China ODM Custom Bicycle Shock Absober Spiral Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring Manufacturer and Exporter | DVT

ODM Custom Bicycle Shock Absober Spiral Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring

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ODM Custom Bicycle Shock Absober Spiral Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring Detail:

Basic Information

Mechanical extension springs are designed specifically for a height and weight of a product. The initial tension is the force that holds the coil together and must be exceeded to get the extension spring working. Although the standard initial tension is appropriate for most extension spring needs, initial tension can be customized for specific situations.

Extension springs are commonly used in automotive mechanisms, garage doors, trampolines, washing machines, tools, toys, and equipment in a wide array of industries. Extension spring ends are designed to meet specific application needs. Configurations include hooks, threaded inserts, extended twist loops, crossover center loops, expanded eyes, reduced eyes, rectangular ends and teardrop-shaped ends. Another extension spring configuration features a drawbar spring. In this design, the load at the ends of long, steel loops that pass through the spring center and compress the spring upon loading.

1Double Hook Wire Coil extension Tension Springs
Double-Hook-Wire-Coil-extension-Tension-Springs2

Extension Spring Parameters

  • Outer diameter- of the spring
  • Wire diameter – of the wire used to create the spring
  • Overall length – of the spring in the unloaded position
  • Rate – amount of weight required to deflect the spring one inch
  • Load -amount of weight the spring can carry when deflected to a given height

Extension spring parameters

Specifications

Item

Double Hook Wire Coil extension Tension Springs

 Material

SS302(AISI302)/ SS304(AISI304)/ SS316(AISI316)/SS301(AISI301)
SS631/65Mn(AISI1066)/60Si2Mn(HD2600)/55CrSiA(HD1550)/
Music wire/C17200/C64200, Etc

Wire diameter

0.1~20 mm

I.D

>=0.1 mm

O.D

>=0.5 mm

Free length

>=0.5 mm

Total Coils

>=3

Active coils

>=1

End hooks

U shape, round shape etc.

 Finish

Zinc plating, Nickel plating, Anodic oxidation,Black oxided,Electrophoresis
Power coating, Gold plating, Silver plating, Tin plating, Paint,Chorme, Phosphate
Dacromet,Oil coating, Copper plating, Sand blasting, Passivation, Polishing,Etc

Sample

3-7 work days

Delivery

7-15days

Appliction

Auto,Micro,Hardware,Furniture,Bicycle,Industrial,ect.

Size

Customized

Warranty period

Three years

Payment Terms

T/T,D/A,D/P,L/C,MoneyGram,Paypal payments.

Package

1.PE bag inside, carton outside/Pallet.
2.Other packages: Wooden box, individual packaging, tray packaging,tape & reel packaging etc.
3.Per our customer’s need.

Product detail pictures:

ODM Custom Bicycle Shock Absober Spiral  Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures

ODM Custom Bicycle Shock Absober Spiral  Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures

ODM Custom Bicycle Shock Absober Spiral  Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures


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Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for ODM Custom Bicycle Shock Absober Spiral Spring Companies - Double Hook Wire Coil extension Tension Springs – DVT Spring , The product will supply to all over the world, such as: Korea, Japan, Gambia, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.
  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Nina from USA - 2017.06.25 12:48
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Elsa from Swansea - 2017.04.18 16:45
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