Our constant torque springs are precision-engineered flat coil assemblies designed to deliver unwavering rotational force throughout their entire operating range. Unlike traditional torsion springs that increase resistance with deflection, our springs maintain a nearly identical torque output, ensuring smooth and predictable mechanical performance. Manufactured from prestressed, high-performance stainless steel, these springs provide a long service life for high-turn applications.
Available in Type A and Type B configurations, these springs can be assembled in single or multiple motor sets to generate significant retractable force in a compact package. Each unit is finished with advanced industrial-grade coatings for superior corrosion resistance and a professional aesthetic. By combining advanced engineering with competitive, market-leading pricing, we provide a cost-effective, high-efficiency solution for manufacturers requiring these springs.
The primary advantage of the Constant Torque Spring is its ability to provide stable torque across a high number of operational turns. This makes them indispensable for mechanisms where a steady return force is required, regardless of how far the spring is extended or rotated.
Primary Industrial & Consumer Applications:
● Automotive & Transport: Critical for seat recliner mechanisms, cable retractors, and rotational control systems in commercial vehicles.
● Window & Interior Design: The gold standard for cordless window blinds, shades, and decorative drapery systems.
● Precision Tools & Instruments: Essential for high-accuracy tape measures, self-returning valve systems, and mechanical timing devices.
● Medical & Healthcare: Reliable torque delivery for medical device mechanisms and diagnostic equipment.
● Industrial Automation: Used in door closing mechanisms, mechanical locks, and automated retrieving applications.
● Consumer Products: High-durability power for toys, retractable cords, and gym equipment.
By utilizing a natural decoupling design in multiple spring configurations, these springs eliminate torque loss and ensure impeccable performance in both personal and commercial-grade machinery.
As a premier Manufacturer, Exporter, and Supplier, we dominate the Indian domestic market by bridging the gap between technical expertise and scalable supply. We offer a transparent procurement process tailored for manufacturers, service providers, and traders seeking reliability and value.
● Engineering Evaluation: We offer a flexible sample policy, providing technical samples for assessment before full-scale procurement to ensure the torque capacity matches your specific outlay.
● Professional Packaging: To preserve the integrity of the prestressed material and polished finish, every spring is prepared in industrial-standard packaging.
● Scalable Support: We provide clear, competitive quotations for bulk orders, ensuring that your production lines are supported by field-tested components and a trustworthy service network.




Minimum Order Quantity : 100 Pieces
Load Type : Other, Constant Force
Style : Other, Coiled
Fatigue Test : Passed 100,000 cycles
Surface Finish : Polished
Wire Diameter : 0.20 mm
Minimum Order Quantity : 100 Pieces
Load Type : Compression
Style : Other, Round Coil Compression
Fatigue Test : Passed 100,000 Cycles
Surface Finish : Zinc Plated
Wire Diameter : 1.2 mm
Minimum Order Quantity : 100 Pieces
Load Type : Other, Constant Load
Style : Other, Constant Force Spring
Fatigue Test : Up to 25,000 cycles
Surface Finish : Electrogalvanized
Wire Diameter : 0.2 mm
Minimum Order Quantity : 100 Pieces
Load Type : Other, Constant Load
Style : Other, Constant Force
Fatigue Test : 50000 cycles minimum
Surface Finish : Zinc Plated
Wire Diameter : 0.4 mm