Tension (Extension) Springs
Features：
Tension springs are made from different qualities of wire and are tightly coiled. The spring stretches when bearing force. The ends are formed into hooks for easy assembly into the target product. The springs are usually made in round, cylindrical sections while the hooks can be round, half-round, U- or V-shaped or square.
Application：
Auto parts springs, sports equipment springs, lamp springs, curtain hardware, jewelry springs, pump springs
Production range：
material wire diameter 0.1mm (0.004") ~ 8.0mm (0.315")
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Coned end Without Hook
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Diagonal Hook
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Double Twisted Full Loop
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English Hook
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Extended Loop_U Hook
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German Hook
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Half Loop
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Offset Hook
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Special Hook
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Special Loop
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Square Hook
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V Hook
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Swivel Hook_before
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Swivel Hook_after
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Non Cylindrical &Double Twisted Full Loop
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Double Twisted Full Loop on Side
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Zero Initial Tension Spring
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Coned End with Swivel Bolt
