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Extension Spring

Extension Springs

Extension springs absorb and store energy as well as create a resistance to a pulling force. Extension Springs are attached at both ends to other components. When these components move apart, the extension spring will pull components together again. Learn more about Extension Springs and How to Measure an Extension Spring.

Results 5399 Springs
EI 013B 06 M
0.239
0.094
2.39
0.033
0.013
0.33
567
0.567
1.25
5.56
268
26.8
0.268
0.0268
1.5
2.63
0.263
4.128
1.625
41.28
59
0.059
0.13
0.578
2.223
0.875
22.23
MW
EI 013B 05 M
0.239
0.094
2.39
0.033
0.013
0.33
567
0.567
1.25
5.56
321
32.1
0.321
0.0321
1.8
3.15
0.315
3.48
1.37
34.8
59
0.059
0.13
0.578
1.905
0.75
19.05
MW
EI 013B 04 S
0.239
0.094
2.39
0.033
0.013
0.33
472.3
0.4723
1.0412
4.631
336
33.6
0.336
0.0336
1.88
3.29
0.329
2.858
1.125
28.58
49.1
0.0491
0.1082
0.481
1.588
0.625
15.88
SS
EI 013B 04 M
0.239
0.094
2.39
0.033
0.013
0.33
567
0.567
1.25
5.56
404
40.4
0.404
0.0404
2.26
3.96
0.396
2.858
1.125
28.58
59
0.059
0.13
0.578
1.588
0.625
15.88
MW
EI 013B 03 S
0.239
0.094
2.39
0.033
0.013
0.33
472.3
0.4723
1.0412
4.631
461
46.1
0.461
0.0461
2.58
4.52
0.452
2.184
0.86
21.84
49.1
0.0491
0.1082
0.481
1.27
0.5
12.7
SS
EI 013B 03 M
0.239
0.094
2.39
0.033
0.013
0.33
567
0.567
1.25
5.56
554
55.4
0.554
0.0554
3.1
5.43
0.543
2.184
0.86
21.84
59
0.059
0.13
0.578
1.27
0.5
12.7
MW
EI 012B 04 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
223
22.3
0.223
0.0223
1.25
2.19
0.219
3.112
1.225
31.12
37.8
0.0378
0.0833
0.371
1.588
0.625
15.88
SS
EI 013B 01 S
0.239
0.094
2.39
0.033
0.013
0.33
472.3
0.4723
1.0412
4.631
714
71.4
0.714
0.0714
4
7.01
0.701
1.537
0.605
15.37
49.1
0.0491
0.1082
0.481
0.953
0.375
9.53
SS
EI 013B 01 M
0.239
0.094
2.39
0.033
0.013
0.33
567
0.567
1.25
5.56
857
85.7
0.857
0.0857
4.8
8.41
0.841
1.537
0.605
15.37
59
0.059
0.13
0.578
0.953
0.375
9.53
MW
EI 012B 07 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
121
12.1
0.121
0.0121
0.68
1.19
0.119
5.334
2.1
53.34
37.8
0.0378
0.0833
0.371
2.54
1
25.4
SS
EI 012B 07 M
0.239
0.094
2.39
0.03
0.012
0.3
453.6
0.4536
1
4.448
146
14.6
0.146
0.0146
0.82
1.44
0.144
5.334
2.1
53.34
45.4
0.0454
0.1
0.445
2.54
1
25.4
MW
EI 012B 06 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
143
14.3
0.143
0.0143
0.8
1.4
0.14
4.61
1.815
46.1
37.8
0.0378
0.0833
0.371
2.223
0.875
22.23
SS
EI 012B 06 M
0.239
0.094
2.39
0.03
0.012
0.3
453.6
0.4536
1
4.448
171
17.1
0.171
0.0171
0.96
1.68
0.168
4.61
1.815
46.1
45.4
0.0454
0.1
0.445
2.223
0.875
22.23
MW
EI 012B 05 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
179
17.9
0.179
0.0179
1
1.75
0.175
3.81
1.5
38.1
37.8
0.0378
0.0833
0.371
1.905
0.75
19.05
SS
EI 012B 05 M
0.239
0.094
2.39
0.03
0.012
0.3
453.6
0.4536
1
4.448
214
21.4
0.214
0.0214
1.2
2.1
0.21
3.81
1.5
38.1
45.4
0.0454
0.1
0.445
1.905
0.75
19.05
MW
EI 012B 02 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
357
35.7
0.357
0.0357
2
3.5
0.35
2.078
0.818
20.78
37.8
0.0378
0.0833
0.371
1.113
0.438
11.13
SS
EI 013B 02 S
0.239
0.094
2.39
0.033
0.013
0.33
472.3
0.4723
1.0412
4.631
550
55
0.55
0.055
3.08
5.39
0.539
1.875
0.738
18.75
49.1
0.0491
0.1082
0.481
1.113
0.438
11.13
SS
EI 012B 01 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
477
47.7
0.477
0.0477
2.67
4.68
0.468
1.664
0.655
16.64
37.8
0.0378
0.0833
0.371
0.953
0.375
9.53
SS
EI 012B 02 M
0.239
0.094
2.39
0.03
0.012
0.3
453.6
0.4536
1
4.448
429
42.9
0.429
0.0429
2.4
4.2
0.42
2.078
0.818
20.78
45.4
0.0454
0.1
0.445
1.113
0.438
11.13
MW
EI 012B 03 S
0.239
0.094
2.39
0.03
0.012
0.3
377.8
0.3778
0.833
3.705
298
29.8
0.298
0.0298
1.67
2.92
0.292
2.413
0.95
24.13
37.8
0.0378
0.0833
0.371
1.27
0.5
12.7
SS

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FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

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at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world