Heavy-duty industrial door torsion springs manufactured from high-strength spring steel, with wire sizes from 0.273 to 0.625 inch, inside diameters from 2 5/8 to 6 inches, and lengths up to 144 inches. Available in left- and right-hand wind, with an 18,000+ cycle design, e-coated finish, and wooden-crate packing.
Manufactured in Vietnam from high-strength spring steel for commercial and industrial overhead door systems.
• Wire sizes: 0.273-0.625 in
• Inside diameters: 2 5/8-6 in
• Lengths: up to 144 in
• Winding direction: left-hand or right-hand
• Material: high-strength spring steel
• Design life: 18,000+ cycles
• Finish: black e-coating
• Standard packing: wooden crate
Production follows approved dimensions, torque requirements and drawings. Contact Sunny at sunny@vts-spring.com or +86 186 0226 1013.
Specifications to Confirm
Wire diameter: 0.273 to 0.625 in
Inside diameter: 2 5/8 to 6 in
Maximum documented length: up to 144 in
Winding direction: left-hand or right-hand
Material: high-strength spring steel
Surface treatment: electrophoretic coating
Torque and end-component requirements: confirm before production
Packing: wooden crates

Our years of experience can assist in addressing a variety of spring issues.
Let’s Discuss Your Custom Spring Needs
Let’s Discuss Your Custom Spring Needs
Contact person:Sunny
Email: sunny@vts-spring.com
WhatsApp: 84979731403
Address: No. 1688, Doi 16 Street, Thanh Phuoc Industrial Cluster, Cay Cham Quarter, Tan Khanh Ward, Ho Chi Minh City, Vietnam