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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
Essentra Part Number Price range Availability Loaded Length Spring Rate Initial Tension Overall Length Material Load at Load Length Outside Diameter View
£ 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
£ 1.5166 - £ 1.6584 Request the lead time here
1.78 N
44.5 mm
Carbon Steel
19.57 N
£ 1.5166 - £ 1.6584 Request the lead time here
1.78 N
69.9 mm
Carbon Steel
19.57 N
Request the lead time here
1.78 N
114.3 mm
Carbon Steel
19.57 N
£ 1.5875 - £ 1.7292 Request the lead time here
7.56 N
38.1 mm
Carbon Steel
83.63 N
£ 1.7292 - £ 1.8851 Request the lead time here
7.56 N
63.5 mm
Carbon Steel
83.63 N
£ 1.8284 - £ 1.9844 Request the lead time here
7.56 N
101.6 mm
Carbon Steel
83.63 N
£ 2.4663 - £ 2.6789 Request the lead time here
12.32 N
57.2 mm
Carbon Steel
137.09 N
£ 2.6647 - £ 2.8915 Request the lead time here
12.32 N
88.9 mm
Carbon Steel
137.09 N
£ 2.4946 - £ 2.7214 Request the lead time here
27.89 N
50.8 mm
Carbon Steel
309.98 N
£ 2.6364 - £ 2.849 Request the lead time here
27.89 N
76.2 mm
Carbon Steel
309.98 N
£ 2.9057 - £ 3.1608 Request the lead time here
27.89 N
127.0 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
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
  • of 10
Extension Spring 10.6 mm 0.89 Nmm Carbon Steel

10418970

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

10439326

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

10439333

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

10439340

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

10234532

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
Extension Spring 12.7 mm 0.21 Nmm Carbon Steel

10439401

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
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.11 Nmm Carbon Steel

10439432

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
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.05 Nmm Carbon Steel

10335147


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
    114.3 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 4.47 Nmm Carbon Steel

10439487

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
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 1.82 Nmm Carbon Steel

10234549

Price Range
£ 1.8851 - £ 1.7292

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.96 Nmm Carbon Steel

10439548

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
    101.6 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 4.27 Nmm Carbon Steel

10439579

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
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 1.77 Nmm Carbon Steel

10413654

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
    88.9 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 26.46 Nmm Carbon Steel

10439593

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
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 11.47 Nmm Carbon Steel

10439630

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
    76.2 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 5.29 Nmm Carbon Steel

10632932

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

10234495

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 0.60 Nmm Carbon Steel

10414798

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
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 9.91 Nmm Carbon Steel

10632918

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

10646021

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