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Extension Springs

Extension springs, also called tension springs, are helical coil springs designed to extend and store energy when pulled. They are characterised by their tightly wound coils of wire with a loop or hook on either side for secure attachment. Unlike compression springs, which resist pushing forces, an extension spring elongates upon applying force and attempts to return to its original length. Tension springs are typically made from flexible metals, ensuring robust flexibility and corrosion resistance. Our extension spring types come in varied diameters, spring rates, extended lengths, and loads to meet your various needs. 

Why Buy Extension Springs? 

Investing in extension springs offers unparalleled benefits across various applications. They are indispensable for their durability and flexibility, absorbing shock and vibration. Purchasing a quality extension spring reduces the need for frequent replacements. Additionally, their affordability, durability, and ease of installation make them a favourite choice for applications. 

Check Our Range of Extension Springs (Based on Materials):

Our diverse range of extension springs includes varieties designed to meet users’ needs across various applications. Our collection includes:

  • Stainless Steel Extension Springs – These springs offer robust strength, felicity, and rust resistance. They are ideal for applications exposed to harsh conditions, such as marine, extreme temperatures, chemical, and corrosive environments. 
  • Steel Extension Springs – A steel extension spring is a versatile and cost-effective option for general-purpose applications.  It offers good strength and durability and is common in furniture, toys, and various mechanical assemblies.
  • Chrome Vanadium Electric Steel – These springs are manufactured from a specialised alloy steel known for its high strength, toughness, and fatigue resistance.  They are suitable for demanding applications requiring repeated stretching and high stress.   

Typical Uses of Extension Springs:

Extension springs find applications in several products and industries, including:

  • Garage Doors
  • Consumer Goods
  • Medical Devices
  • Industrial Machinery
  • Trampolines
  • Farm Machinery
  • Automotive Assemblies.

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RS Pro
Rohs Verified
121-400, RS Pro
55 In Stock
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3 +
£ 5.04
RS Pro
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751-893, RS Pro
1328 In Stock
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£ 1.16
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121-359, RS Pro
293 In Stock
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£ 2.10
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751-758, RS Pro
1738 In Stock
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£ 1.10
RS Pro
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751-938, RS Pro
258 In Stock
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£ 1.55
RS Pro
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751-714, RS Pro
328 In Stock
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£ 0.92
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121-337, RS Pro
228 In Stock
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£ 1.29
RS Pro
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751-786, RS Pro
98 In Stock
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£ 0.94
RS Pro
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751-821, RS Pro
Pre Order
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£ 1.18
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751-922, RS Pro
2218 In Stock
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£ 1.26
RS Pro
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751-837, RS Pro
978 In Stock
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£ 1.15
RS Pro
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751-843, RS Pro
98 In Stock
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£ 13.53
RS Pro
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751-809, RS Pro
1768 In Stock
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10 +
£ 0.99
RS Pro
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751-742, RS Pro
208 In Stock
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£ 0.95
2TLA050211R0004, ABB
1 In Stock
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1 +
£ 58.73
RS Pro
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751-770, RS Pro
598 In Stock
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£ 0.93
RS Pro
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121-365, RS Pro
818 In Stock
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£ 3.17
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121-371, RS Pro
403 In Stock
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£ 1.81
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121-393, RS Pro
83 In Stock
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£ 3.85
RS Pro
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121-416, RS Pro
232 In Stock
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£ 7.53
RS Pro
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751-871, RS Pro
1418 In Stock
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£ 1.12
RS Pro
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751-691, RS Pro
1008 In Stock
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£ 0.89
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121-321, RS Pro
608 In Stock
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£ 2.35
Pressmaster
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4300-3735, Pressmaster
26 In Stock
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2 +
£ 6.66
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121-343, RS Pro
166 In Stock
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£ 3.85
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FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Extension Springs and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Extension Springs or any other product.
This depends on the Extension Springs individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Extension Springs and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Extension Springs.
Yes. We keep updating our stock frequently and if a product like Extension Springs is not in stock then we will let you know.