Custom Spring Steel Helical Double Hook Extension Springs

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Product Overview


Product Description

Tension/Extension Spring
Describe:Extension springs supply a force by extending or pulling on them. Typically they are cylindrical helical springs made out round wire and have either machine loops or cross center loops. However they can be made conical, oval, barrel or virtually any other shape. The ends can be plane, extended, square or anything else you can imagine.

Custom Spring Steel Helical Double Hook Extension Springs

Stainless Steel (SUS304,301.316 ect)
Paino/Music Wire
Carbon Steel or as required

Zinc ,Nickel ,copper ,black and so on
In different tempurture

All kinds of cars ,machinery, home appliance, electronic products, computers, power switches, sport equipment and more
Wire dia Range

Product Details

Company profile

Dongguan Hezhi Hardware Co., Ltd. is located in Dongkeng Town, Dongguan City, Guangdong Province, China. It is a hardware factory specializing in R&D design, manufacture and sales of precision components. The company introduces advanced equipment and production technology from Taiwan and abroad, adopts CNC high-precision computer machine, compression spring machine and other mechanical equipment, and employs senior engineers with more than ten years of work experience to debug mechanical equipment and customize production.
With the business philosophy of honesty, pragmatism and excellence, Hezhi Company is dedicated to serving customers at home and abroad. We hope that the products of Hezhi will help your business to be more brilliant, let us build a bright future in the high-tech era!

The testimony is pragmatic and the attitude of the people. Quality service is the pursuit of the people!

HeZhi in Vietnam

Our Service

Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
After-Sales Service
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.



1. What is a tension spring?
Tension springs are wound helical coils that are wrapped tightly together to create tension. Also called extension springs,
tension springs provide extended force when the spring is pulled apart from its original length.

2. What is the difference between a compression spring and a tension spring?
Although a tension and compression spring are both helical coiled springs, the difference in their functionality and purpose can be significant. In essence, tension springs are designed to bring components together, whilst compression springs are made to keep components apart.

3. What are the 3 types of springs?
Again, there are three classes of springs: linear (or constant rate) springs, variable rate springs, and constant force springs.

4. Do springs have tension?
The spring is designed to operate with a tension load, so the spring stretches as the load is applied to it. Compression spring. Designed to operate with a compression load, so the spring gets shorter as the load is applied to it. Torsion spring.

5. What are the 4 types of springs?
Different types of springs: compression, extension, torsion, & constant force springs.

6. What material is a tension spring?
Even though tension springs differ from compression springs, they are usually made from similar materials including copper, titanium and steel. Steel is the most durable of these, and there are different types of steel used, such as; stainless, cold rolled and alloy steel.

7. How do torsion springs work?
A torsion spring is a spring that works by twisting its end along its axis; that is, a flexible elastic object that stores
mechanical energy when it is twisted. When it is twisted, it exerts a torque in the opposite direction, proportional to the amount (angle) it is twisted.

8. What were the 5 main types of springs?
Different Types of Springs and Their Applications
* Compression Springs. Compression springs are open-coil helical springs with a constant coiled diameter and variable shape that
resists axial compression. ...
* Extension Springs. ...
* Torsion Springs. ...
* Spiral Springs.

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