Our Advantages For You
- Professional Processing Of Customized Springs
- Main Products: Compression Spring | Tension Spring | Torsion Spring | Tower Spring | Flat Spring | Battery Spring | Auto Parts Spring | Special-Shaped Spring And Other Springs
🛋️ Professional Sofa Repair: Designed specifically for repairings sagging sofas and car seats
⚙️ High Carbon Steel Material: 82# spring steel (tensile strength ≥1800MPa)
🛡️ Double Rust Prevention: Electrophoretic primer + epoxy coating, increasing corrosion resistance by 5 times
📏 Full Size Coverage: 15.7-34.4 inches (399-874mm), 25 lengths available
Detailed Specifications
▸ Material Standard: 82# high carbon spring steel
Wire Diameter: 4.0mm (±0.05mm)
▸ Surface Treatment:
Electrophoretic primer (15-20μm thickness)
Epoxy resin topcoat (scratch-resistant)
Salt spray test: >500 hours
Product Features
✅ Ultra-high elasticity: Compression rebound rate ≥95%
✅ Fatigue resistance: ≥100,000 compression cycle tests
✅ Precise matching: 25 lengths covering 99% of sofa models
✅ Easy installation: Pre-bent hook design at both ends
Choose Other Fastening Materials Here:
1.4x11x98mm Long Hook
Has a Back Bend Design at Both Ends
Carbon steel spring
after stereotyped heat treatment, has good elasticity and toughness
Couch Spring Repair Kit
Includes 1 no sag couch springs, 2 upholstery spring clips, 6 screws.
Fix Sagging Cushions
Our couch spring replacement kit includes all the parts you need to reupholster a new chair, sofa or fix that sagging couch support.
Size Options Include
3", 4", 5", 6", 7", 8", 9", 10"9
Gauge Spring Traditional Upholstery Springs for Sofas, Chairs Etc, Suitable for Every Seat and Firmness
Material options: 304 stainless steel
Applicable shears: Silkworm-style thick branch shears/conventional pruning shears
Installation method: snap-on quick change
Corrosion resistance: IP54 (splashproof)
Application scenarios:
Fruit tree pruning/hedge maintenance/garden tool repair
Spring Washers
Spring Washer （Disc Spring）
This flat washers has heavy load, short stroke, and require small space, which is often used in combination of mechanical and electronic components
Easy to repair and replace, high economic security, suitable for precision heavy machinery, this flat washers set has many different size to meet with your demand.
This style of disc spring has a larger deformation energy per unit volume than other types of springs and good buffer shock absorption capacity.
Made of high quality stainless steel, resistant, with variable stiffness characteristics, this disc spring is great for for electrical connections for home, automotive, and shop use.
Brand Information Is Provided in the Spirit of the Spare Parts Business in Accordance with Article 23 of the Trademark Act. the Manufacturer of This Item Has Not yet Been Identified.
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On Dec 18, 2025 at 15:01:59 PST, seller added the following information: