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RS PRO Steel Extension Spring, 48 mm Free Length x 11 mm Outside Diameter, 259 N Initial Tension 121-337
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | RS PRO |
| Material | Steel |
| Model | 121-337 |
| Outside diameter | 11mm |
| Wire Diameter | 2.2mm |
| Standards/Approvals | RoHS, BS 1408 CR3, DIN 17223 |
| Free Length | 48mm |
| Spring Rate | 21.9N/mm |
| Maximum Extended Length | 58.1mm |
| Initial Tension | 259N |
Key Features
- Manufactured from high tensile strength piano/music wire for durability.
- Right-hand (clockwise) helix with looped ends ensures secure attachment.
- Initial tension of 259 N provides reliable resistance to pulling force.
- Spring rate of 21.9 N/mm allows precise energy absorption and release.
- Compliant with RoHS, BS 1408 CR3, and DIN 17223 standards.
- Maximum extended length of 58.1 mm supports significant extension applications.
- Suitable for automotive, garage doors, pliers, carburetors, and farm machinery.
- Oiled finish protects against corrosion and extends lifespan.
Product Description
RS PRO 121-337 Steel Extension Spring is a precision-engineered mechanical component manufactured from high tensile strength piano/music wire. It features a free length of 48 mm and an outside diameter of 11 mm, delivering optimized mechanical performance for various industrial applications.
The spring has a right-hand (clockwise) helix and looped ends, ensuring secure attachment at both ends while providing excellent energy absorption and resistance to pulling forces. With an initial tension of 259 N and a spring rate of 21.9 N/mm, this extension spring offers reliable mechanical resistance tailored to individual requirements.
Manufactured under strict standards including RoHS, BS 1408 CR3, and DIN 17223, this spring meets rigorous quality and safety requirements. Its maximum extended length is 58.1 mm, allowing significant extension without loss of load capacity.
Typical applications for this spring include automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, and farm machinery. The oiled finish provides corrosion resistance enhancing durability in diverse environments.
High tensile strength steel construction for long service life. Right-hand helix with looped ends for secure fixing. Initial tension of 259 N ensures effective resistance to pulling forces. Spring rate of 21.9 N/mm facilitates accurate load response.
Compliance with international standards guarantees quality. Suitable for a wide range of mechanical and automotive applications. Corrosion resistant oiled finish for extended longevity. Manufactured in the United Kingdom.
This RS PRO Steel Extension Spring is a dependable choice for industrial, automotive, and agricultural machinery requiring precise and durable spring components. Explore our extensive range of Extension Springs and other fasteners at EnvMart for comprehensive solutions.
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Frequently Asked Questions
The free length of this extension spring is 48 mm.
This model has an initial tension of 259 N, providing reliable resistance to pulling forces.
The spring rate of this extension spring is 21.9 N/mm, allowing for precise energy absorption and release.
The maximum extended length of this spring is 58.1 mm, which supports significant extension applications.
This spring complies with RoHS, BS 1408 CR3, and DIN 17223 standards, ensuring quality and safety.
It is manufactured from high tensile strength steel, specifically piano/music wire, for durability.
The outside diameter of this model is 11 mm.
The spring features a right-hand (clockwise) helix with looped ends, ensuring secure attachment at both ends.
This extension spring is suitable for automotive applications, garage doors, pliers, carburetors, and farm machinery.
The wire diameter of this spring is 2.2 mm.
This extension spring is manufactured in the United Kingdom.
The spring has an oiled finish that provides corrosion resistance and extends its lifespan.
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