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HEFTY Die Springs

HEFTY™ Die Springs — Heavy-Duty Stock, Ready to Ship Springs

Lee Spring's HEFTY™ Die Springs are heavy-duty round wire compression springs engineered for high-stress, high-load applications including stamping and forming dies, industrial presses, and heavy machinery. Available in five force classes — Medium Duty, Heavy Duty, Extra Heavy Duty, and beyond — and stocked in both music wire and chrome-silicon steel for elevated temperature resistance. All HEFTY™ Die Springs are held in active inventory for immediate shipment, with free standard ground shipping options and a Certificate of Compliance included on every order. Learn more about HEFTY™ Die Spring and How to Measure a Compression Spring.

Engineering Notes & Tolerances
Spring Materials, Specifications & Data
Spring Coatings and Surface Treatments
Try our Spring Calculator

Results 490 Springs
Material
LHL 500B 04
1.168
0.46
11.68
1.27
0.5
12.7
0.714
0.281
7.14
4.445
1.75
44.45
18572.3
1857.23
18.572
1.8572
104
182.14
18.214
2.565
1.01
25.65
0.203
0.08
2.03
MW
LHL 500B 11
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
20.32
8
203.2
3928.8
392.88
3.929
0.3929
22
38.53
3.853
11.532
4.54
115.32
0.203
0.08
2.03
MW
LHL 500B 05
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
5.08
2
50.8
15536.5
1553.65
15.536
1.5536
87
152.37
15.237
2.972
1.17
29.72
0.203
0.08
2.03
MW
LHL 500B 06
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
6.35
2.5
63.5
12143.4
1214.34
12.143
1.2143
68
119.09
11.909
3.683
1.45
36.83
0.203
0.08
2.03
MW
LHL 500B 07
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
7.62
3
76.2
10179.1
1017.91
10.179
1.0179
57
99.83
9.983
4.293
1.69
42.93
0.203
0.08
2.03
MW
LHL 500B 08
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
8.89
3.5
88.9
8393.3
839.33
8.393
0.8393
47
82.31
8.231
5.131
2.02
51.31
0.203
0.08
2.03
MW
LHL 500B 09
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
15.24
6
152.4
4821.7
482.17
4.822
0.4822
27
47.29
4.729
8.636
3.4
86.36
0.203
0.08
2.03
MW
LHL 500B 10
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
17.78
7
177.8
4464.5
446.45
4.465
0.4465
25
43.78
4.378
10.414
4.1
104.14
0.203
0.08
2.03
MW
LHL 500B 01
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
2.54
1
25.4
30001.4
3000.14
30.001
3.0001
168
294.22
29.422
1.549
0.61
15.49
0.198
0.078
1.98
MW
LHL 500B 8A
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
10.16
4
101.6
7678.9
767.89
7.679
0.7679
43
75.31
7.531
6.045
2.38
60.45
0.203
0.08
2.03
MW
LHL 500B 8B
1.171
0.461
11.71
1.27
0.5
12.7
0.714
0.281
7.14
12.7
5
127
6071.7
607.17
6.072
0.6072
34
59.55
5.955
7.544
2.97
75.44
0.203
0.08
2.03
MW
LHL 500A 03
1.181
0.465
11.81
1.27
0.5
12.7
0.714
0.281
7.14
3.81
1.5
38.1
13572.1
1357.21
13.572
1.3572
76
133.10
13.31
1.905
0.75
19.05
0.183
0.072
1.83
MW
LHL 500B 02
1.184
0.466
11.84
1.27
0.5
12.7
0.714
0.281
7.14
3.175
1.25
31.75
24822.6
2482.26
24.823
2.4823
139
243.43
24.343
1.956
0.77
19.56
0.203
0.08
2.03
MW
LHL 500A 12
1.184
0.466
11.84
1.27
0.5
12.7
0.714
0.281
7.14
19.05
7.5
190.5
1964.4
196.44
1.964
0.1964
11
19.26
1.926
9.347
3.68
93.47
0.178
0.07
1.78
MW
LHL 500A 08
1.184
0.466
11.84
1.27
0.5
12.7
0.714
0.281
7.14
8.89
3.5
88.9
5357.4
535.74
5.357
0.5357
30
52.54
5.254
4.242
1.67
42.42
0.183
0.072
1.83
MW
LHL 500A 06
1.186
0.467
11.86
1.27
0.5
12.7
0.714
0.281
7.14
6.35
2.5
63.5
9286.2
928.62
9.286
0.9286
52
91.07
9.107
3.15
1.24
31.5
0.191
0.075
1.91
MW
LHL 500A 12A
1.194
0.47
11.94
1.27
0.5
12.7
0.714
0.281
7.14
20.32
8
203.2
1785.8
178.58
1.786
0.1786
10
17.51
1.751
9.398
3.7
93.98
0.17
0.067
1.7
MW
LHL 500A 02
1.196
0.471
11.96
1.27
0.5
12.7
0.714
0.281
7.14
3.175
1.25
31.75
16429.4
1642.94
16.429
1.6429
92
161.12
16.112
1.575
0.62
15.75
0.183
0.072
1.83
MW
LHL 500A 05
1.201
0.473
12.01
1.27
0.5
12.7
0.714
0.281
7.14
5.08
2
50.8
11429.1
1142.91
11.429
1.1429
64
112.09
11.209
2.54
1
25.4
0.191
0.075
1.91
MW
LHL 500A 10
1.201
0.473
12.01
1.27
0.5
12.7
0.714
0.281
7.14
13.97
5.5
139.7
3750.2
375.02
3.75
0.375
21
36.78
3.678
7.62
3
76.2
0.191
0.075
1.91
MW

Reference

Click on the thumbnail to enlarge image.
Compression Spring
Compression Spring
Hole Diameter
Hole Diameter
Max Rod Diameter
Max Rod Diameter
Solid Height
Solid Height
Free Length
Free Length
Outside Diameter
Outside Diameter
Inside Diameter
Inside Diameter
Wire Diameter
Wire Diameter
Load Reference
Load Reference
HEFTY™ Die Springs
HEFTY™ Die Springs
LeeP™ Plastic Composite Springs
LeeP™ Plastic Composite Springs

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LeeSpring

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