1.Extension spring is available in many industrial ways.
2.Wire Dia:0.1mm-10mm.
3.High quality and low price.
4.Best service.
1) We have advanced production and testing equipment and have ten years of experience.
2) Professional technical staff members and excellent raw materials from Japan ,South Korea and Taiwan area.
3) We have imported stainless steel,piano wire,carbon steel,phosphor,bronze and so on.
Extension spring
Hardware springs' second most commonly used springs, extension springs are used for garage doors, trampoline, automotive, displays, farm equipment, just to name many of their uses.
Extension springs are most notable by their closed coil design and hooked ends.
Material | Piano wire, stainless steel, High Carbon Steel, Nickel Plated, Phosphor copper Bronze, Copper Bronze, Beryllium Copper. |
Wire Diameter | 0.1 mm ~ 10 mm and above. |
Outside Diameter | 1.0 mm and above. |
Total Coils | Active coils , the hooks on both ends are excepted. |
Free Length | The overall length of a spring in the unloaded position. |
Load | Our computer can assist you figure out the load design. |
Style of Ends | half loop / full loop |
Surface Finish | Nickel / Zinc / Gold / Silver / Tin / Chromium / Yellow Zinc / Oxide black or Customizable |
Applications | Aerospace, Industrial, Medical applications, Automotive applications, Household appliances, Electronic, Toys, Hardware tool. |
We can design a solution with you that will meet all your needs Just contact us.
We will enter your parameters into our official Spring Manufacturer's Institute spring design program and then send you a print out for your approval.
Tension spring can available in many fields,Auto ,industry,etc.
1. Material: carbon steel; spring steel; alloy steel; stainless steel.
2. Wire Dia.: 0.01mm-10mm
3. ISO9001 certificate
4. We can do OEM
5. Surface treatment : Zinc, Nickel, Silver, Golden, Tin, Powder, Coating.
6. Applications: Automotive, medical device, electronics, toy ,etc.
