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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, 59mm x 8.5mm
RS Stock No.: 751-916Brand: RS PRO

€ 3.392

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RS Pro
Steel
59mm
98.6mm
8.5mm
1.2mm
62.8N
1.35N/mm
30417743
RS PRO Steel Extension Spring, 50mm x 10mm
RS Stock No.: 751-865Brand: RS PRO

€ 2.249

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RS Pro
Steel
50mm
142.20mm
10mm
0.9mm
24N
0.23N/mm
30417741
RS PRO Steel Extension Spring, 44.6mm x 9mm
RS Stock No.: 751-837Brand: RS PRO

€ 2.487

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

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RS Pro
Steel
44.6mm
130.20mm
9mm
0.8mm
19N
0.19N/mm
-
RS PRO Stainless Steel Extension Spring, 37.7mm x 5.5mm
RS Stock No.: 821-453Brand: RS PRO

€ 2.344

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

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RS Pro
Stainless Steel
37.7mm
116.10mm
5.5mm
0.5mm
6.50N
0.07N/mm
-
RS PRO Steel Extension Spring, 77.8mm x 13mm
RS Stock No.: 121-359Brand: RS PRO

€ 4.558

1 Pack of 1 (ex VAT)

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RS Pro
Steel
77.8mm
97.4mm
13mm
2.5mm
317N
13.7N/mm
30416891
RS PRO Stainless Steel Extension Spring, 35mm x 7mm
RS Stock No.: 821-504Brand: RS PRO

€ 2.13

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

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RS Pro
Stainless Steel
35mm
101.50mm
7mm
0.63mm
1N
0.13N/mm
30417853
RS PRO Steel Extension Spring, 27.2mm x 4mm
RS Stock No.: 751-663Brand: RS PRO

€ 2.19

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

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RS Pro
Steel
27.2mm
95.7mm
4mm
0.36mm
4.26N
0.06N/mm
-
RS PRO Steel Extension Spring, 39.7mm x 11mm
RS Stock No.: 751-944Brand: RS PRO

€ 3.177

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

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RS Pro
Steel
39.7mm
58.4mm
11mm
1.6mm
111N
5.02N/mm
30417746
RS PRO Steel Extension Spring, 87.7mm x 17mm
RS Stock No.: 751-950Brand: RS PRO

€ 13.32

1 Pack of 5 (ex VAT)

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RS Pro
Steel
87.7mm
224.70mm
17mm
1.6mm
11N
0.46N/mm
-
RS PRO Steel Extension Spring, 85.5mm x 18mm
RS Stock No.: 121-365Brand: RS PRO

€ 6.866

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

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RS Pro
Steel
85.5mm
133.10mm
18mm
2.5mm
237N
4.27N/mm
30416892
RS PRO Stainless Steel Extension Spring, 24.5mm x 3.5mm
RS Stock No.: 821-431Brand: RS PRO

€ 2.035

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

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RS Pro
Stainless Steel
24.5mm
41.80mm
3.5mm
0.5mm
10N
0.49N/mm
30417851
RS PRO Steel Extension Spring, 44.1mm x 6.3mm
RS Stock No.: 751-859Brand: RS PRO

€ 2.094

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

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RS Pro
Steel
44.1mm
73.80mm
6.3mm
0.9mm
37.1N
1.06N/mm
-
RS PRO Steel Extension Spring, 32.6mm x 9mm
RS Stock No.: 751-821Brand: RS PRO

€ 2.547

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
30417740
RS PRO Steel Gate Spring, 200mm
RS Stock No.: 894-6803Brand: RS PRO

€ 10.71

Each (ex VAT)

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RS Pro
Steel
200mm
-
-
-
-
-
30420070
RS PRO Steel Extension Spring, 34.4mm x 12mm
RS Stock No.: 751-893Brand: RS PRO

€ 2.523

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

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RS Pro
Steel
34.4mm
76.70mm
12mm
1.1mm
35.8N
0.72N/mm
-
RS PRO Stainless Steel Extension Spring, 27.7mm x 5.5mm
RS Stock No.: 821-447Brand: RS PRO

€ 2.13

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RS Pro
Stainless Steel
27.7mm
80mm
5.5mm
0.5mm
6.5N
0.11N/mm
30418891
RS PRO Steel Extension Spring, 25mm x 5mm
RS Stock No.: 751-691Brand: RS PRO

€ 1.916

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, 75.4mm x 11mm
RS Stock No.: 751-887Brand: RS PRO

€ 2.82

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RS Pro
Steel
75.4mm
224.40mm
11mm
1mm
29.6N
0.17N/mm
-
RS PRO Stainless Steel Extension Spring, 30.4mm x 6mm
RS Stock No.: 821-475Brand: RS PRO

€ 2.13

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

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RS Pro
Stainless Steel
30.4mm
86.60mm
6mm
0.55mm
7.9N
0.12N/mm
30417852
RS PRO Steel Extension Spring, 35mm x 7mm
RS Stock No.: 751-770Brand: RS PRO

€ 2.011

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RS Pro
Steel
35mm
101.5mm
7mm
0.63mm
12.2N
0.16N/mm
-