KYA Round Zigzag Spring, also known as sinuous spring or sofa zigzag spring, is made from high carbon steel wire to provide durable elasticity, stable support, and comfortable seating performance for sofas, chairs, recliners, upholstered furniture, and automobile seats. The round zigzag profile is designed for furniture manufacturers that need resilient spring support for seat and back structures.
These round zigzag springs are available with wire diameters from 2.6mm to 4.3mm and can be customized in length, height, width, shape, coating, and spring type. KYA supplies round, flat, curve, functional double bend, super loop, and coil spring designs for different furniture frame structures and seating comfort requirements.
The following specifications help sofa manufacturers, chair factories, upholstery workshops, automotive seat suppliers, furniture component distributors, and hardware importers confirm spring material, wire diameter, height, width, type, and customization options before ordering.
| Product Name | Round Zigzag Spring |
| Product Type | Zigzag Spring / Sinuous Spring / Sofa Spring / Furniture Spring |
| Material | High Carbon Steel |
| Wire Diameter | 2.6mm-4.3mm |
| Height | 38mm-50mm for Round / Flat / Curve Springs, 43mm-51mm for Functional Springs, 70mm-76mm for Super Loop Springs |
| Width | 16mm-35mm for Round / Flat / Curve / Functional Springs, 30mm-50mm for Super Loop Springs |
| Length | Customizable according to client requirement |
| Spring Type | Round, Flat, Curve, Functional Double Bend, Super Loop, Coil |
| Surface Treatment | Transparent Anti-Rust Paint or Zinc Plating |
| Fatigue Test | Over 20,000 cycles without deformation |
| Main Applications | Sofa seats and backs, chair seats and backs, upholstered furniture, automobile car seats |
Round Zigzag Spring
Functional Spring
Flat Zigzag Spring
KYA supplies different zigzag spring types for furniture production. The following tables show common height, width, wire diameter, and length options. Custom dimensions can be produced according to buyer drawings, samples, or technical requirements.
| Height mm | Width mm | Wire Diameter mm | Length mm |
|---|---|---|---|
| 38-50 | 16-35 | 2.6-4.3 | Client requirement |
| Height mm | Width mm | Wire Diameter mm | Length mm |
|---|---|---|---|
| 43-51 | 16-35 | 2.6-4.3 | Client requirement |
| Height mm | Width mm | Wire Diameter mm | Length mm |
|---|---|---|---|
| 38-50 | 16-35 | 2.6-4.3 | Client requirement |
| Height mm | Width mm | Wire Diameter mm | Length mm |
|---|---|---|---|
| 38-50 | 16-35 | 2.6-4.3 | Client requirement |
| Height mm | Width mm | Wire Diameter mm | Length mm |
|---|---|---|---|
| 70-76 | 30-50 | 2.6-4.3 | Client requirement |
| High Carbon Steel Wire | Provides excellent elasticity, stable resilience, and durable support for sofa and chair seating systems. |
| Customizable Dimensions | Wire diameter, height, width, and length can be customized according to furniture frame structure and buyer requirements. |
| Multiple Spring Types | Available in round, flat, curve, functional double bend, super loop, and coil designs. |
| Anti-Rust Coating | Transparent anti-rust paint or zinc plating helps reduce rust risk and improve spring service life. |
| Fatigue-Tested Durability | Tested for over 20,000 cycles without deformation to support long-term seating comfort and spring stability. |
| Easy Furniture Installation | Designed for efficient installation in sofa, chair, and upholstered furniture production lines. |
Round zigzag springs are widely used in upholstered furniture and automotive seating where elastic support, seating comfort, and component durability are required. They are suitable for sofa manufacturers, chair factories, recliner producers, upholstery suppliers, furniture repair companies, and automotive seat manufacturers.
| Sofa Seats | Used as elastic support springs for sofa seats to improve comfort, resilience, and load-bearing performance. |
| Sofa Backs | Suitable for sofa backrest structures that require flexible and stable support. |
| Chair Seats and Backs | Used in chair seats and backs to provide comfort, elasticity, and support for upholstered chairs. |
| Recliners and Lounge Furniture | Suitable for recliners, lounge chairs, and soft seating products that require durable spring support. |
| Automobile Car Seats | Can be used in automobile seating systems where stable elastic support and component durability are required. |
When selecting round zigzag springs, buyers should confirm wire diameter, spring height, spring width, spring length, spring type, coating, seat frame structure, required elasticity, load-bearing requirement, and installation method. Different sofa and chair models may require different spring tension, shape, and dimensions.
For furniture factories, consistent spring quality is important for seating comfort and production efficiency. Custom round zigzag springs can be supplied according to drawings, samples, or technical requirements.
KYA Fasteners supplies round zigzag springs, flat zigzag springs, curve zigzag springs, functional sofa springs, super loop springs, sofa clips, hog rings, staples, brad nails, coil nails, and furniture fastening solutions for global B2B customers. For sofa manufacturers, chair factories, upholstery suppliers, automotive seat producers, furniture hardware wholesalers, and importers, KYA can support spring selection, custom size matching, surface treatment options, bulk quotation, and export supply.
Contact KYA Fasteners to request Round Zigzag Spring specifications, samples, quotation, custom dimensions, coating options, and shipping support.
Round zigzag springs are used in sofas, chairs, recliners, upholstered furniture, and automobile seats to provide durable elasticity, seating support, and comfort.
They are made from high carbon steel wire, which provides strong elasticity, resilience, and long-term support for furniture seating systems.
Yes. Wire diameter, spring length, height, width, shape, type, and surface treatment can be customized according to buyer drawings, samples, or production requirements.
Available wire diameters range from 2.6mm to 4.3mm, with customization available for specific furniture structures.
Available types include round, flat, curve, functional double bend, super loop, and coil zigzag springs.
Yes. Transparent anti-rust paint or zinc plating can be applied to help reduce rust risk and improve service life.
They can be used for indoor furniture and selected limited outdoor exposure when suitable anti-rust coating is applied. For harsh outdoor or high-humidity conditions, buyers should confirm coating requirements before ordering.
The springs are fatigue-tested for over 20,000 cycles without deformation, supporting long-term seating comfort and stable performance.
Yes. KYA can supply round zigzag springs for sofa manufacturers, chair factories, upholstery suppliers, automotive seat producers, furniture hardware wholesalers, and importers.
Yes. Buyers can contact KYA Fasteners to request samples, specifications, custom dimensions, surface treatment options, quotation, and shipping information before placing a bulk order.
