high precision extension spring
1.High precision tension spring
2.We can do OEM,ISO9001
3.We produce by professional equipment
4,Design by customer's drawing
Extension spring
Industry's 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. |