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| Application | Brakes & clutches |
| Materials | IS 4454 PART 1 Grade2, Grade3, IS4454 PART4, Grade1, Grade2 (SS 302,SS 304) |
| Sizes | Wire Diameter: 0.20mm - 8.60mm Outer Diameter: 3.00 mm - 150 mm Free length: As per Requirement |
| End Configuration | German Hook, English Hook, Extended Hook |
| Surface Finish | Oiling, Plating, ED Coating. |
Tension Spring Manufacturer in Chennai
Extension springs built with the kind of precision that demanding industrial work actually requires.
Introduction
At Accurate Springs, we build tension springs that perform consistently every time, across every application. Also called extension springs, they absorb and store energy when stretched, then return to their original shape once the force is released. That controlled resistance is exactly what makes them critical wherever precision genuinely matters.
With over four decades in manufacturing, we’ve earned our place as one of the most trusted Tension Spring Manufacturers in Chennai. That reputation wasn’t built overnight; it came from truly understanding engineering demands and never stopping our drive to improve.
As established Tension Springs Suppliers, we treat quality as a foundation, not a formality. Every spring leaves our facility backed by IATF 16949 standards, modern production systems, and real attention to detail built for accuracy, durability, and a long, dependable service life across any application it’s designed for.
Applications
In industries where force tolerance leaves no room for error, our tension springs are built to deliver consistently.
1. Automotive Applications
We supply tension springs for key automotive systems, including:
- Brake assemblies
- Clutch mechanisms
- Door systems and seating components
2.Industrial Machinery
- Conveyor systems
- Mechanical linkages
- Assembly line machinery
3.General Engineering Applications
- Electrical and electronic equipment
- Agricultural machinery
- Consumer appliances
Technical & Design Specifications
Material Grades
- IS 4454 Grades: Built for high-stress applications that demand strong fatigue resistance.
- Stainless Steel (SS 302, SS 304): The right pick for environments dealing with moisture, chemicals or corrosion.
Dimensions & Sizes
- Wire Diameter: Available across multiple ranges from light-duty to heavy-duty applications
- Outer Diameter (OD): Sized to fit your specific assembly constraints without compromise
- Free Length: The total length of the spring in its unloaded state, hooks included
Surface Treatment
- Oiling : Basic but effective rust protection during storage and handling.
- Plating : Stronger corrosion resistance that genuinely extends product life.
- ED Coating : Uniform, thorough protection built for harsh operating environments.
Manufacturing Process & Quality Assurance
At Accurate Springs, every tension spring is built the same careful way precision first, every single time. Every spring we manufacture moves through a process built around care and consistency CNC coiling for reliable shaping, heat treatment to add strength and release internal stress, hook forming designed around your actual application, and surface finishing chosen for the conditions your spring will genuinely face.
Being trusted tension spring suppliers means quality is never an afterthought for us. We inspect dimensions with precision tools, test load-deflection behavior for accurate performance, and push springs through fatigue cycles to ensure real durability.
Only when every specification is confidently met does a spring earn its way out of our facility.
Why Choose Accurate’s Tension Springs
- We hold tight tolerances because your application deserves consistency. When standard designs don’t fit, we build around your exact requirements with a flexible hook.
- With over 40 years of hands-on experience, trust isn’t something we ask for, it’s something we’ve earned as reliable tension spring manufacturers.
Certifications
- IATF 16949 Certification for automotive quality management.
- In-house testing facilities for hands on performance validation.
- Continuous process monitoring with a genuine focus on improvement.
FAQ (Frequently Asked Questions)
We work across a wide range of wire diameters depending on what your application actually needs. Our team will help you find the right fit.
We offer machine hooks, crossover hooks, and custom-designed ends. The right choice really comes down to your load direction and how the spring needs to connect within your assembly.
Absolutely. We offer SS 302 and SS 304 options for applications where corrosion resistance isn't just a preference, it's a genuine requirement.
We offer oiling, plating, and ED coating each matched to your environmental exposure and performance requirements.
Yes, custom manufacturing is central to what we do as experienced Tension Springs Suppliers.
Lead time varies with design complexity and order size but efficient production and on-time delivery are things we take seriously.

