Description:
Tool Extension Spring* Wire dia. 0.08mm~5.0mm
* Material Steel
* MOQ 5, 000pcs
* Custom or stock
Spring Steel Electric Tool ExtensionSpring
Product Details | |
1. Material | SWC, SUS, Cu, Alloy |
2. Wire dia. | Ø0.08mm~Ø5.0mm |
3. Coils | 30 |
4. Surface finish | Bluing, Cleaning, Zinc-plated, Passivation, Electrophoresis |
5. Fatigue test | 5, 000,000 times |
6. Salt spray test | 200~1000H |
7. Certificates | ISO9001, SGS, RoHS |
8. Load of type | Extension |
9. Period validity | 1 year |
10. Pls offer your spec., we are able to make springs as your requirements | |
11. Discount offered in large order quantity | |
12. Best after-service | |
Extension springs are available in a variety of different forms which are commonly used of
many household products such as garage door assemblies, trampolines and white goods.
Donva is able to produce springs in a wide range of materials including
* High Carbon Steel(Music, 65Mn, 70A, 70B, 72A, 72B, 60Si2Mn etc.)
* Stainless Steel(304, 301, 316, 201, 200 etc.)
* Copper based Alloys(Phosphor Bronze, Copper, Beryllium Copper)
* Alloy-Steel(Constantan or others)
Donva Spring
* Top 10 Spring manufacturer in East China
* Cooperate with well-know auto companies
* import advanced equipment
* Stock or Custom
How to order
1.Pls send us your drawing with detailed specification or sample
2.We offer you our best price
3.After you /confirm/i the price,we start to prepare the sample(usually within one week)
4.After /confirm/iing the sample,you place an order
We import the most sophisticated spring computer machines and do 100% inspection for springs,
which ensure the quality stable and precise.
