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Extension Springs

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Extension springs are helical coil springs designed to absorb energy while resisting pulling forces. The further they are stretched, the more force is generate, making them ideal for bringing two components together.

Common applications include Throttle Turn Mechanisms in Automotive, Trampolines, Fitness Equipment and Vibration Dampening Systems.

It is available in both Music Wire material, which is ideal for temperatures between -30 C and +120 C and for use in dry environments, and stainless Steel material, which is ideal for temperatures between -200 C and +250 C and for use in both dry and humid or wet environments. Key Factors to consider when choosing a spring for an application include Spring Material and the Working Environment, Spring Dimensions in both extended and non-extended states. Material: Stainless Steel, Carbon Steel Series Code:

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198 results
Product SKUs information
Item Code Price range Availability Loaded Length Spring Rate Initial Tension Overall Length Material Load at Load Length Outside Diameter View
£ 1.9844 - £ 2.1545 Request the lead time here
1.48 N
34.8 mm
Stainless Steel
16.30 N
£ 1.9844 - £ 2.1545 Request the lead time here
3.04 N
76.2 mm
Stainless Steel
33.57 N
£ 1.9844 - £ 2.1545 Request the lead time here
1.48 N
57.2 mm
Stainless Steel
16.30 N
£ 1.9844 - £ 2.1545 Request the lead time here
5.19 N
34.8 mm
Stainless Steel
58.54 N
£ 1.715 - £ 1.8568 Request the lead time here
0.71 N
34.8 mm
Stainless Steel
7.67 N
£ 1.715 - £ 1.8568 Request the lead time here
0.71 N
31.8 mm
Stainless Steel
7.67 N
£ 1.715 - £ 1.8568 Request the lead time here
0.71 N
57.2 mm
Stainless Steel
7.67 N
£ 1.715 - £ 1.8568 Request the lead time here
1.85 N
19.1 mm
Stainless Steel
19.64 N
£ 1.715 - £ 1.8568 Request the lead time here
1.85 N
31.8 mm
Stainless Steel
19.64 N
£ 2.3245 - £ 2.5372 Request the lead time here
6.30 N
57.2 mm
Stainless Steel
69.66 N
£ 1.715 - £ 1.8568 Request the lead time here
1.85 N
28.5 mm
Stainless Steel
19.64 N
£ 1.715 - £ 1.8568 Request the lead time here
1.85 N
76.2 mm
Stainless Steel
19.64 N
£ 3.9546 - £ 4.2948 Request the lead time here
23.22 N
50.8 mm
Stainless Steel
258.22 N
£ 3.8695 - £ 4.2097 Request the lead time here
10.28 N
76.2 mm
Stainless Steel
114.19 N
£ 4.3089 - £ 4.6916 Request the lead time here
23.22 N
127.0 mm
Stainless Steel
258.22 N
£ 2.6364 - £ 2.849 Request the lead time here
27.89 N
69.9 mm
Carbon Steel
309.98 N
£ 2.9057 - £ 3.1608 Request the lead time here
27.89 N
114.3 mm
Carbon Steel
309.98 N
£ 1.4316 - £ 1.5591 Request the lead time here
0.85 N
69.9 mm
Carbon Steel
9.21 N
£ 2.9057 - £ 3.1608 Request the lead time here
27.89 N
101.6 mm
Carbon Steel
309.98 N
£ 1.4316 - £ 1.5591 Request the lead time here
2.22 N
38.1 mm
Carbon Steel
23.58 N
  • of 10
Extension Spring 12.7 mm 0.31 Nmm Stainless Steel

1217528

Price Range
£ 2.1545 - £ 1.9844

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.34 Nmm Stainless Steel

1217515

Price Range
£ 2.1545 - £ 1.9844

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.12 Nmm Stainless Steel

1217532

Price Range
£ 2.1545 - £ 1.9844

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 3.43 Nmm Stainless Steel

1217519

Price Range
£ 2.1545 - £ 1.9844

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.12 Nmm Stainless Steel

1217480

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.71 N
  • Load at Load Length
    7.67 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.13 Nmm Stainless Steel

1217479

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.71 N
  • Load at Load Length
    7.67 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.06 Nmm Stainless Steel

1217484

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.71 N
  • Load at Load Length
    7.67 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 2.02 Nmm Stainless Steel

1217488

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    19.1 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.77 Nmm Stainless Steel

1217492

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 1.78 Nmm Stainless Steel

1217545

Price Range
£ 2.5372 - £ 2.3245

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.95 Nmm Stainless Steel

1217491

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    28.5 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.25 Nmm Stainless Steel

1217500

Price Range
£ 1.8568 - £ 1.715

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 22.04 Nmm Stainless Steel

1217562

Price Range
£ 4.2948 - £ 3.9546

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    50.8 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 1.93 Nmm Stainless Steel

1217557

Price Range
£ 4.2097 - £ 3.8695

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    10.28 N
  • Load at Load Length
    114.19 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 4.41 Nmm Stainless Steel

1217570

Price Range
£ 4.6916 - £ 4.3089

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    127.0 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 13.22 Nmm Carbon Steel

1217466

Price Range
£ 2.849 - £ 2.6364

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    27.89 N
  • Load at Load Length
    309.98 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 6.15 Nmm Carbon Steel

1217470

Price Range
£ 3.1608 - £ 2.9057

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    27.89 N
  • Load at Load Length
    309.98 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    114.3 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.05 Nmm Carbon Steel

1217387

Price Range
£ 1.5591 - £ 1.4316

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 7.16 Nmm Carbon Steel

1217469

Price Range
£ 3.1608 - £ 2.9057

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    27.89 N
  • Load at Load Length
    309.98 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    101.6 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.74 Nmm Carbon Steel

1217395

Price Range
£ 1.5591 - £ 1.4316

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    38.1 mm
  • Material
    Carbon Steel