Tension (Extension) Springs
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 (0.0039") ~ 8.0mm (0.315")