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Spring Steel Extension Springs
Product Diagram
Product Ranges
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Spring Steel
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Spring Steel
Spring Steel Compression Srpings
Spring Steel Extension Srpings
Stainless Steel
Stainless Steel Compression Springs
Stainless Steel Extension Springs
Spring Steel Extension Springs
Product Ranges
Part No.
O.D.
(Inch)
Length
(Inch)
Wire
DIA.
(Inch)
Max.
DEFL.
(Inch)
Max.
Safe
Load
(Lbs.)
O.D.
(mm)
Length
(mm)
Wire
DIA.
(mm)
Max.
DEFL.
(mm)
Max.
Safe
Load
(N)
C-1
0.125
1.500
0.015
2.080
1.45
3.175
38.100
0.381
52.832
6.450
C-3
0.125
1.500
0.018
1.240
2.44
3.175
38.100
0.457
31.496
10.854
C-5
0.156
1.500
0.020
1.660
2.69
3.962
38.100
0.508
42.164
11.966
C-7
0.188
1.500
0.018
3.380
1.68
4.775
38.100
0.457
85.852
7.473
C-9
0.188
1.500
0.020
2.580
2.27
4.775
38.100
0.508
65.532
10.097
C-11
0.188
1.500
0.025
1.410
4.26
4.775
38.100
0.635
35.814
18.949
C-13
0.219
1.500
0.023
2.640
3.00
5.563
38.100
0.584
67.056
13.345
C-15
0.250
1.500
0.016
8.370
0.90
6.350
38.100
0.406
212.598
4.003
C-17
0.250
1.500
0.020
4.870
1.72
6.350
38.100
0.508
123.698
7.651
C-19
0.250
1.500
0.035
1.110
8.46
6.350
38.100
0.889
28.194
37.632
C-21
0.250
1.500
0.023
3.550
2.64
6.350
38.100
0.584
90.170
11.743
C-23
0.281
1.500
0.025
3.590
2.92
7.137
38.100
0.635
91.186
12.989
C-25
0.312
1.500
0.020
7.620
1.39
7.925
38.100
0.508
193.548
6.183
C-27
0.344
1.500
0.025
5.330
2.40
8.738
38.100
0.635
135.382
10.676
C-29
0.344
1.500
0.028
4.030
3.33
8.738
38.100
0.711
102.362
14.813
C-31
0.438
1.500
0.028
6.180
2.64
11.125
38.100
0.711
156.972
11.743
C-33
0.438
1.500
0.047
1.710
11.50
11.125
38.100
1.194
43.434
51.154
C-51
0.125
1.875
0.014
3.170
1.19
3.175
47.625
0.356
80.518
5.293
C-53
0.125
1.875
0.018
1.590
2.44
3.175
47.625
0.457
40.386
10.854
C-55
0.156
1.875
0.020
2.130
2.69
3.962
47.625
0.508
54.102
11.966
C-57
0.188
1.875
0.018
4.400
1.68
4.775
47.625
0.457
111.760
7.473
C-59
0.188
1.875
0.020
3.340
2.27
4.775
47.625
0.508
84.836
10.097
C-61
0.188
1.875
0.025
1.810
4.26
4.775
47.625
0.635
45.974
18.949
C-63
0.219
1.875
0.023
3.460
3.00
5.563
47.625
0.584
87.884
13.345
C-65
0.250
1.875
0.016
11.500
0.90
6.350
47.625
0.406
292.100
4.003
C-67
0.250
1.875
0.020
6.460
1.72
6.350
47.625
0.508
164.084
7.651
C-69
0.250
1.875
0.035
1.470
8.46
6.350
47.625
0.889
37.338
37.632
C-71
0.250
1.875
0.023
4.660
2.64
6.350
47.625
0.584
118.364
11.743
C-73
0.281
1.875
0.025
4.780
2.92
7.137
47.625
0.635
121.412
12.989
C-75
0.313
1.875
0.020
10.300
1.39
7.950
47.625
0.508
261.620
6.183
C-77
0.344
1.875
0.025
7.260
2.40
8.738
47.625
0.635
184.404
10.676
C-79
0.344
1.875
0.028
5.510
3.33
8.738
47.625
0.711
139.954
14.813
C-81
0.438
1.875
0.028
8.790
2.64
11.125
47.625
0.711
223.266
11.743
C-83
0.438
1.875
0.047
2.400
11.50
11.125
47.625
1.194
60.960
51.154
C-101
0.125
2.500
0.014
4.330
1.19
3.175
63.500
0.356
109.982
5.293
C-103
0.125
2.500
0.018
2.170
2.44
3.175
63.500
0.457
55.118
10.854
C-105
0.156
2.500
0.020
2.920
2.69
3.962
63.500
0.508
74.168
11.966
C-107
0.188
2.500
0.018
6.090
1.68
4.775
63.500
0.457
154.686
7.473
C-109
0.188
2.500
0.020
4.630
2.27
4.775
63.500
0.508
117.602
10.097
C-111
0.188
2.500
0.025
2.520
4.26
4.775
63.500
0.635
64.008
18.949
C-113
0.219
2.500
0.023
4.800
3.00
5.563
63.500
0.584
121.920
13.345
C-115
0.250
2.500
0.016
15.500
0.90
6.350
63.500
0.406
393.700
4.003
C-117
0.250
2.500
0.020
9.070
1.72
6.350
63.500
0.508
230.378
7.651
C-119
0.250
2.500
0.035
2.030
8.46
6.350
63.500
0.889
51.562
37.632
C-121
0.250
2.500
0.023
6.560
2.64
6.350
63.500
0.584
166.624
11.743
C-123
0.281
2.500
0.025
6.760
2.92
7.137
63.500
0.635
171.704
12.989
C-125
0.313
2.500
0.020
14.900
1.39
7.950
63.500
0.508
378.460
6.183
C-127
0.344
2.500
0.025
10.400
2.40
8.738
63.500
0.635
264.160
10.676
C-129
0.344
2.500
0.028
7.960
3.33
8.738
63.500
0.711
202.184
14.813
C-131
0.438
2.500
0.028
13.200
2.64
11.125
63.500
0.711
335.280
11.743
C-133
0.438
2.500
0.047
3.510
11.50
11.125
63.500
1.194
89.154
51.154
C-135
0.438
2.000
0.062
0.760
18.00
11.125
50.800
1.575
19.304
80.068
C-137
0.500
2.500
0.047
3.150
7.47
12.700
63.500
1.194
80.010
33.228
C-139
0.438
3.500
0.054
2.410
12.10
11.125
88.900
1.372
61.214
53.823
C-141
0.625
2.500
0.072
0.920
19.10
15.875
63.500
1.829
23.368
84.961
C-143
0.563
3.000
0.054
3.640
9.55
14.300
76.200
1.372
92.456
42.480
C-151
0.313
1.500
0.047
0.460
11.53
7.950
38.100
1.194
11.684
51.288
C-153
0.250
2.313
0.032
2.650
2.95
6.350
58.750
0.813
67.310
13.122
C-155
0.313
3.000
0.028
5.370
2.85
7.950
76.200
0.711
136.398
12.677
C-157
0.250
3.250
0.025
4.100
2.64
6.350
82.550
0.635
104.140
11.743
C-159
0.281
3.250
0.028
4.570
3.15
7.137
82.550
0.711
116.078
14.012
C-161
0.438
2.750
0.034
6.080
3.57
11.125
69.850
0.864
154.432
15.880
C-163
0.438
3.500
0.047
3.500
8.47
11.125
88.900
1.194
88.900
37.676
C-165
0.500
1.625
0.080
0.360
31.30
12.700
41.275
2.032
9.144
139.229
C-167
0.500
1.938
0.080
0.463
31.30
12.700
49.225
2.032
11.760
139.229
C-169
0.500
2.188
0.080
0.560
31.30
12.700
55.575
2.032
14.224
139.229
C-171
0.750
2.000
0.105
0.510
46.20
19.050
50.800
2.667
12.954
205.507
C-173
0.750
2.250
0.105
0.640
46.20
19.050
57.150
2.667
16.256
205.507
C-175
0.750
2.438
0.105
0.740
46.20
19.050
61.925
2.667
18.796
205.507
C-177
0.750
2.625
0.105
0.820
46.20
19.050
66.675
2.667
20.828
205.507
C-179
0.563
2.875
0.072
1.480
21.10
14.300
73.025
1.829
37.592
93.857
C-181
0.625
3.250
0.072
2.010
19.10
15.875
82.550
1.829
51.054
84.961
C-183
0.563
4.000
0.047
7.420
6.70
14.300
101.600
1.194
188.468
29.803
C-185
0.750
3.500
0.062
5.600
10.90
19.050
88.900
1.575
142.240
48.485
C-187
0.750
3.875
0.105
0.950
46.20
19.050
98.425
2.667
24.130
205.507
C-189
0.750
3.125
0.105
1.080
46.20
19.050
79.375
2.667
27.432
205.507
C-191
0.750
3.750
0.105
1.390
46.20
19.050
95.250
2.667
35.306
205.507
C-193
0.375
4.000
0.034
6.660
4.13
9.525
101.600
0.864
169.164
18.371
C-201
0.188
5.000
0.023
4.710
2.51
4.775
127.000
0.584
119.634
11.165
C-203
0.250
5.000
0.031
3.980
4.66
6.350
127.000
0.787
101.092
20.729
C-205
0.250
5.000
0.034
3.000
6.04
6.350
127.000
0.864
76.200
26.867
C-207
0.344
4.500
0.025
14.100
1.95
8.738
114.300
0.635
358.140
8.674
C-209
0.375
4.500
0.028
12.900
2.39
9.525
114.300
0.711
327.660
10.631
C-211
0.375
4.500
0.031
9.970
3.18
9.525
114.300
0.787
253.238
14.145
C-213
0.438
4.500
0.028
18.300
2.06
11.125
114.300
0.711
464.820
9.163
C-215
0.375
3.750
0.041
3.880
6.52
9.525
95.250
1.041
98.552
29.002
C-217
0.375
4.500
0.047
3.100
9.77
9.525
114.300
1.194
78.740
43.459
C-219
0.469
4.500
0.041
8.330
5.28
11.913
114.300
1.041
211.582
23.486
C-221
0.500
4.500
0.062
2.930
15.90
12.700
114.300
1.575
74.422
70.726
C-223
0.500
5.000
0.072
2.150
23.50
12.700
127.000
1.829
54.610
104.533
C-225
0.563
5.000
0.072
2.940
21.10
14.300
127.000
1.829
74.676
93.857
C-227
0.688
4.750
0.091
2.260
33.90
17.475
120.650
2.311
57.404
150.794
C-229
0.688
5.000
0.072
4.920
17.50
17.475
127.000
1.829
124.968
77.844
C-231
0.563
6.000
0.072
3.610
21.10
14.300
152.400
1.829
91.694
93.857
C-233
0.250
6.000
0.034
3.640
6.04
6.350
152.400
0.864
92.456
26.867
C-235
0.313
6.000
0.028
11.500
2.85
7.950
152.400
0.711
292.100
12.677
C-237
0.281
6.000
0.034
5.070
5.42
7.137
152.400
0.864
128.778
24.109
C-239
0.375
6.500
0.047
4.670
9.77
9.525
165.100
1.194
118.618
43.459
C-241
0.375
6.000
0.041
6.570
6.52
9.525
152.400
1.041
166.878
29.002
C-243
0.625
6.500
0.054
11.900
8.64
15.875
165.100
1.372
302.260
38.432
C-251
1.125
16.000
0.105
21.600
31.70
28.575
406.400
2.667
548.640
141.008
C-253
0.563
16.500
0.054
25.200
9.50
14.300
419.100
1.372
640.080
42.258
C-255
0.875
3.500
0.091
2.700
27.10
22.225
88.900
2.311
68.580
120.546
C-257
0.813
4.500
0.091
3.200
29.00
20.650
114.300
2.311
81.280
128.998
C-259
0.813
4.000
0.120
0.730
61.70
20.650
101.600
3.048
18.542
274.454
C-261
1.063
5.500
0.120
3.620
48.20
27.000
139.700
3.048
91.948
214.403
C-263
0.875
6.000
0.091
5.560
27.10
22.225
152.400
2.311
141.224
120.546
C-265
1.063
7.000
0.105
7.190
33.40
27.000
177.800
2.667
182.626
148.570
C-267
1.250
6.500
0.162
2.720
93.70
31.750
165.100
4.115
69.088
416.796
C-269
1.000
7.000
0.135
0.293
69.90
25.400
177.800
3.429
74.422
310.929
C-271
1.063
8.500
0.080
19.300
15.50
27.000
215.900
2.032
490.220
68.947
C-273
1.125
8.500
0.148
3.870
81.10
28.575
215.900
3.759
98.298
360.749
C-275
1.125
7.500
0.091
13.200
21.30
28.575
190.500
2.311
335.280
94.747
C-277
0.750
6.500
0.091
4.200
31.30
19.050
165.100
2.311
106.680
139.229
C-279
0.625
6.500
0.080
3.800
25.60
15.875
165.100
2.032
96.520
113.874
C-281
0.375
5.500
0.062
1.600
20.60
9.525
139.700
1.575
40.640
91.633
C-283
0.250
6.000
0.028
6.540
3.52
6.350
152.400
0.711
166.116
15.658
C-285
0.375
5.000
0.034
8.520
4.13
9.525
127.000
0.864
216.408
18.371
C-287
0.312
5.000
0.031
8.780
3.78
7.925
127.000
0.787
146.812
16.814
C-289
0.312
5.000
0.034
5.440
4.91
7.925
127.000
0.864
138.176
21.841
C-291
0.375
4.500
0.062
1.320
20.60
9.525
114.300
1.575
33.528
91.633
C-293
0.375
6.750
0.062
2.050
20.70
9.525
171.450
1.575
52.070
92.078
C-301
1.500
11.500
0.135
14.900
47.90
38.100
292.100
3.429
378.460
213.069
C-303
1.000
12.000
0.105
11.700
35.40
25.400
304.800
2.667
297.180
157.466
C-305
1.063
12.500
0.105
14.200
33.40
27.000
317.500
2.667
360.680
148.570
C-307
1.063
12.000
0.135
6.490
66.20
27.000
304.800
3.429
164.846
294.471
C-309
0.875
11.750
0.091
12.200
27.10
22.225
298.450
2.311
309.880
120.546
C-311
0.438
10.250
0.041
17.500
5.60
11.125
260.350
1.041
444.500
24.910
C-313
0.500
8.500
0.047
13.300
7.47
12.700
215.900
1.194
337.820
33.228
C-315
0.438
8.500
0.047
9.300
8.47
11.125
215.900
1.194
236.220
37.676
C-317
0.625
8.500
0.091
4.050
36.90
15.875
215.900
2.311
102.870
164.139
C-319
0.563
8.500
0.054
12.400
9.55
14.300
215.900
1.372
314.960
42.480
C-321
0.625
8.500
0.062
10.700
12.90
15.875
215.900
1.575
271.780
57.382
C-323
0.625
8.500
0.080
5.200
25.60
15.875
215.900
2.032
132.080
113.874
C-325
0.875
8.500
0.062
23.900
9.37
22.225
215.900
1.575
607.060
41.680
C-327
0.938
8.500
0.120
4.500
54.10
23.825
215.900
3.048
114.300
240.648
C-329
0.875
8.500
0.105
5.560
40.10
22.225
215.900
2.667
141.224
178.373
C-331
1.000
7.500
0.105
6.830
35.40
25.400
190.500
2.667
173.482
157.466
C-333
0.875
9.000
0.135
2.690
78.90
22.225
228.600
3.429
68.326
350.963
C-335
1.000
8.500
0.080
16.900
16.50
25.400
215.900
2.032
429.260
73.395
C-337
1.000
8.500
0.120
5.380
51.00
25.400
215.900
3.048
136.652
226.858
C-339
1.250
10.000
0.148
6.180
73.70
31.750
254.000
3.759
156.972
327.832
#4001
1.563
7.750
0.227
1.800
300.00
39.700
196.850
5.766
45.720
1334.460
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Last Update : May 14, 2010