Assume full obligation to meet all demands of our customers; accomplish ongoing advancements by promoting the advancement of our customers; become the final permanent cooperative partner of clientele and maximize the interests of shoppers for Torsion Coil Spring, Antenna Spring, Industrial Spring, We are now on the lookout ahead to even larger cooperation with abroad consumers dependant on mutual added benefits. When you are interested in almost any of our products, be sure to experience cost-free to make contact with us for more facts.
OEM High Quality Mountain Bike Shock Spring Factory - 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.


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

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:
Related Product Guide:
Sticking for the perception of Creating goods of high quality and making good friends with people today from all around the world, we constantly set the interest of shoppers to begin with for OEM High Quality Mountain Bike Shock Spring Factory - Double Hook Wire Coil extension Tension Springs – DVT Spring , The product will supply to all over the world, such as: Cologne, Hungary, Las Vegas, So that you can utilize the resource from the expanding info in international trade, we welcome shoppers from everywhere on-line and offline. In spite of the good quality solutions we offer, effective and satisfying consultation service is supplied by our specialist after-sale service team. Product lists and detailed parameters and any other info weil be sent to you timely for your inquiries. So please make contact with us by sending us emails or call us if you have any questions about our corporation. ou may also get our address info from our web page and come to our company to get a field survey of our merchandise. We are confident that we are going to share mutual achievement and create strong co-operation relations with our companions in this marketplace. We're searching forward for your inquiries.