Tension spring designs are used to store energy and to exert a pulling force.
We are leading Manufacturer and Exporter of Tension spring.
Wire dia - up to 110mm
Out side dia - up to 500mm
Free length - as per coustmer requirement
As with compression springs, most extension springs are made from round wire. Typically, they require more space than other helical spring forms. Load is usually limited by hook stress.
There is a wide variety of hook configurations. Some examples are shown below.