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Extension Springs

In stock

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
£ 2.4946 - £ 2.7214 Request the lead time here
27.89 N
57.2 mm
Carbon Steel
309.98 N
£ 1.4316 - £ 1.5591 Request the lead time here
2.22 N
50.8 mm
Carbon Steel
23.58 N
£ 1.4316 - £ 1.5591 Request the lead time here
2.22 N
76.2 mm
Carbon Steel
23.58 N
£ 1.8851 - £ 2.0411 Request the lead time here
2.22 N
127.0 mm
Carbon Steel
23.58 N
£ 1.5024 - £ 1.6442 Request the lead time here
3.65 N
34.8 mm
Carbon Steel
40.30 N
£ 1.5024 - £ 1.6442 30 In stock
3.65 N
57.2 mm
Carbon Steel
40.30 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
25.4 mm
Carbon Steel
70.28 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
38.1 mm
Carbon Steel
70.28 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
63.5 mm
Carbon Steel
70.28 N
£ 1.5166 - £ 1.6584 Request the lead time here
1.78 N
34.8 mm
Carbon Steel
19.57 N
£ 1.5166 - £ 1.6584 Request the lead time here
1.78 N
57.2 mm
Carbon Steel
19.57 N
£ 1.6725 - £ 1.8143 Request the lead time here
1.78 N
88.9 mm
Carbon Steel
19.57 N
£ 1.4316 - £ 1.5591 Request the lead time here
2.22 N
63.5 mm
Carbon Steel
23.58 N
£ 1.8851 - £ 2.0411 Request the lead time here
2.22 N
101.6 mm
Carbon Steel
23.58 N
£ 1.5024 - £ 1.6442 Request the lead time here
3.65 N
28.5 mm
Carbon Steel
40.30 N
£ 1.5024 - £ 1.6442 Request the lead time here
3.65 N
44.5 mm
Carbon Steel
40.30 N
£ 1.5024 - £ 1.6442 Request the lead time here
3.65 N
69.9 mm
Carbon Steel
40.30 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
31.8 mm
Carbon Steel
70.28 N
£ 1.5024 - £ 1.6442 330 In stock
6.23 N
50.8 mm
Carbon Steel
70.28 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
76.2 mm
Carbon Steel
70.28 N
  • of 10
Extension Spring 19.1 mm 20.22 Nmm Carbon Steel

1217464

Price Range
£ 2.7214 - £ 2.4946

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
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.51 Nmm Carbon Steel

1217397

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
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.30 Nmm Carbon Steel

1217401

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
    76.2 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.18 Nmm Carbon Steel

1217405

Price Range
£ 2.0411 - £ 1.8851

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
    127.0 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.47 Nmm Carbon Steel

1217409

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    34.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.60 Nmm Carbon Steel

1217413

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
30 In stock
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 9.91 Nmm Carbon Steel

1217417

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 3.41 Nmm Carbon Steel

1217421

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.47 Nmm Carbon Steel

1217425

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.37 Nmm Carbon Steel

1217429

Price Range
£ 1.6584 - £ 1.5166

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    34.8 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.14 Nmm Carbon Steel

1217433

Price Range
£ 1.6584 - £ 1.5166

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.07 Nmm Carbon Steel

1217437

Price Range
£ 1.8143 - £ 1.6725

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    88.9 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.39 Nmm Carbon Steel

1217399

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.23 Nmm Carbon Steel

1217403

Price Range
£ 2.0411 - £ 1.8851

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
    101.6 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 2.52 Nmm Carbon Steel

1217407

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.89 Nmm Carbon Steel

1217411

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.44 Nmm Carbon Steel

1217415

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 5.08 Nmm Carbon Steel

1217419

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    31.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 2.07 Nmm Carbon Steel

1217423

Price Range
£ 1.6442 - £ 1.5024

Stock Levels
330 In stock
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.16 Nmm Carbon Steel

1217427

Price Range
£ 1.6442 - £ 1.5024

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