Hook Expansion Spring Tension Galvanized Extension Springs Wire Dia 0.7-0.9mm

 Features: 
● 【High Quality Material】 Made of highly elastic and fatigue-resistant spring steel material. It is wear-resistant, heat-resistant, anti-rust, anti-resistant, no deformation, and more durable for long-term use.
● 【Principle】 The spring can produce greater elastic deformation when loaded, converting mechanical work or kinetic energy into elastic potential energy. Tension spring is a spiral spring that bears axial tension.
● 【Dual Hooks】 The loops at both ends of the tension spring can be fixed to other components, and have a reverse effect when being stretched to form a resilience, and the tension resistance is strong.
● 【Smooth Edge】 Our torsion springs have excellent workmanship, the surface is carefully treated and does not scratch, the inner spring is firm and not easy to break. The edge is smooth and won't hurt your hands.
● 【Wide Application】 The spring can be used in many occasions such as production assembly, experiment, research and development, maintenance and so on. It can be widely used in electronics, home appliances, furniture, machinery, etc.


 Specifications: 
● Material: Spring Steel
● Surface Treatment: Galvanized
● Standard: GB/T
● System of Measurement: Metric
● Wire Diameter: 0.7mm / 0.8mm / 0.9mm
● Outer Diameter: 5mm / 6mm / 7mm / 8mm / 9mm / 10mm
● Length: 20mm - 320mm


Package included:  according to your choice. Select your requirements from the drop down menu above
(In our store, you can find more items in a variety of sizes, shapes, colors, and materials. Please get in contact  if you have any special requirements so that we can tailor our services to meet them.)

● Hello Dear Customer: we have been engaged in online sales of hardware fasteners for more than 10 years, if you need a large number of or customized hardware products, please contact us, we can provide good prices and better service.
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● Good quality. Buy with confidence!
● If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.
● Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer.
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● For the functional products in our shop, we make sure that the functions are the same as the description.
● About the product colour:Because of the different light and environment when the product is photographed, In a few instances the colour of the product may have a little colour difference with the actual colour of the product, I hope you can understand.
 

On Jan 29, 2026 at 08:20:21 PST, seller added the following information:

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