Hershey Manufacturers Black Metal Carbon Steel Stainless Steel Spring Spiral Coil Small Extension Tension Spring
Product Name | Customized High Quality Outdoor Extension Spring For Gymnastic Trampoline | Wire Diamter0. | 0.08mm-10mm |
Material | Stainless Steel | Surface Treatment | Natural color |
Certificate | ISO9001:2008.SGS, ROHS | Usuage | others |
Rust Proof | yes | Salt Spray Test | 48hours |
Pacakaging | poly bag inside,carton box outside | Delivery Time | 25-30days |
Product description
Extension Springs
Extension springs absorb and store energy as well as create a resistance to a pulling force. Extension Springs are attached at
both ends to other components. When these components move apart, the extension spring will pull components together again.
Step One
Material & Suface Treatment
Choose material:
Carbon Steel
Alloy Steel
Non-ferrous Alloy Steel
Stainless Steel
Surface treatment:
Nickel
Galvanization
Painting
Zinc Coating
Flange
Step two
Confirm Wire Diameter
We can produce all kinds sizes of wire Diameter. Available Wire Diameter :
0.08mm-10.0mm
Step three
Comfirm length
Step four
Comfirm Outside Diameter
Step five
Comfirm Max Extended Length
Step six
Comfirm Loop Length
Step seven
Comfirm Loop Opening
Step eight
Load Referance
What is the surface treatment of our springs
Nickel plating,zinc plating, or power coating (anti rust)
What is the Applications of our springs?
Electronics, electrical appliances, toys, locks, stationery, baby carriage, bicycle, gifts, crafts, kitchen appliances, cameras, printers, office equipment, precision equipment and various vehicles

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Shipping :
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
4. Delivery Time: 3-5 days for samples; 5-25 days for batch goods.
Trade Terms:
1. Payment: T/T, L/C, Western Union, MoneyGram,PayPal,Etc.
2. MOQ: more than 1pc
3. Warranty : according to the certain product
4. Package Informations: poly bag, box, carton.
Why choose us?
- Philips, Apple and Hitachi source from us
- More than 80 sets of advanced spring machines and testing equipments.
- Big production capacity, fast delivery
- Strict QC checking before delivery
- OEM/ODM services available, help you on designing
- 7*24 hours online service/after service
- Prompt quotation for your inquiry.
- More than 22 years experience in spring industry
- Professional spring manufacturer offers competitive price