KYA Flat Zigzag Spring for Sofa, also called sinuous spring or sofa zigzag spring, is made from high carbon steel wire to provide stable elasticity, seating support, and long-term comfort for sofas, chairs, recliners, upholstered furniture, and automobile seats. The flat zigzag design helps furniture manufacturers create durable seat and back support systems with consistent resilience.
These furniture springs are available in flat, curve, round, functional double bend, and super loop designs. Wire diameter, height, width, length, coating, and spring type can be customized according to sofa frame structure, chair design, seating comfort requirements, and production needs.
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 | Flat Zigzag Spring for Sofa |
| Product Type | Zigzag Spring / Sinuous Spring / Sofa Spring / Furniture Spring |
| Material | High Carbon Steel |
| Wire Diameter | 2.6mm-4.3mm |
| Height | 43mm-51mm for Functional Springs, 38mm-50mm for Flat / Curve / Round Springs, 70mm-76mm for Super Loop Springs |
| Width | 16mm-35mm for Flat / Curve / Round / Functional Springs, 30mm-50mm for Super Loop Springs |
| Length | Customizable according to client requirement |
| Spring Type | Flat, Curve, Round, Functional Double Bend, Super Loop |
| 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 |
Functional Spring
Flat Zigzag Spring
Curve Zigzag Spring
| High Carbon Steel Wire | Provides stable elasticity, durable support, and reliable resilience for sofa and chair seating systems. |
| Customizable Size | Wire diameter, height, width, and length can be customized according to furniture frame and seating design. |
| Multiple Spring Types | Available in flat, curve, round, functional double bend, and super loop designs for different furniture structures. |
| Anti-Rust Coating | Transparent paint or zinc plating helps reduce rust risk and improve service life in furniture production. |
| Fatigue-Tested Durability | Tested for over 20,000 cycles without deformation to support long-term seating comfort and spring stability. |
| Easy Installation | Designed for furniture frame installation and efficient production in sofa and chair manufacturing lines. |
Flat zigzag springs are widely used in upholstered furniture and automotive seating where flexible support, stable elasticity, and seating comfort 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 seat support springs to improve sofa comfort, resilience, and load-bearing performance. |
| Sofa Backs | Suitable for sofa backrest structures requiring flexible and stable back 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 requiring durable spring support. |
| Automobile Car Seats | Can be used in automobile seating systems where stable elastic support and component durability are required. |
Flat zigzag springs are used in sofa and chair seat structures where stable surface support and consistent elasticity are required.
Curve zigzag springs are suitable for furniture designs that need curved support, improved comfort, or specific seat frame geometry.
Round zigzag springs can be selected for furniture structures requiring a different spring profile or installation arrangement.
Functional double bend springs provide specialized support for sofa, chair, and furniture structures with specific comfort or frame requirements.
Super loop springs are used where higher loop height, special elasticity, or stronger seat support is required.
When selecting flat zigzag springs, buyers should confirm wire diameter, spring height, spring width, spring length, spring type, coating, frame structure, seat depth, required elasticity, load-bearing requirement, and installation method. Different sofa and chair models may require different spring tension and dimensions.
For furniture factories, consistent spring quality is important for stable seating comfort and production efficiency. Custom zigzag springs can be supplied according to drawings, samples, or technical requirements.
KYA Fasteners supplies 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 Flat Zigzag Spring for Sofa specifications, samples, quotation, custom dimensions, coating options, and shipping support.
Flat 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 flat, curve, round, functional double bend, and super loop 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 flat 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.
