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Torsion Springs

Torsion springs are used to provide resistance in a variety of angular (torque) loading conditions - the most common being hinges and other similar applications. They can store and release angular energy or statically hold a mechanism in place. As the spring winds, the coil diameter decreases and the body length increases. Double torsion springs offer higher precision and consist of two coils wound in opposite directions.

We can assist in determining the best design to provide balanced loading for single or double torsion springs. When you work with Springs Inc, you get the dedicated resources of our experienced design team who are able to assist you with the selection of materials and calculations.

  • Specialized tools from SMI to help you design your next torsion spring project.

  • Responsive design team keeps your custom spring project on track.

  • Test new spring designs and improve product performance with rapid prototyping.

  • Eliminate the need to source raw materials from multiple vendors.


Common Materials

Spring Steel, High Carbon Steel, Low Carbon Steel, Nickel Plated Carbon Steel, Stainless Alloys, Non-Ferrous Materials, Elgiloy®, Hastelloy®, Monel®, Inconel®

Material Options

.007 In. to .500 In. in Wire Diameter, Up to 2.0 In. Bar Stock, Round Wire

End Options

Bent, Hooked, Twisted, Looped to Suit Your Project Specifications


Zinc, Gold Iridite, Passivated, Dykem®

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