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spring stainless steel extension springs on sale for ATM machine YUAN SINE SPRING

spring stainless steel extension springs on sale for ATM machine YUAN SINE SPRING

spring stainless steel extension springs on sale for ATM machine YUAN SINE SPRING

Stainless steel:
stainless steel
Mean coil diameter:
4.4 mm
Total number of coils(Nt):
Free length(F.L.):
90 mm
Free angle:
Surface treatment:
High-temperature heat treatment:
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Enterprise Strength
  • Excellent staff is the core part of a company. Nowadays, we have people staffed in several departments including design, R&D with excellent technicians and senior experts in the hardware industry, production, and after-sales department.
  • YUAN SINE SPRING wins consumers' favors and praises depending on quality excellence and professional after-sales services.
  • YUAN SINE SPRING is always customer-oriented and devoted to offering the best products and service for each customer in an efficient manner.
  • Since established, we have spent years of efforts in the development and production of the hardware. So far, we have mature craftsmanship and experienced workers to help us achieve a highly efficient and reliable business cycle
  • Our global manufacturing and sales network have spread to and other overseas countries. Inspired by the high marks by the customers, we are expected to expand our sales channels and provide more considerate service.
Application Scope
Multiple in function and wide in application, compress spring can be used in many industries and fields.YUAN SINE SPRING always pays attention to customers. According customers' actual needs, we could customize comprehensive and professional solutions for them.Our products are produced in accordance with . All materials used in the products are well selected and purchased from our reliable partners, which guarantees the competitive price and stable performance.
Company Advantages
1. For the fabrication of YUAN SINE SPRING long extension springs , our professionals make use of high-grade raw materials.
2. stainless steel extension springs is packed with features and offers great performance.  
3. This product is basically known with a wide range of applications.
4. The promising industry trend creates more development space for this product to apply.

Tension Springs

Tension spring is a helical spring subjected to axial tension. There are different kinds of hooks. English hook, German hook, long hook, semicircle hook, duck bead hook and so on.  The “hook” is used to guarantee the source of tension of stretching spring. The gap for the ring and the ring must be tight and exact. These points must be identified. It is used to control the movement of machine parts , store energy, measure the size of the force and so on. Some of tension spring are made for precondition for safety.  That’s what we value and strict on quality control.  We must give more consideration to service this.

Product Parameter

Communication industries(2-ways tension spring for router)

Stainless steelstainless steel
Wire diameter0.3 mm
Outside of diameter4.4 mm
Inside of diameter4.4 mm
Mean coil diameter4.4 mm
Active coil number55
Total number of coils(Nt)55
Free length(F.L.)25 mm
Free angleok
Working angelok
Right hand screwok
Closed and ground ok
Surface treatmentok
High-temperature heat treatmentok


Communication equipment industries

2-ways tension spring for communcation router

Company Features
1. YUAN SINE SPRING works on producing the most reliable stainless steel extension springs while achieving our value.
2. YUAN SINE SPRING ENTERPRISE CO., LTD has great advantages in talent and research.
3. YUAN SINE SPRING ENTERPRISE CO., LTD has always been focused on the professional production of extension springs uk. Please contact. By constant innovation, YUAN SINE SPRING ENTERPRISE CO., LTD aims to take the lead in the field of heavy duty extension springs . Please contact. With the excellent service, YUAN SINE SPRING is highly valued by customers at home and abroad. Please contact.
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