RS PRO Stainless Steel Extension Spring, 24.5mm x 3.5mm
- RS Stock No.:
- 821-431
- Distrelec Article No.:
- 304-17-851
- Brand:
- RS PRO
Subtotal (1 pack of 10 units)*
£10.80
(exc. VAT)
£13.00
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 210 unit(s) ready to ship
- Plus 50 unit(s) ready to ship from another location
- Plus 330 unit(s) shipping from 31 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
---|---|---|
10 + | £1.08 | £10.80 |
*price indicative
Alternative
This product is not currently available. Here is our alternative recommendation.
Each (In a Pack of 10)
£1.126
(exc. VAT)
£1.351
(inc. VAT)
- RS Stock No.:
- 821-431
- Distrelec Article No.:
- 304-17-851
- Brand:
- RS PRO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | RS PRO | |
Material | Stainless Steel | |
Free Length | 24.5mm | |
Maximum Extended Length | 41.80mm | |
Outside Diameter | 3.5mm | |
Wire Diameter | 0.5mm | |
Initial Tension | 10N | |
Spring Rate | 0.49N/mm | |
Select all | ||
---|---|---|
Brand RS PRO | ||
Material Stainless Steel | ||
Free Length 24.5mm | ||
Maximum Extended Length 41.80mm | ||
Outside Diameter 3.5mm | ||
Wire Diameter 0.5mm | ||
Initial Tension 10N | ||
Spring Rate 0.49N/mm | ||
- COO (Country of Origin):
- GB
RS PRO Stainless Steel Extension Spring
From the trusted brand RS PRO, a range of high-quality stainless-steel extension springs when extended create a resistance to a pulling force, absorb and store energy. Our extension springs are quick and easy to install, commonly used on garage door assemblies, automotive interiors and exteriors, and much more.
How do they work?
Extension springs are coils attached by two components from both ends of the spring. When pulled apart the extension springs pull them back together again. The springs' tension can be adapted depending on the application load requirements.
Why would you choose RS PRO for Extension Springs?
Extension springs are often the least expensive part of your assemblies, failure can mean costly machine downtime and product rejects. To ensure quality and longer reliability RS PRO offer a range of stainless steel extension springs with various spring rates and length to suit your application.
Features and Benefits
- Absorb and store energy
- Pulling force resistance
- Wound springs
- Loop ends
- Available in various sizes
Specification
- Material: Stainless Steel
- Wire diameter: 0.5 mm to 0.7 mm
- Spring rate: 0.11 N/mm to 0.64 N/mm
Applications
- Automotive interiors and exteriors
- Garage door assemblies
- Vice-grip pliers
- Trampolines
- Washing devices
- Farm machinery
Note
Extension springs should not be exposed to the same stress levels as a compression springs.
Standards
Material to DIN 17224 No. 1 4310 or BS2056 EN58A with a right hand helix
All dimensions conform to DIN 2097 (Grade 2).
All dimensions conform to DIN 2097 (Grade 2).
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