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RS PRO Steel Extension Spring 30.4 mm Free Length x 6 mm Outside Diameter 9.5N Initial Tension 751-742
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | RS PRO |
| Material | Steel |
| Model | 751-742 |
| Outside diameter | 6mm |
| Wire Diameter | 0.55mm |
| Standards/Approvals | BS 1408 CR3, RoHS, DIN 17223 |
| Free Length | 30.4mm |
| Spring Rate | 0.15N/mm |
| Maximum Extended Length | 86.6mm |
| Initial Tension | 9.5N |
Key Features
- Manufactured from high tensile strength steel piano/music wire.
- Right-hand (clockwise) helix with looped ends for secure attachment.
- Initial tension of 9.5 Newtons ensures reliable force resistance.
- Maximum extended length is 86.6 mm for flexibility in use.
- Spring rate of 0.15 N/mm provides consistent performance.
- Complies with BS 1408 CR3, RoHS directives, and DIN 17223 standards.
- Suitable for automotive interiors, garage doors, and farm machinery.
- Finished with oil coating conforming to DIN 2097 Grade 2 for durability.
Product Description
RS PRO 751-742 Steel Extension Spring is expertly crafted from high tensile strength steel music wire, featuring a free length of 30.4 mm and an outside diameter of 6 mm. This extension spring incorporates a right-hand helix and looped ends that allow secure attachment and reliable operation in various mechanical and industrial applications.
The spring exhibits an initial tension of 9.5N and a spring rate of 0.15 N/mm, enabling it to effectively absorb and store mechanical energy while resisting pulling forces. The maximum extended length of 86.6 mm offers flexibility for use in dynamic systems.
Manufactured to meet the stringent standards of BS 1408 CR3, RoHS compliance, and DIN 17223, this spring is ideal for automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, and farm machinery. The oil finish to DIN 2097 Grade 2 protects against corrosion and wear, ensuring long service life.
The spring's design delivers reliable resistance and energy storage capabilities required in demanding mechanical environments, making it a critical component in fasteners and fixing assemblies.
Manufactured from high tensile strength steel music wire. Right-hand (clockwise) helix with looped ends for attachment. Initial tension of 9.5 Newtons for controlled resistance. Maximum extended length of 86.6 mm. Spring rate of 0.15 N/mm for consistent force delivery.
Complies with BS 1408 CR3, RoHS, and DIN 17223 standards. Oil finish according to DIN 2097 Grade 2 for corrosion protection. Suitable for automotive, industrial, and agricultural applications.
This RS PRO extension spring is a trusted choice for demanding mechanical, manufacturing, and repair tasks. Explore more of the RS PRO range in the Extension Springs category on EnvMart to find compatible fasteners and springs.
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Frequently Asked Questions
The free length of this extension spring is 30.4 mm.
The maximum extended length of this model is 86.6 mm.
This extension spring has an initial tension of 9.5 Newtons.
The spring rate is 0.15 N/mm, which provides consistent performance.
It is manufactured from high tensile strength steel music wire.
This spring complies with BS 1408 CR3, RoHS directives, and DIN 17223 standards.
The outside diameter of this extension spring is 6 mm.
It is suitable for automotive interiors, garage doors, and farm machinery.
This spring features a right-hand (clockwise) helix with looped ends for secure attachment.
The wire diameter of this extension spring is 0.55 mm.
It is finished with an oil coating conforming to DIN 2097 Grade 2 for corrosion protection.
This extension spring is manufactured in the United Kingdom.
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