Extension Springs

An extension spring or tension spring is a length of tightly coiled metal, usually steel with hooks or loops at either end. Extension springs absorb and store energy. You can find out more in our extension springs guide.

What does it do?

An extension spring is a component that creates a resis...

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RS PRO Steel Extension Spring, 77.8mm x 13mm
RS Stock No.: 121-359Brand: RS PRO

€ 17.82

€ 3.564 Each (In a Pack of 5) (ex VAT)

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RS Pro
Steel
77.8mm
97.4mm
13mm
2.5mm
48.48N
13.7N/mm
RS PRO Steel Extension Spring, 32.6mm x 9mm
RS Stock No.: 751-821Brand: RS PRO

€ 20.06

€ 2.006 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
32.6mm
86.1mm
9mm
0.8mm
19N
0.3N/mm
RS PRO Steel Extension Spring, 34.4mm x 12mm
RS Stock No.: 751-893Brand: RS PRO

€ 19.82

€ 1.982 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
34.4mm
76.70mm
12mm
1.1mm
5.35N
0.72N/mm
RS PRO Steel Extension Spring, 25mm x 5mm
RS Stock No.: 751-691Brand: RS PRO

€ 15.10

€ 1.51 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
25mm
80.80mm
5mm
0.45mm
6.48N
0.11N/mm
RS PRO Steel Extension Spring, 35mm x 7mm
RS Stock No.: 751-770Brand: RS PRO

€ 15.81

€ 1.581 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
35mm
101.5mm
7mm
0.63mm
12.2N
0.16N/mm
RS PRO Steel Extension Spring, 30.4mm x 6mm
RS Stock No.: 751-742Brand: RS PRO

€ 16.05

€ 1.605 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
30.4mm
86.6mm
6mm
0.55mm
9.5N
0.15N/mm
RS PRO Steel Extension Spring, 88.6mm x 24mm
RS Stock No.: 121-343Brand: RS PRO

€ 19.58

€ 6.525 Each (In a Pack of 3) (ex VAT)

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RS Pro
Steel
88.6mm
206.6mm
24mm
2.2mm
18.44N
0.92N/mm
RS PRO Steel Extension Spring, 60.6mm x 9mm
RS Stock No.: 751-843Brand: RS PRO

€ 22.93

€ 22.93 1 Pack of 10 (ex VAT)

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RS Pro
Steel
60.6mm
188.6mm
9mm
0.8mm
19N
0.13N/mm
RS PRO Stainless Steel Extension Spring, 34.5mm x 5mm
RS Stock No.: 821-526Brand: RS PRO

€ 17.94

€ 1.794 Each (In a Pack of 10) (ex VAT)

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RS Pro
Stainless Steel
34.5mm
59.50mm
5mm
0.7mm
18.8N
0.64N/mm
RS PRO Stainless Steel Extension Spring, 26.40mm x 3.5mm
RS Stock No.: 821-469Brand: RS PRO

€ 16.76

€ 1.676 Each (In a Pack of 10) (ex VAT)

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RS Pro
Stainless Steel
26.40mm
41.10mm
3.5mm
0.55mm
13.1N
0.75N/mm
RS PRO Steel Extension Spring, 47.6mm x 7mm
RS Stock No.: 751-786Brand: RS PRO

€ 16.05

€ 1.605 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
47.6mm
147.3mm
7mm
0.63mm
12.2N
0.11N/mm
RS PRO Steel Extension Spring, 34.5mm x 5mm
RS Stock No.: 751-792Brand: RS PRO

€ 17.46

€ 1.746 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
34.5mm
59.50mm
5mm
0.7mm
22.6N
0.77N/mm
RS PRO Steel Extension Spring, 38.5mm x 7.5mm
RS Stock No.: 751-809Brand: RS PRO

€ 16.76

€ 1.676 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
38.5mm
106.00mm
7.5mm
0.7mm
15.4N
0.2N/mm
RS PRO Steel Extension Spring, 27.7mm x 5.5mm
RS Stock No.: 751-714Brand: RS PRO

€ 15.81

€ 1.581 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
27.7mm
80mm
5.5mm
0.5mm
7.80N
0.13N/mm
RS PRO Stainless Steel Extension Spring, 32.9mm x 3.6mm
RS Stock No.: 821-403Brand: RS PRO

€ 14.04

€ 1.404 Each (In a Pack of 10) (ex VAT)

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RS Pro
Stainless Steel
32.9mm
87.6mm
3.6mm
0.4mm
5.44N
0.093N/mm
RS PRO Steel Extension Spring, 26.4mm x 3.5mm
RS Stock No.: 751-736Brand: RS PRO

€ 15.34

€ 1.534 Each (In a Pack of 10) (ex VAT)

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RS Pro
Steel
26.4mm
41.1mm
3.5mm
0.55mm
15.7N
0.9N/mm
RS PRO Steel Extension Spring, 87.2mm x 20mm
RS Stock No.: 121-400Brand: RS PRO

€ 25.66

€ 8.555 Each (In a Pack of 3) (ex VAT)

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RS Pro
Steel
87.2mm
103.4mm
20mm
4mm
113.86N
39.7N/mm
RS PRO Steel Extension Spring, 31mm x 4.5mm
RS Stock No.: 751-764Brand: RS PRO

€ 16.65

€ 16.65 1 Pack of 10 (ex VAT)

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RS Pro
Steel
31mm
53.6mm
4.5mm
0.63mm
18.3N
0.7N/mm