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Extension springs are axial tension coil springs, its hook-and-lateral hook tension spring in the form of long hook tension spring. could be single hook tension spring or double hook tension spring.

Extension springs are widely used in medical and respiratory equipment, motion control, medical equipment, mobile equipment, hand tools, home care Springs, shock absorption, pump protection against mechanical and electronic hardware, flow control valve, mechanical equipment and machines for aerospace components, actuators, switches, instruments.

Capability of Extension Springs:
Diameter 0.05mm – 10mm

Material of Extension Springs:
Carbon steel, stainless steel, brass, aluminum, kovar alloy, zinc plated nickle plated steel and so on.

Application of Extension Springs:
Mobile electrical contacts, led lighting fixtures, auto industry, sanitary ware and so on.

Double Hook Extension Spring
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