Light Duty (Green) ISO Die Springs - Size, Deflection, and Load Chart

  For Optimum Life For Long Life Max. Operating Def. Max.
Deflection*
Hole
(A)
Rod
(B)
Free
Length
(C)
Part
Number
Load @
1 mM Def.
(N)
Load
(N)
Deflection
(25% of
Length)
Load
(N)
Deflection
(30% of
Length)
Load
(N)
Deflection
(35% of
Length)
10 5 25
32
38
44
51
64
76
305
ISO110025
ISO110032
ISO110038
ISO110044
ISO110051
ISO110064
ISO110076
ISO110305
10.0
8.5
6.8
6.0
5.0
4.3
3.2
1.1
62.5
68.0
64.6
66.0
63.8
68.8
60.8
83.9
6.3
8.0
9.5
11.0
12.8
16.0
19.0
76.3
75.0
81.6
77.5
79.2
76.5
82.6
73.0
100.7
7.5
9.6
11.4
13.2
15.3
19.2
22.8
91.5
87.5
95.2
90.4
92.4
89.3
96.3
85.1
117.4
8.8
11.2
13.3
15.4
17.9
22.4
26.6
106.8
10.3
13.1
15.6
18.0
20.9
26.0
31.2
125.0
12.5 6.3 25
32
38
44
51
64
76
89
305
ISO112025
ISO112032
ISO112038
ISO112044
ISO112051
ISO112064
ISO112076
ISO112089
ISO112305
17.9
16.4
13.6
12.1
11.4
9.3
7.1
5.4
1.4
111.9
131.2
129.2
133.1
145.4
148.8
134.9
120.2
106.8
6.3
8.0
9.5
11.0
12.8
16.0
19.0
22.3
76.3
134.3
157.4
155.0
159.7
174.4
178.6
161.9
144.2
128.1
7.5
9.6
11.4
13.2
15.3
19.2
22.8
26.7
91.5
156.6
183.7
180.9
186.3
203.5
208.3
188.9
168.2
149.5
8.8
11.2
13.3
15.4
17.9
22.4
26.6
31.2
106.8
10.3
13.1
15.6
18.0
20.9
26.3
31.2
36.5
125.0
16 8 25
32
38
44
51
64
76
89
102
305
ISO116025
ISO116032
ISO116038
ISO116044
ISO116051
ISO116064
ISO116076
ISO116089
ISO116102
ISO116305
23.4
22.9
19.3
17.1
15.7
10.7
10.0
8.6
7.8
2.5
146.3
183.2
183.4
188.1
200.2
171.2
190.0
191.4
198.9
190.6
6.3
8.0
9.5
11.0
12.8
16.0
19.0
22.3
25.5
76.3
175.5
219.8
220.0
225.7
240.2
205.4
228.0
229.6
238.7
228.8
7.5
9.6
11.4
13.2
15.3
19.2
22.8
26.7
30.6
91.5
204.8
256.5
256.7
263.3
280.2
239.7
266.0
267.9
278.5
266.9
8.8
11.2
13.3
15.4
17.9
22.4
26.6
31.2
35.7
106.8
10.3
13.1
15.6
18.0
20.9
26.3
31.2
36.5
41.8
125.0
20 10 25
32
38
44
51
64
76
89
102
115
127
139
152
305
ISO120025
ISO120032
ISO120038
ISO120044
ISO120051
ISO120064
ISO120076
ISO120089
ISO120102
ISO120115
ISO120127
ISO120139
ISO120152
ISO120305
55.8
45.0
33.3
30.0
24.5
20.0
16.0
14.0
12.0
10.9
9.5
8.4
7.5
4.0
348.8
360.0
316.4
330.0
312.4
320.0
304.0
311.5
306.0
313.4
301.6
291.9
285.0
305.0
6.3
8.0
9.5
11.0
12.8
16.0
19.0
22.3
25.5
28.8
31.8
34.8
38.0
76.3
418.5
432.0
379.6
396.0
374.9
384.0
364.8
373.8
367.2
376.1
362.0
350.3
342.0
366.0
7.5
9.6
11.4
13.2
15.3
19.2
22.8
26.7
30.6
34.5
38.1
41.7
45.6
91.5
488.3
504.0
442.9
462.0
437.3
448.0
425.6
436.1
428.4
438.7
422.3
408.7
399.0
427.0
8.8
11.2
13.3
15.4
17.9
22.4
26.6
31.2
35.7
40.3
44.5
48.7
53.2
106.8
10.2
12.5
15.0
18.0
20.0
25.0
30.0
35.0
41.0
46.0
51.0
56.0
61.0
122.0
25 12.5 25
32
38
44
51
64
76
89
102
115
127
139
152
178
203
305
ISO125025
ISO125032
ISO125038
ISO125044
ISO125051
ISO125064
ISO125076
ISO125089
ISO125102
ISO125115
ISO125127
ISO125139
ISO125152
ISO125178
ISO125203
ISO125305
100.0
80.3
62.0
52.9
44.0
35.2
28.0
24.0
21.1
18.7
16.7
15.3
14.0
12.5
10.4
7.0
625.0
642.4
589.0
581.9
561.0
563.2
532.0
534.0
538.1
537.6
530.2
531.7
532.0
556.3
527.8
533.8
6.3
8.0
9.5
11.0
12.8
16.0
19.0
22.3
25.5
28.8
31.8
34.8
38.0
44.5
50.8
76.3
750.0
770.9
706.8
698.3
673.2
675.8
638.4
640.8
645.7
645.2
636.3
638.0
638.4
667.5
633.4
640.5
7.5
9.6
11.4
13.2
15.3
19.2
22.8
26.7
30.6
34.5
38.1
41.7
45.6
53.4
60.9
91.5
875.0
899.4
824.6
814.7
785.4
788.5
744.8
747.6
753.3
752.7
742.3
744.3
744.8
778.8
738.9
747.3
8.8
11.2
13.3
15.4
17.9
22.4
26.6
31.2
35.7
40.3
44.5
48.7
53.2
62.3
71.1
106.8
10.2
12.5
15.0
18.0
20.0
25.0
30.0
35.0
41.0
46.0
51.0
56.0
61.0
71.0
81.0
122.0
32 16 38
44
51
64
76
89
102
115
127
139
152
178
203
254
305
ISO132038
ISO132044
ISO132051
ISO132064
ISO132076
ISO132089
ISO132102
ISO132115
ISO132127
ISO132139
ISO132152
ISO132178
ISO132203
ISO132254
ISO132305
94.0
79.5
67.0
53.0
44.0
37.2
32.0
29.0
25.0
23.0
21.5
18.2
15.8
12.5
10.3
893.0
874.5
854.3
848.0
836.0
827.7
816.0
833.8
793.8
799.3
817.0
809.9
801.9
793.8
785.4
9.5
11.0
12.8
16.0
19.0
22.3
25.5
28.8
31.8
34.8
38.0
44.5
50.8
63.5
76.3
1071.6
1049.4
1025.1
1017.6
1003.2
993.2
979.2
1000.5
952.5
959.1
980.4
971.9
962.2
952.5
942.5
11.4
13.2
15.3
19.2
22.8
26.7
30.6
34.5
38.1
41.7
45.6
53.4
60.9
76.2
91.5
1250.2
1224.3
1196.0
1187.2
1170.4
1158.8
1142.4
1167.3
1111.3
1119.0
1143.8
1133.9
1122.6
1111.3
1099.5
13.3
15.4
17.9
22.4
26.6
31.2
35.7
40.3
44.5
48.7
53.2
62.3
71.1
88.9
106.8
15.0
18.0
20.0
25.0
30.0
35.0
41.0
46.0
51.0
56.0
61.0
71.0
81.0
102.0
122.0
40 20 51
64
76
89
102
115
127
139
152
178
203
254
305
ISO140051
ISO140064
ISO140076
ISO140089
ISO140102
ISO140115
ISO140127
ISO140139
ISO140152
ISO140178
ISO140203
ISO140254
ISO140305
92.0
73.0
63.0
51.0
43.0
39.6
37.0
32.0
28.0
25.2
22.7
17.0
14.8
1173.0
1168.0
1197.0
1134.8
1096.5
1138.5
1174.8
1112.0
1064.0
1121.4
1152.0
1079.5
1128.5
12.8
16.0
19.0
22.3
25.5
28.8
31.8
34.8
38.0
44.5
50.8
63.5
76.3
1407.6
1401.6
1436.4
1361.7
1315.8
1366.2
1409.7
1334.4
1276.8
1345.7
1382.4
1295.4
1354.2
15.3
19.2
22.8
26.7
30.6
34.5
38.1
41.7
45.6
53.4
60.9
76.2
91.5
1642.2
1635.2
1675.8
1588.7
1535.1
1593.9
1644.7
1556.8
1489.6
1570.0
1612.8
1511.3
1579.9
17.9
22.4
26.6
31.2
35.7
40.3
44.5
48.7
53.2
62.3
71.1
88.9
106.8
20.0
25.0
30.0
35.0
41.0
46.0
51.0
56.0
61.0
71.0
81.0
102.0
122.0
50 25 64
76
89
102
115
127
139
152
178
203
254
305
ISO150064
ISO150076
ISO150089
ISO150102
ISO150115
ISO150127
ISO150139
ISO150152
ISO150178
ISO150203
ISO150254
ISO150305
156.0
125.0
109.0
94.0
81.0
71.0
66.5
60.0
52.0
44.0
35.0
28.5
2496.0
2375.0
2425.3
2397.0
2328.8
2254.3
2310.9
2280.0
2314.0
2233.0
2222.5
2173.1
16.0
19.0
22.3
25.5
28.8
31.8
34.8
38.0
44.5
50.8
63.5
76.3
2995.2
2850.0
2910.3
2876.4
2794.5
2705.1
2773.1
2736.0
2776.8
2679.6
2667.0
2607.8
19.2
22.8
26.7
30.6
34.5
38.1
41.7
45.6
53.4
60.9
76.2
91.5
3494.4
3325.0
3395.4
3355.8
3260.3
3156.0
3235.2
3192.0
3239.6
3126.2
3111.5
3042.4
22.4
26.6
31.2
35.7
40.3
44.5
48.7
53.2
62.3
71.1
88.9
106.8
25.0
30.0
35.0
41.0
46.0
51.0
56.0
61.0
71.0
81.0
102.0
122.0
63 38 76
89
102
115
127
152
178
203
254
305
ISO163076
ISO163089
ISO163102
ISO163115
ISO163127
ISO163152
ISO163178
ISO163203
ISO163254
ISO163305
189.0
158.0
131.0
116.0
103.0
84.3
71.5
61.7
47.0
38.2
3591.0
3515.5
3340.5
3335.0
3270.3
3203.4
3181.8
3131.3
2984.5
2912.8
19.0
22.3
25.5
28.8
31.8
38.0
44.5
50.8
63.5
76.3
4309.2
4218.6
4008.6
4002.0
3924.3
3844.1
3818.1
3757.5
3581.4
3495.3
22.8
26.7
30.6
34.5
38.1
45.6
53.4
60.9
76.2
91.5
5027.4
4921.7
4676.7
4669.0
4578.4
4484.8
4454.5
4383.8
4178.3
4077.9
26.6
31.2
35.7
40.3
44.5
53.2
62.3
71.1
88.9
106.8
30.0
35.0
41.0
46.0
51.0
61.0
71.0
81.0
102.0
122.0
Hole
(A)
Rod
(B)
Free
Length
(C)
Part
Number
Load @
1 mM Def.
(N)
Load
(N)
Deflection
(25% of
Length)
Load
(N)
Deflection
(30% of
Length)
Load
(N)
Deflection
(35% of
Length)
Max.
Deflection*
  For Optimum Life For Long Life Max. Operating Def.
* Theoretical limit. Not intended for operational use.