Bosswinn Factory Custom Carbon Steel Heavy Duty Coil Pull Bistable Tension Spring

• Function: Phonation, Drive, Restoration, Measurement
• Material: Steel
• Usage: Industrial, Auto, Motorcycle, Home Appliance
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: tension spring
• Load Type: Extension
• Production Process: Cold Roll
• Shape: Conical
• Transport Package: Carton
• Specification: 100 x110x120
• Trademark: Bosswinn
• Origin: China
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 0.020kg

Product Description

Product Description

 

• both ends of the Spring Wire have   side hooks


• This kind of Springs absorb and store energy


• The Extension Spring resistant  pulling force


• Initial tension manipulation   achieves individual requirements


• Wound to oppose the extension


• The  free length of 50 mm with a maximum extended length of 142.2 mm

Detailed Photos

Product Parameters

Product Description

 

raw materials we    process on	stainless steel,Music wire  Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc.
material diameter or thickness	0.1~8mm
workcraft or process	CNC processing, mannual work
surface treatment	painting, electroplating, polishing , blacken etc
Applications	Industrial facilities.automobiles,  Motorcycles, electronics, Sports facilities, telecommunications products etc
Quality Certification	ISO9001-2000,ISO14000
Payment term	T/T,L/C
Packing	plastic bags,and then cartons ,  wooden or plastic
Shipment	By sea  from Ningbo or shanghai, by air from Shanghai or Hangzhou

 

Our testing faciltis.
We strictly control our springs quality . We do not only promise in oral, let the facilities speack

Packaging & Shipping

 

The applications of the tension springs

 

Extension springs are in our daily life everywhere, small electronics, house appliances, from being in our cars  , to the farm machinery that produces our food. 

1. Tampolines. The trampoline has hundreds of hook end extension springs forming the trampoline base to the metal frame. 

 

2. Vehicles , vehicles use heavy duty extension springs because of the amount of power and strength they require to pull. 

3. Small electronics, like toys.

Extension springs make the electronics to function as  designed.

4. House appliances , like washing machines

Springs are likewise used in washing machines to suspend the drum in position. 

5. Furnitures, doors, windows etc

 extension springs to help the house doors or furnitures close back over once they have been opened. 

7. Exercising facilities

The most common exercise equipment that use extension springs like  the Chest Expander, and other strenght training facilik

Compression springs are undoubtedly  used in  our everyday lives,   everyday products, machines, etc.

FAQ

1.Is Bosswinn a  manufacturer ?

A: We are a manufacturer, the business owner has 2 factories producing springs, machining part, stamping parts

2. When is the delivery time?

A: 10 and 15 days , one month in the peak seasons


3. What is the MOQ?

For the initial order , any quantity ok. For the mass production order, 10000 pcs better.

4. What's your payment method?

 : T/T, L/C, Western Unions,  

e. How can we confirm the samples?

Free samples are offered,