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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
£ 3.3876 - £ 3.6711 Request the lead time here
27.89 N
139.7 mm
Carbon Steel
309.98 N
£ 1.9844 - £ 2.1545 Request the lead time here
5.19 N
76.2 mm
Stainless Steel
58.54 N
£ 1.9844 - £ 2.1545 Request the lead time here
1.48 N
44.5 mm
Stainless Steel
16.30 N
£ 1.9844 - £ 2.1545 Request the lead time here
1.48 N
69.9 mm
Stainless Steel
16.30 N
£ 1.715 - £ 1.8568 Request the lead time here
1.85 N
38.1 mm
Stainless Steel
19.64 N
£ 1.5875 - £ 1.7292 Request the lead time here
7.56 N
44.5 mm
Carbon Steel
83.63 N
£ 1.8284 - £ 1.9844 Request the lead time here
7.56 N
127.0 mm
Carbon Steel
83.63 N
£ 2.6647 - £ 2.8915 Request the lead time here
12.32 N
69.9 mm
Carbon Steel
137.09 N
£ 2.7923 - £ 3.0333 Request the lead time here
12.32 N
114.3 mm
Carbon Steel
137.09 N
£ 2.4663 - £ 2.6789 Request the lead time here
12.32 N
63.5 mm
Carbon Steel
137.09 N
£ 1.9844 - £ 2.1545 Request the lead time here
3.04 N
69.9 mm
Stainless Steel
33.57 N
£ 2.4946 - £ 2.7214 Request the lead time here
27.89 N
57.2 mm
Carbon Steel
309.98 N
£ 3.3876 - £ 3.6711 Request the lead time here
27.89 N
152.4 mm
Carbon Steel
309.98 N
£ 1.4316 - £ 1.5591 Request the lead time here
0.85 N
25.4 mm
Carbon Steel
9.21 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
28.5 mm
Carbon Steel
70.28 N
£ 1.4316 - £ 1.5591 Request the lead time here
0.85 N
34.8 mm
Carbon Steel
9.21 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
44.5 mm
Carbon Steel
70.28 N
£ 1.5024 - £ 1.6442 Request the lead time here
6.23 N
69.9 mm
Carbon Steel
70.28 N
£ 1.5166 - £ 1.6584 Request the lead time here
1.78 N
38.1 mm
Carbon Steel
19.57 N
£ 1.4316 - £ 1.5591 30 In stock
0.85 N
19.1 mm
Carbon Steel
9.21 N
  • of 10
Extension Spring 19.1 mm 4.64 Nmm Carbon Steel

1217472

Price Range
£ 3.6711 - £ 3.3876

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
    139.7 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.96 Nmm Stainless Steel

1217526

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
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.18 Nmm Stainless Steel

1217530

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
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.09 Nmm Stainless Steel

1217534

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
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.61 Nmm Stainless Steel

1217494

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
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 3.27 Nmm Carbon Steel

1217444

Price Range
£ 1.7292 - £ 1.5875

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    7.56 N
  • Load at Load Length
    83.63 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.74 Nmm Carbon Steel

1217453

Price Range
£ 1.9844 - £ 1.8284

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    7.56 N
  • Load at Load Length
    83.63 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    127.0 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 2.73 Nmm Carbon Steel

1217457

Price Range
£ 2.8915 - £ 2.6647

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    12.32 N
  • Load at Load Length
    137.09 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 1.21 Nmm Carbon Steel

1217461

Price Range
£ 3.0333 - £ 2.7923

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    12.32 N
  • Load at Load Length
    137.09 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    114.3 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 3.33 Nmm Carbon Steel

1217456

Price Range
£ 2.6789 - £ 2.4663

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    12.32 N
  • Load at Load Length
    137.09 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.37 Nmm Stainless Steel

1217514

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
    69.9 mm
  • Material
    Stainless Steel
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 19.1 mm 4.19 Nmm Carbon Steel

1217473

Price Range
£ 3.6711 - £ 3.3876

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

1217378

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
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 6.79 Nmm Carbon Steel

1217418

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
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.14 Nmm Carbon Steel

1217381

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
    34.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 2.57 Nmm Carbon Steel

1217422

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
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.30 Nmm Carbon Steel

1217426

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
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.30 Nmm Carbon Steel

1217430

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
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.42 Nmm Carbon Steel

1217376

Price Range
£ 1.5591 - £ 1.4316

Stock Levels
30 In stock
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    19.1 mm
  • Material
    Carbon Steel