single torsion spring
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China Single Torsion Springs HYAD0080401
Torsion springs are designed to resist rotational forces or torque. They store energy when twisted and release it when the torque is removed. Torsion springs are widely used in clothespins, vehicle suspensions, mouse traps, and various other devices that require rotational force. There are three different types of torsion springs, such as single torsion springs, double torsion springs and spiral wound torsion springs (also named constance force springs).