Extension Springs
Extension springs are tight wound, helical springs that create a resistance to a pulling force. These springs are wound with an initial tension that holds the coils together. Initial tension is the force it takes to separate the coils. We can make these springs with machine hooks or loops, cross-over hooks or loops, extended hooks, swivel hooks, or any other type to fit your application.
| Specifications | |
| Extension Spring Materials | Beryllium Copper Chrome Silicon Chrome Vinadium Elgiloy Hard Drawn Inconel 600 Inconel 718 Inconel X750 Monel 400 Monel K-500 Music Wire Oil Tempered Phosphor Bronze and Brass Stainless Steel 17-7 Stainless Steel 302 Stainless Steel 316 |
| Extension Spring Finishing | Black Oxide Painted Passivate Plain Yellow Zinc Clear Zinc (Silver) |
| Extension Spring Wire Size | 0.008 to 0.562 in 0.203 to 14.275 mm Larger Sizes Available Upon Request |
| Extension Spring Diameter | 0.030 to 10.00 in 0.762 to 254 mm Larger Sizes Available Upon Request |
| Number of Coils | 1 to 1000+ |
| Extension Spring Free Length | 0.008 to 1200 in 0.2032 to 30480 mm Larger Sizes Available Upon Request |
| Direction of Wind | Left Right |
| Extension Spring End Types | Hooks Loops Swivels |
| Extension Spring Type of Loops | Machines Hooks Crossover Single Full Loop Double Full Loop Side Hooks Extended Machine Cut Tapered |
| Industries Served | Aerospace Agricultural Automotive Aviation Chemical Construction Electrical Electronics Fitness Equipment Food Processing Machinery Marine Medical Mining Oil, Gas, Petroleum Optical Packaging Pharmaceutical Railroad Safety Solar Sporting and many more |