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RS PRO Steel Extension Spring, 88.6 mm Free Length x 24 mm Outside Diameter, Initial Tension 127 N, Spring Rate 0.92 121-343
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | RS PRO |
| Material | Steel |
| Model | 121-343 |
| Outside diameter | 24mm |
| Wire Diameter | 2.2mm |
| Standards/Approvals | BS 1408 CR3, DIN 17223, RoHS |
| Free Length | 88.6mm |
| Spring Rate | 0.92N/mm |
| Maximum Extended Length | 206.6mm |
| Initial Tension | 127N |
| RS PRO Steel Extension Spring, 87.7 mm x 17 mm ODBrand | RS PRO |
Key Features
- Constructed from high-quality steel material ensuring durability.
- Free length of 88.6 mm with a maximum extended length of 206.6 mm.
- Initial tension of 127 N provides robust starting resistance.
- Spring rate of 0.92 N/mm allows controlled extension under load.
- Ends feature side hooks designed for secure attachment.
- Manufactured with right-hand (clockwise) helix and looped ends.
- Conforms to standards BS 1408 CR3, DIN 17223, and RoHS compliant.
- Ideal for robotics, automotive interiors, garage door assemblies, and farm machinery.
Product Description
RS PRO 121-343 Steel Extension Spring is a precision-engineered fastening component designed for industrial and commercial applications requiring reliable tension resistance. Manufactured from high-strength steel, this extension spring features a free length of 88.6 mm and an outside diameter of 24 mm, making it suitable for diverse machinery and equipment.
The spring is crafted with a right-hand clockwise helix and equipped with side hooks at each wire end, providing excellent engagement with mating components. It exhibits an initial tension of 127 N, ensuring immediate resistance to pulling forces, and offers a spring rate of 0.92 N/mm, facilitating controlled elasticity and energy absorption up to a maximum extended length of 206.6 mm.
This extension spring meets the rigorous standards of BS 1408 CR3, DIN 17223, and is RoHS compliant, affirming its suitability for environmentally conscious engineering projects. Its robust steel construction ensures durability and longevity in demanding environments.
Common applications include use in robotic assemblies, automotive interiors and exteriors, garage door mechanisms, vice-grip pliers, lever systems, carburettors, trampolines, washing machines, farm machinery, children's toys, window screens, pool covers, sofa bed tension systems, and upholstery springs.
High tensile steel construction ensures strength and durability. Side hook ends facilitate secure fittings. Initial tension and spring rate are optimized for performance. Compliant with relevant British and German standards and RoHS directive.
Designed for both commercial and domestic mechanical assemblies.
Choose the RS PRO 121-343 extension spring for dependable performance in mechanical fastening and tension applications. Explore EnvMart's extensive selection of mechanical fasteners and industrial components for your project needs.
Explore more products in our Extension Springs category.
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Frequently Asked Questions
The free length of this extension spring is 88.6 mm.
The maximum extended length of this model is 206.6 mm.
The initial tension of the RS PRO 121-343 spring is 127 N.
The spring rate for this extension spring is 0.92 N/mm.
This extension spring has an outside diameter of 24 mm and a wire diameter of 2.2 mm.
This spring conforms to the standards BS 1408 CR3, DIN 17223, and is RoHS compliant.
This extension spring features a right-hand (clockwise) helix.
This extension spring is suitable for applications in robotics, automotive interiors, garage door assemblies, and farm machinery.
The ends of this spring feature side hooks designed for secure attachment.
This extension spring is manufactured in the United Kingdom.
This extension spring is constructed from high-strength steel.
The spring rate of 0.92 N/mm allows for controlled elasticity and energy absorption under load.
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