| Supply Ability | 1000000 |
| Delivery Time | 5-20days |
| Packaging Details | PVC bag, wooden case,carton |
| Shape Type | C-Clip, Custom Sizes & Shapes |
| Inductance | custom |
| Production Capacity | 10000pieces/Year |
| Hook Direction | Same Direction / Opposite Direction |
| Lead Time | 15–25 days |
| Customization | Yes / OEM & ODM |
| Heat Treatment | Optional (Quenching / Tempering) |
| Inspection Machine | Projector |
| Hook Type | Standard Hook, Extended Hook, Custom |
| Shipping Terms | By sea/air/train |
| Thickness | 0.5mm |
| Type Of Die | progressive die |
| Forming Method | CNC Wire Forming, Precision Wire Bending |
| Material Grade | 65Mn, SK5, SUS301, SUS304 (Optional) |
| Production Type | CNC forming / Automatic coiling |
| Brand Name | METS |
| Place of Origin | XIAMEN.CHINA |
View Detail Information
Explore similar products
Heavy Duty Compression Spring | 0.2-20mm Steel for Machinery
Zinc-Plated Double Extension Spring | Balanced Tension for Gym
Precision Spiral Torsion Spring | High Fatigue Life OEM Factory
Mini Stainless Steel Tension Spring | 30mm Durable High Elasticity
Product Specification
| Supply Ability | 1000000 | Delivery Time | 5-20days |
| Packaging Details | PVC bag, wooden case,carton | Shape Type | C-Clip, Custom Sizes & Shapes |
| Inductance | custom | Production Capacity | 10000pieces/Year |
| Hook Direction | Same Direction / Opposite Direction | Lead Time | 15–25 days |
| Customization | Yes / OEM & ODM | Heat Treatment | Optional (Quenching / Tempering) |
| Inspection Machine | Projector | Hook Type | Standard Hook, Extended Hook, Custom |
| Shipping Terms | By sea/air/train | Thickness | 0.5mm |
| Type Of Die | progressive die | Forming Method | CNC Wire Forming, Precision Wire Bending |
| Material Grade | 65Mn, SK5, SUS301, SUS304 (Optional) | Production Type | CNC forming / Automatic coiling |
| Brand Name | METS | Place of Origin | XIAMEN.CHINA |
| High Light | heavy-duty flat wire torsion spring ,6mm width high torque spring ,gym equipment torsion spring | ||
Elevate your machinery's performance with our Heavy-Duty Flat Wire Torsion Spring, specifically engineered for high-intensity applications such as commercial gym equipment and industrial heavy-lift mechanisms. Unlike standard round wire springs, our flat wire design utilizes a rectangular cross-section, providing a significantly higher spring rate and superior torque output within a more compact axial space.
Each spring undergoes a precision thermal treatment process to ensure maximum fatigue resistance, allowing it to withstand hundreds of thousands of cycles without losing tension. The surface is finished with a premium Color Electrophoresis coating, which not only provides a sleek, professional aesthetic but also offers exceptional corrosion resistance—perfect for high-humidity environments or high-traffic fitness centers. Whether you are designing a new line of strength training machines or replacing critical components in heavy machinery, the METS Team delivers the reliability your brand demands.
![]()
Enhanced Torque Efficiency: The 6mm flat wire geometry provides more material volume in the direction of the load, delivering up to 30% more torque than round wire alternatives of the same outer diameter.
Space-Saving Design: Ideal for compact mechanical assemblies where height and width are restricted but high force is required.
Premium Electrophoresis Finish: The specialized coating prevents rust and wear, maintaining a smooth, quiet operation over years of use.
High-Cycle Fatigue Life: Manufactured from high-tensile carbon steel or stainless steel to ensure long-term durability under constant stress.
Precise Leg Geometry: Features customizable straight-arm levers for optimal leverage and easy integration into existing brackets.
| Parameter | Specification |
| Product Name | Heavy-Duty Flat Wire Torsion Spring |
| Material | High-Tensile Carbon Steel / Stainless Steel / Alloy Steel |
| Wire Width | 6mm (Customizable) |
| Wire Thickness | 2mm - 4mm (Optional) |
| Total Height | 100mm |
| Total Width | 70mm |
| Surface Treatment | Color Electrophoresis / Black Oxide / Zinc Plating |
| Torsion Direction | Left-Hand or Right-Hand Wind |
| Operating Temp | -40°C to 120°C |
| Application Standard | ISO 9001 / DIN 2095 / JIS B 2704 |
Our flat wire torsion springs are versatile components trusted across several high-demand sectors:
Fitness & Strength Equipment: The primary choice for stationary bikes, rowing machines, and leg press stations. It provides the necessary resistance and smooth reset for heavy-duty gym frames.
Automotive Components: Used in heavy-duty hinges, seat adjustment mechanisms, and tailgate assists where high force and compact size are essential.
Industrial Automation: Critical for folding robotic arms, heavy-duty industrial doors, and conveyor tensioning systems.
Agricultural Machinery: Found in harvest equipment and heavy-duty gate latches that endure harsh outdoor weather conditions.
At METS, we understand that one size does not fit all. Our engineering team provides full OEM/ODM support:
Dimension Scaling: Adjust wire width, thickness, outer diameter, and leg length to match your specific torque requirements.
Material Selection: Choose from oil-tempered steel for cost-efficiency or 304/316 stainless steel for maximum hygiene and rust prevention.
Leg End Styles: We can perform secondary forming to create hooks, loops, or specialized bends at the ends of the levers for "snap-in" installation.
Color Matching: Beyond the standard bronze/gold, we offer various electrophoresis colors to match your brand's color palette.
Technical Consultation: Our engineers assist in calculating the required spring constant ($k$) and torque values for your prototype.
Prototyping: Rapid sample production to help you test and validate your design before mass manufacturing.
Quality Assurance: 100% inspection of critical dimensions and tension testing to ensure batch consistency.
Internal Packaging: Moisture-proof plastic bags or anti-static wrap.
External Packaging: High-strength corrugated cartons with internal foam padding to prevent deformation during transit.
Global Logistics: We support Sea Freight, Air Freight, and Express (DHL/FedEx/UPS) with full customs documentation for global export.
Q: Why choose flat wire over round wire for a torsion spring?
A: Flat wire allows for a higher energy density. It provides more force in a smaller space and is less likely to buckle or tilt under high-load conditions.
Q: Can I get a sample before placing a bulk order?
A: Yes, we provide prototype samples based on your CAD drawings or technical specifications.
Q: What is the lead time for mass production?
A: Typically 10-15 working days, depending on the complexity of the customization and current order volume.
Q: Do you offer different colors for the electrophoresis coating?
A: Yes, while the bronze/gold is popular, we can offer black, silver, and other colors depending on the order quantity.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2014
Total Annual:
30000000-5000000
Employee Number:
100~130
Ecer Certification:
Verified Supplier
2006,Established in Xiamen, METS is a professional hardware company specialized in mould design, mould manufacturing of contact and machine shell, automotive, electronics, LED lampshade, lead frame and lamination core(stator and rotor) etc. As well as precision metal stampings production.Our enginee... 2006,Established in Xiamen, METS is a professional hardware company specialized in mould design, mould manufacturing of contact and machine shell, automotive, electronics, LED lampshade, lead frame and lamination core(stator and rotor) etc. As well as precision metal stampings production.Our enginee...
Get in touch with us
Leave a Message, we will call you back quickly!