Custom Stainless Steel Constant Force Springs for Cables | OEM Manufacturer
Stainless Steel Constant Force Springs for Cables

Constant force springsprovide consistent tension and smooth retraction by generating a steady uncoiling force after being wound. This unique characteristic makes them widely used in applications such as cable retractors, counterbalance systems, and tensioning mechanisms. Since 2016, SEME Hardware has specialized in the production of constant force springs, offering comprehensive services including design, manufacturing, mounting, and assembly to support your project from concept to delivery.
Customize Your Constant Force Springs with SEME's Personalized Service
At SEME hardware, we specialize in manufacturing a wide range of constant force springsto meet your versatile needs. Our springs are available in various thicknesses, ranging from 0.06mm to 0.6mm, and widths from 2mm to 55mm. We offer stainless steel and carbon steel materials to suit different requirements.
SEME hardware offers special processes for constant force springs to meet your higher force requirements.
Our capabilities include multi-layer laminated springs and multiple-load assembly. These techniques enable us to create custom solutions to meet your stronger tension requirements.

How Do We Assure The Quality of The Constant Force Springs?
At SEME hardware, quality is embedded in every step of producing your constant force springs.


Our integrated process includes:
· Material Certification & Inspection
· Prototyping & R&D Support
· In-Process & Final Quality Controls
Each spring undergoes stringent testing to meet your specifications before shipment.
Ready to be your partner in quality. Let's discuss your project.
FAQ – Stainless Steel Constant Force Springs for Cables
1. What applications are these springs suitable for?
Our stainless steel constant force springs for cables are ideal for lifting, balancing, and retracting systems, widely used in industrial automation, medical equipment, adjustable displays, retractable covers, and cable-driven mechanisms.
2. Can you customize force, stroke, and cable length?
Yes. We offer full customization, including output force, stroke length, cable length, cable diameter, drum size, and mounting method, based on your drawings or application requirements.
3. What stainless steel materials do you use?
We mainly use SS301 and SS304 stainless steel, offering excellent fatigue resistance and corrosion resistance, suitable for long-term and high-cycle applications.
4. What is the typical service life?
Our constant force springs are designed for durability, with a typical service life of 10,000–50,000+ cycles, depending on load and operating conditions.
5. Do you provide samples and OEM support?
Yes. We support prototype samples, small trial orders, and full OEM/ODM services, helping you verify preproduction sample of performance before mass production.
Request a Free Quote Today
Ready to upgrade your constant force springs?
Contact Dongguan Seme Precision Hardware Co., Ltd. today to discuss your custom spring project. Our engineering team is ready to provide a free consultation and competitive quote.
📧 Email: [email protected]
🌐 Website: https://www.semehardware.com
📞 Phone: +0086 186 6511 1545


