Menu Search

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:

Request a quote

For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 1 working days.

Filter or Search Variants

Use the filters or search below to find what you're looking for

Imperial
Metric
Hide Show Filters
Show less filters Show more filters
198 results
Product SKUs information
Essentra Part Number Price range Availability Loaded Length Spring Rate Initial Tension Overall Length Material Load at Load Length Outside Diameter View
£ 2.0552 - £ 2.2395 Request the lead time here
1.85 N
101.6 mm
Stainless Steel
19.64 N
£ 1.9844 - £ 2.1545 Request the lead time here
3.04 N
28.5 mm
Stainless Steel
33.57 N
£ 1.9844 - £ 2.1545 Request the lead time here
3.04 N
44.5 mm
Stainless Steel
33.57 N
£ 1.9844 - £ 2.1545 Request the lead time here
3.04 N
69.9 mm
Stainless Steel
33.57 N
£ 1.9844 - £ 2.1545 Request the lead time here
5.19 N
31.8 mm
Stainless Steel
58.54 N
£ 1.9844 - £ 2.1545 Request the lead time here
5.19 N
50.8 mm
Stainless Steel
58.54 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
£ 2.3387 - £ 2.5513 Request the lead time here
1.48 N
114.3 mm
Stainless Steel
16.30 N
£ 2.3104 - £ 2.5088 Request the lead time here
6.30 N
38.1 mm
Stainless Steel
69.66 N
£ 2.3245 - £ 2.5372 Request the lead time here
6.30 N
63.5 mm
Stainless Steel
69.66 N
£ 2.4663 - £ 2.6789 Request the lead time here
6.30 N
101.6 mm
Stainless Steel
69.66 N
£ 3.5577 - £ 3.8554 Request the lead time here
10.26 N
57.2 mm
Stainless Steel
114.20 N
£ 3.8695 - £ 4.2097 Request the lead time here
10.28 N
88.9 mm
Stainless Steel
114.19 N
£ 3.9546 - £ 4.2948 Request the lead time here
23.22 N
50.8 mm
Stainless Steel
258.22 N
£ 3.8979 - £ 4.2381 Request the lead time here
23.22 N
76.2 mm
Stainless Steel
258.22 N
£ 4.3089 - £ 4.6916 Request the lead time here
23.22 N
127.0 mm
Stainless Steel
258.22 N
£ 1.4316 - £ 1.5591 Request the lead time here
0.85 N
38.1 mm
Carbon Steel
9.21 N
10439142 £ 1.4316 - £ 1.5591 Request the lead time here
0.85 N
63.5 mm
Carbon Steel
9.21 N
  • of 10
Extension Spring 6.1 mm 0.19 Nmm Stainless Steel

10439791

Price Range
£ 2.2395 - £ 2.0552

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
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 2.10 Nmm Stainless Steel

10424841

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
    28.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.74 Nmm Stainless Steel

10416211

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
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.37 Nmm Stainless Steel

10439852

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 10.6 mm 4.23 Nmm Stainless Steel

10439876

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
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 1.72 Nmm Stainless Steel

10439913

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
    50.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.96 Nmm Stainless Steel

10439920

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

10439951

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

10439999

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 12.7 mm 0.04 Nmm Stainless Steel

10440018

Price Range
£ 2.5513 - £ 2.3387

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
    114.3 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 3.72 Nmm Stainless Steel

10440056

Price Range
£ 2.5088 - £ 2.3104

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
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 1.52 Nmm Stainless Steel

10440087

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
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.80 Nmm Stainless Steel

10440117

Price Range
£ 2.6789 - £ 2.4663

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
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 3.56 Nmm Stainless Steel

10635117

Price Range
£ 3.8554 - £ 3.5577

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    10.26 N
  • Load at Load Length
    114.20 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 1.47 Nmm Stainless Steel

10633885

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
    88.9 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 22.04 Nmm Stainless Steel

10641910

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 9.56 Nmm Stainless Steel

10641835

Price Range
£ 4.2381 - £ 3.8979

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
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 4.41 Nmm Stainless Steel

10642016

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 6.1 mm 0.12 Nmm Carbon Steel

10439111

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
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.05 Nmm Carbon Steel

10439142

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
    63.5 mm
  • Material
    Carbon Steel