Industrial machine, Brake, Absorber, Steering, Door Hinge, Transmission,

     Agricualtural machine, Heavy equipment

Spring Design Formulation



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