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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 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 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 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 011B 06 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
89
8.9
0.089
0.0089
0.5
0.88
0.088
4.46
1.756
44.6
26.4
0.0264
0.0583
0.259
2.223
0.875
22.23
SS 316
EI 011B 07 M
0.239
0.094
2.39
0.028
0.011
0.28
362.9
0.3629
0.8
3.559
92
9.2
0.092
0.0092
0.517
0.91
0.091
6.096
2.4
60.96
31.8
0.0318
0.07
0.311
2.54
1
25.4
MW
EI 011B 07 S
0.239
0.094
2.39
0.028
0.011
0.28
302.3
0.3023
0.6664
2.964
77
7.7
0.077
0.0077
0.43
0.75
0.075
6.096
2.4
60.96
26.4
0.0264
0.0583
0.259
2.54
1
25.4
SS
EI 011B 07 S316
0.239
0.094
2.39
0.028
0.011
0.28
226.3
0.2263
0.499
2.22
77
7.7
0.077
0.0077
0.43
0.75
0.075
5.141
2.024
51.41
26.4
0.0264
0.0583
0.259
2.54
1
25.4
SS 316
EI 010B 03 S
0.239
0.094
2.39
0.025
0.01
0.25
226.7
0.2267
0.4998
2.223
113
11.3
0.113
0.0113
0.63
1.1
0.11
3.099
1.22
30.99
18.9
0.0189
0.0416
0.185
1.27
0.5
12.7
SS
EI 010B 03 M
0.239
0.094
2.39
0.025
0.01
0.25
272.2
0.2722
0.6
2.669
136
13.6
0.136
0.0136
0.76
1.33
0.133
3.099
1.22
30.99
22.7
0.0227
0.05
0.222
1.27
0.5
12.7
MW
EI 010B 02 S316
0.239
0.094
2.39
0.025
0.01
0.25
169.6
0.1696
0.374
1.664
139
13.9
0.139
0.0139
0.78
1.37
0.137
2.195
0.864
21.95
18.9
0.0189
0.0416
0.185
1.113
0.438
11.13
SS 316
EI 010B 02 M
0.239
0.094
2.39
0.025
0.01
0.25
272.2
0.2722
0.6
2.669
168
16.8
0.168
0.0168
0.94
1.65
0.165
2.611
1.028
26.11
22.7
0.0227
0.05
0.222
1.113
0.438
11.13
MW
EI 010B 01 M
0.239
0.094
2.39
0.025
0.01
0.25
272.2
0.2722
0.6
2.669
214
21.4
0.214
0.0214
1.2
2.1
0.21
2.121
0.835
21.21
22.7
0.0227
0.05
0.222
0.953
0.375
9.53
MW
EI 010B 01 S
0.239
0.094
2.39
0.025
0.01
0.25
226.7
0.2267
0.4998
2.223
179
17.9
0.179
0.0179
1
1.75
0.175
2.121
0.835
21.21
18.9
0.0189
0.0416
0.185
0.953
0.375
9.53
SS
EI 010B 01 S316
0.239
0.094
2.39
0.025
0.01
0.25
169.6
0.1696
0.374
1.664
179
17.9
0.179
0.0179
1
1.75
0.175
1.796
0.707
17.96
18.9
0.0189
0.0416
0.185
0.953
0.375
9.53
SS 316
EIM030B 04 S
0.249
0.098
2.49
0.03
0.012
0.3
394.6
0.3946
0.87
3.87
173
17.3
0.173
0.0173
0.968
1.7
0.17
3.835
1.51
38.35
34
0.034
0.075
0.334
1.75
0.689
17.5
SS
EIM030B 06 M
0.249
0.098
2.49
0.03
0.012
0.3
469.9
0.4699
1.036
4.608
149
14.9
0.149
0.0149
0.836
1.46
0.146
5.123
2.017
51.23
40.8
0.0408
0.09
0.4
2.25
0.886
22.5
MW
EIM030B 05 S
0.249
0.098
2.49
0.03
0.012
0.3
394.6
0.3946
0.87
3.87
145
14.5
0.145
0.0145
0.81
1.42
0.142
4.491
1.768
44.91
34
0.034
0.075
0.334
1.999
0.787
19.99
SS
EIM030B 05 M
0.249
0.098
2.49
0.03
0.012
0.3
469.9
0.4699
1.036
4.608
174
17.4
0.174
0.0174
0.973
1.7
0.17
4.47
1.76
44.7
40.8
0.0408
0.09
0.4
1.999
0.787
19.99
MW
EIM030B 03 S
0.249
0.098
2.49
0.03
0.012
0.3
394.6
0.3946
0.87
3.87
215
21.5
0.215
0.0215
1.203
2.11
0.211
3.178
1.251
31.78
34
0.034
0.075
0.334
1.501
0.591
15.01
SS
EIM030B 02 S
0.249
0.098
2.49
0.03
0.012
0.3
394.6
0.3946
0.87
3.87
283
28.3
0.283
0.0283
1.587
2.78
0.278
2.522
0.993
25.22
34
0.034
0.075
0.334
1.25
0.492
12.5
SS

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large selection of springs

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products made to your specification.

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on Stock Springs in the Continental United States

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today.

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on Stock and Custom Springs

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LeeSpring

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