Product Details

Product Description

Spring steel double torsion spring

Spring steel double torsion springs are coil springs designed to apply or resist a twisting (torsional) force around a center point. They are widely used in all kinds of places, such as mechanical equipment, electronic equipment, communications equipment, hardware, lighting, building Bridges, furniture decoration and other related industries.

Our products are strictly manufactured acc to international standard. Material and dimensions test reports can be provided for every shippment. The third party certifaction is also OK acc to your reuqirements.

More springs

We can provide all kinds of other springs, such as compression springs, tension springs, disc springs, torsion springs, wire forms, clock springs, constant force springs, die springs, motor springs, wave springs, medical springs, spring rings, leaf springs, etc. Follows are some details for our springs.

Friendly tips

In order to get the quotation quickly and impovide the work efficiency both of us, please provide the followings dimensions before inquiring.

For Compression Springs

Helical compression springs are our most common spring type. They have a wide range of applications and can be found in almost all mechanical products, for example as important components in door locks, in compressors, in valves, in electric switches and more.

The needed dimensions.

1. wire dia
2. outside dia
3. free length
4. active coil
5. direction of turning
6. material
7. surface treatment(zinc plated, black coated, Dacromet)
8. end requirements
9. spring force

For Torsion Springs

Torsion springs can either have a left-hand or right-hand helix. They are made to give a force and torque when one leg is turned relative the other.
Our torsion springs are made in dimensions from 0.03- 26 millimeter and we select wire diameter, spring body diameter, length and pitch to suit your requirements.

The needed dimensions:

1. wire dia
2. outside dia
3. total length of the material
4. active coil
5. degree
6. material
7. surface treatment(zinc plated, black coated, Dacromet)
8. direction of turning
9. spring force

For Tension springs

Tension springs are designed to give a specific pull force when extended to a a specific length. Our tension springs have a material dimensional range from 0.03 - 26 millimeter.

The needed dimensions

1. wire dia
2. outside dia
3. total length
4. active coil
5. direction of turning
6. material
7. surface treatment(zinc plated, black coated, Dacromet)
8. Retractor form
9. spring force

Packages

Package 1-- small white cartons + bigger cartons
1. For sizes of small white cartons and bigger cartons, it can be made acc to customers' requirements. 10kgs, 15kgs, 20kgs, 30kgs are OK. (our normal package)
2. woven boxes or other package methods are also OK.

Package 2---------pallets with folio and marks
1.Pallet with folio package can provent the goods from being wet or lost.
2.Clear marks can make the customers well tell the goods

Shipping
1. Samples are usually sent by express or courier. We often send goods through TNT, DHL, Fedx, etc., so we can get the good freight cost for you.
2. Big goods are often sent by sea

Our Service

OUR ADVANTAGE

A. Competitive price
1.Small order can enjoy the price of big order.
2.Free sample +lower express freight cost.

B. High quality
1.Manufacturing acc to national or international standard.
2. Strict quality control.
3. The third party certification.

C. First class service
1.One stop sourcing
all standard fasteners you can find here, customized fasteners or OEM service are also OK, order tracking;
2. Professional service team;
3. More than 20 years experience.

D. Good guarantee (Less risk)
1. We are Alibaba trade assurance company. You can buy our products by Alibaba insurance order service, which is set up for customers' benefits. You never worry about the loss of money .
2. For small order, you can pay by Paypal.

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