Torsion Springs Size Guide & Specifications
DYN Fasteners provides precision-engineered torsion springs for a wide range of applications, including light-duty mechanisms, automotive, industrial, and heavy equipment systems. These springs are designed for accurate torque performance, durability, and longevity.
Standard Torsion Springs
| Spring Type | Wire Diameter (mm) | Outer Diameter (mm) | Inner Diameter (mm) | Free Length (mm) | Total Coils | Leg Length (mm) | Torque Capacity (Nm) | Solid Length (mm) |
|---|---|---|---|---|---|---|---|---|
| Light-Duty Torsion Springs | 0.5 – 2 | 5 – 30 | 3 – 25 | 10 – 50 | 3 – 5 | 5 – 20 | 0.1 – 1.0 | 4 – 15 |
| Medium-Duty Torsion Springs | 2 – 5 | 30 – 70 | 20 – 55 | 50 – 150 | 5 – 8 | 10 – 40 | 1.0 – 5.0 | 15 – 45 |
| Heavy-Duty Torsion Springs | 5 – 10 | 70 – 150 | 50 – 130 | 150 – 400 | 8 – 12 | 30 – 80 | 5.0 – 25.0 | 45 – 100 |
| Automotive Torsion Springs | 2 – 8 | 50 – 100 | 40 – 85 | 100 – 300 | 5 – 10 | 20 – 60 | 2.0 – 15.0 | 30 – 80 |
| Industrial Torsion Springs | 4 – 12 | 80 – 200 | 60 – 160 | 200 – 500 | 10 – 15 | 50 – 120 | 10.0 – 50.0 | 80 – 150 |
| Heavy Equipment Torsion Springs | 8 – 16 | 150 – 300 | 100 – 250 | 500 – 1000 | 15 – 20 | 70 – 150 | 20.0 – 100.0 | 150 – 250 |
| Custom Torsion Springs | 0.5 – 16 | 5 – 300 | 3 – 250 | Custom Sizes | Custom Coils | Custom Leg Length | Custom Torque Capacity | Custom Solid Length |
Custom sizes are available on request, ensuring that we can meet your specific project requirements.
Key Features
- High-quality torsion springs for light-duty, medium-duty, heavy-duty, automotive, and industrial applications
- Precise torque performance for reliable mechanical operation
- Durable materials for long service life under repeated cycles
- Available in a wide range of diameters, lengths, and coil counts
- Custom designs and specifications can be accommodated to meet project needs
DYN Fasteners ensures each torsion spring meets international standards for performance, reliability, and safety.