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Extension Spring

Extension Springs — In Stock & Ready to Ship

Lee Spring stocks wide selection of extension springs in standard and instrument series configurations available for immediate shipment. Our in-stock extension spring inventory includes music wire, Type 302 stainless steel, and Type 316 stainless steel options with various end loop configurations. Filter by outside diameter, wire diameter, free length, initial tension, and maximum load to find the exact specification you need easily. All stock extension springs include free standard ground shipping option and a Certificate of Compliance. Learn more about Extension Springs and How to Measure an Extension Spring.

Results 5399 Springs
EI 011B 06 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
89
8.9
0.089
0.0089
0.5
0.88
0.088
5.321
2.095
53.21
26.4
0.0264
0.0583
0.259
2.223
0.875
22.23
SS
EI 010B 03 S316
0.239
0.094
2.39
0.025
0.01
0.25
169.6
0.1696
0.374
1.664
113
11.3
0.113
0.0113
0.63
1.1
0.11
2.609
1.027
26.09
18.9
0.0189
0.0416
0.185
1.27
0.5
12.7
SS 316
EI 011B 06 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
107
10.7
0.107
0.0107
0.6
1.05
0.105
5.321
2.095
53.21
31.8
0.0318
0.07
0.311
2.223
0.875
22.23
MW
EI 011B 05 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
109
10.9
0.109
0.0109
0.61
1.07
0.107
3.739
1.472
37.39
26.4
0.0264
0.0583
0.259
1.905
0.75
19.05
SS 316
EI 011B 05 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
109
10.9
0.109
0.0109
0.61
1.07
0.107
4.445
1.75
44.45
26.4
0.0264
0.0583
0.259
1.905
0.75
19.05
SS
EI 011B 05 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
130
13
0.13
0.013
0.73
1.28
0.128
4.445
1.75
44.45
31.8
0.0318
0.07
0.311
1.905
0.75
19.05
MW
EI 010B 04 M
0.239
0.094
2.39
0.025
0.01
0.25
272.2
0.2722
0.6
2.669
100
10
0.1
0.01
0.56
0.98
0.098
4.077
1.605
40.77
22.7
0.0227
0.05
0.222
1.588
0.625
15.88
MW
EI 010B 04 S
0.239
0.094
2.39
0.025
0.01
0.25
226.7
0.2267
0.4998
2.223
84
8.4
0.084
0.0084
0.47
0.82
0.082
4.077
1.605
40.77
18.9
0.0189
0.0416
0.185
1.588
0.625
15.88
SS
EI 010B 04 S316
0.239
0.094
2.39
0.025
0.01
0.25
169.6
0.1696
0.374
1.664
84
8.4
0.084
0.0084
0.47
0.82
0.082
3.383
1.332
33.83
18.9
0.0189
0.0416
0.185
1.588
0.625
15.88
SS 316
EI 010B 05 M
0.239
0.094
2.39
0.025
0.01
0.25
272.2
0.2722
0.6
2.669
79
7.9
0.079
0.0079
0.44
0.77
0.077
5.08
2
50.8
22.7
0.0227
0.05
0.222
1.905
0.75
19.05
MW
EI 010B 05 S
0.239
0.094
2.39
0.025
0.01
0.25
226.7
0.2267
0.4998
2.223
66
6.6
0.066
0.0066
0.37
0.65
0.065
5.08
2
50.8
18.9
0.0189
0.0416
0.185
1.905
0.75
19.05
SS
EI 011B 03 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
188
18.8
0.188
0.0188
1.05
1.84
0.184
2.743
1.08
27.43
26.4
0.0264
0.0583
0.259
1.27
0.5
12.7
SS
EI 011B 02 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
273
27.3
0.273
0.0273
1.53
2.68
0.268
2.332
0.918
23.32
31.8
0.0318
0.07
0.311
1.113
0.438
11.13
MW
EI 011B 02 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
227
22.7
0.227
0.0227
1.27
2.22
0.222
2.332
0.918
23.32
26.4
0.0264
0.0583
0.259
1.113
0.438
11.13
SS
EI 011B 02 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
227
22.7
0.227
0.0227
1.27
2.22
0.222
1.994
0.785
19.94
26.4
0.0264
0.0583
0.259
1.113
0.438
11.13
SS 316
EI 011B 03 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
225
22.5
0.225
0.0225
1.26
2.21
0.221
2.743
1.08
27.43
31.8
0.0318
0.07
0.311
1.27
0.5
12.7
MW
EI 011B 04 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
138
13.8
0.138
0.0138
0.77
1.35
0.135
3.04
1.197
30.4
26.4
0.0264
0.0583
0.259
1.588
0.625
15.88
SS 316
EI 011B 04 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
166
16.6
0.166
0.0166
0.93
1.63
0.163
3.569
1.405
35.69
31.8
0.0318
0.07
0.311
1.588
0.625
15.88
MW
EI 011B 04 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
138
13.8
0.138
0.0138
0.77
1.35
0.135
3.569
1.405
35.69
26.4
0.0264
0.0583
0.259
1.588
0.625
15.88
SS
EI 011B 01 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
298
29.8
0.298
0.0298
1.67
2.92
0.292
1.621
0.638
16.21
26.4
0.0264
0.0583
0.259
0.953
0.375
9.53
SS 316

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products made to your specification.

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LeeSpring

Lee Spring, 140 58th Street, Brooklyn, NY 11220 | 888-777-4647
Copyright 2020 Lee Spring Company