Medium-Heavy Duty Die (Red) 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		 Box
Qty.		 Load @
0.1 Def.
(lbs)		 Load
(lbs)		 Deflection
(20% of
Length)		 Load
(lbs)		 Deflection
(25% of
Length)		 Load
(lbs)		 Deflection
(30% of
Length)		 Load
(lbs)		 Deflection
(37% of
Length)
3/8 3/16 1
1-1/4
1-1/2
1-3/4
2
2-1/2
3
12 		342-0604
342-0605
342-0606
342-0607
342-0608
342-0610
342-0612
342-0648 		200
200
100
100
100
100
100
50 		9.0
7.3
6.7
5.8
5.0
4.2
3.0
0.9 		18.0
18.3
20.1
20.3
20.0
21.0
18.0
21.6 		0.20
0.25
0.30
0.35
0.40
0.50
0.60
2.40 		22.5
22.8
25.1
25.4
25.0
26.3
22.5
27.0 		0.25
0.31
0.38
0.44
0.50
0.63
0.75
3.00 		27.0
27.4
30.2
30.5
30.0
31.5
27.0
32.4 		0.30
0.38
0.45
0.53
0.60
0.75
0.90
3.60 		33.3
33.8
37.2
37.6
37.0
38.9
33.3
40.0 		0.37
0.46
0.56
0.65
0.74
0.93
1.11
4.44
1/2 9/32 1
1-1/4
1-1/2
1-3/4
2
2-1/2
3
3-1/2
12		 342-0804
342-0805
342-0806
342-0807
342-0808
342-0810
342-0812
342-0814
342-0848		 100
100
100
100
100
50
50
50
50		 16.8
13.0
9.5
8.5
7.5
6.0
5.7
4.0
1.2		 33.6
32.5
28.5
29.8
30.0
30.0
34.2
28.0
28.8		 0.20
0.25
0.30
0.35
0.40
0.50
0.60
0.70
2.40		 42.0
40.6
35.6
37.2
37.5
37.5
42.8
35.0
36.0		 0.25
0.31
0.38
0.44
0.50
0.63
0.75
0.88
3.00		 50.4
48.8
42.8
44.6
45.0
45.0
51.3
42.0
43.2		 0.30
0.38
0.45
0.53
0.60
0.75
0.90
1.05
3.60		 62.2
60.1
52.7
55.0
55.5
55.5
63.3
51.8
53.3		 0.37
0.46
0.56
0.65
0.74
0.93
1.11
1.30
4.44
5/8 11/32 1
1-1/4
1-1/2
1-3/4
2
2-1/2
3
3-1/2
4
12 		342-1004
342-1005
342-1006
342-1007
342-1008
342-1010
342-1012
342-1014
342-1016
342-1048 		100
100
50
50
50
50
50
50
50
50 		30.0
21.5
19.0
16.8
14.8
11.5
10.0
8.5
7.6
2.7 		60.0
53.8
57.0
58.8
59.2
57.5
60.0
59.5
60.8
64.8 		0.20
0.25
0.30
0.35
0.40
0.50
0.60
0.70
0.80
2.40 		75.0
67.2
71.3
73.5
74.0
71.9
75.0
74.4
76.0
81.0 		0.25
0.31
0.38
0.44
0.50
0.63
0.75
0.88
1.00
3.00 		90.0
80.6
85.5
88.2
88.8
86.3
90.0
89.3
91.2
97.2 		0.30
0.38
0.45
0.53
0.60
0.75
0.90
1.05
1.20
3.60 		111.0
99.4
105.5
108.8
109.5
106.4
111.0
110.1
112.5
119.9 		0.37
0.46
0.56
0.65
0.74
0.93
1.11
1.30
1.48
4.44
3/4 3/8 1
1-1/4
1-1/2
1-3/4
2
2-1/2
3
3-1/2
4
4-1/2
5
5-1/2
6
12 		342-1204
342-1205
342-1206
342-1207
342-1208
342-1210
342-1212
342-1214
342-1216
342-1218
342-1220
342-1222
342-1224
342-1248 		50
50
50
50
50
50
50
50
50
50
50
50
50
50 		50.0
38.0
32.0
28.8
24.8
19.2
14.4
12.8
12.0
11.2
9.0
8.0
7.5
3.6 		100.0
95.0
96.0
100.8
99.2
96.0
86.4
89.6
96.0
100.8
90.0
88.0
90.0
86.4 		0.20
0.25
0.30
0.35
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
2.40 		125.0
118.8
120.0
126.0
124.0
120.0
108.0
112.0
120.0
126.0
112.5
110.0
112.5
108.0 		0.25
0.31
0.38
0.44
0.50
0.63
0.75
0.88
1.00
1.13
1.25
1.38
1.50
3.00 		150.0
142.5
144.0
151.2
148.8
144.0
129.6
134.4
144.0
151.2
135.0
132.0
135.0
129.6 		0.30
0.38
0.45
0.53
0.60
0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
3.60 		185.0
175.8
177.6
186.5
183.5
177.6
159.8
165.8
177.6
186.5
166.5
162.8
166.5
159.8 		0.37
0.46
0.56
0.65
0.74
0.93
1.11
1.30
1.48
1.67
1.85
2.04
2.22
4.44
1 1/2 1
1-1/4
1-1/2
1-3/4
2
2-1/2
3
3-1/2
4
4-1/2
5
5-1/2
6
7
8
12 		342-1604
342-1605
342-1606
342-1607
342-1608
342-1610
342-1612
342-1614
342-1616
342-1618
342-1620
342-1622
342-1624
342-1628
342-1632
342-1648 		50
50
50
50
50
50
25
25
25
25
25
25
25
25
25
25 		76.0
62.4
49.6
44.0
40.0
31.0
25.0
21.6
18.4
17.0
14.4
12.8
12.0
10.0
8.8
6.2 		152.0
156.0
148.8
154.0
160.0
155.0
150.0
151.2
147.2
153.0
144.0
140.8
144.0
140.0
140.8
148.8 		0.20
0.25
0.30
0.35
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.40 		190.0
195.0
186.0
192.5
200.0
193.8
187.5
189.0
184.0
191.3
180.0
176.0
180.0
175.0
176.0
186.0 		0.25
0.31
0.38
0.44
0.50
0.63
0.75
0.88
1.00
1.13
1.25
1.38
1.50
1.75
2.00
3.00 		228.0
234.0
223.2
231.0
240.0
232.5
225.0
226.8
220.8
229.5
216.0
211.2
216.0
210.0
211.2
223.2 		0.30
0.38
0.45
0.53
0.60
0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
2.10
2.40
3.60 		281.2
288.6
275.3
284.9
296.0
286.8
277.5
279.7
272.3
283.1
266.4
260.5
266.4
259.0
260.5
275.3 		0.37
0.46
0.56
0.65
0.74
0.93
1.11
1.30
1.48
1.67
1.85
2.04
2.22
2.59
2.96
4.44
1-1/4 5/8 1-1/2
1-3/4
2
2-1/2
3
3-1/2
4
4-1/2
5
5-1/2
6
7
8
10
12		 342-2006
342-2007
342-2008
342-2010
342-2012
342-2014
342-2016
342-2018
342-2020
342-2022
342-2024
342-2028
342-2032
342-2040
342-2048		 25
25
25
25
25
25
25
25
25
25
25
25
25
25
25		 114.4
100.8
86.4
62.4
51.2
44.0
36.8
32.0
29.0
26.4
25.0
20.0
18.4
14.5
12.4		 343.2
352.8
345.6
312.0
307.2
308.0
294.4
288.0
290.0
290.4
300.0
280.0
294.4
290.0
297.6		 0.30
0.35
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.00
2.40		 429.0
441.0
432.0
390.0
384.0
385.0
368.0
360.0
362.5
363.0
375.0
350.0
368.0
362.5
372.0		 0.38
0.44
0.50
0.63
0.75
0.88
1.00
1.13
1.25
1.38
1.50
1.75
2.00
2.50
3.00		 514.8
529.2
518.4
468.0
460.8
462.0
441.6
432.0
435.0
435.6
450.0
420.0
441.6
435.0
446.4		 0.45
0.53
0.60
0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
2.10
2.40
3.00
3.60		 634.9
652.7
639.4
577.2
568.3
569.8
544.6
532.8
536.5
537.2
555.0
518.0
544.6
536.5
550.6		 0.56
0.65
0.74
0.93
1.11
1.30
1.48
1.67
1.85
2.04
2.22
2.59
2.96
3.70
4.44
1-1/2 3/4 2
2-1/2
3
3-1/2
4
4-1/2
5
5-1/2
6
7
8
10
12		 342-2408
342-2410
342-2412
342-2414
342-2416
342-2418
342-2420
342-2422
342-2424
342-2428
342-2432
342-2440
342-2448		 25
25
25
25
25
25
25
25
25
25
25
25
25		 108.0
85.6
62.4
52.8
48.0
43.2
36.8
34.4
30.4
26.4
22.0
17.6
14.4		 432.0
428.0
374.4
369.6
384.0
388.8
368.0
378.4
364.8
369.6
352.0
352.0
345.6		 0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.00
2.40		 540.0
535.0
468.0
462.0
480.0
486.0
460.0
473.0
456.0
462.0
440.0
440.0
432.0		 0.50
0.63
0.75
0.88
1.00
1.13
1.25
1.38
1.50
1.75
2.00
2.50
3.00		 648.0
642.0
561.6
554.4
576.0
583.2
552.0
567.6
547.2
554.4
528.0
528.0
518.4		 0.60
0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
2.10
2.40
3.00
3.60		 799.2
791.8
692.6
683.8
710.4
719.3
680.8
700.0
674.9
683.8
651.2
651.2
639.4		 0.74
0.93
1.11
1.30
1.48
1.67
1.85
2.04
2.22
2.59
2.96
3.70
4.44
2 1 2-1/2
3
3-1/2
4
4-1/2
5
5-1/2
6
7
8
10
12 		342-3210
342-3212
342-3214
342-3216
342-3218
342-3220
342-3222
342-3224
342-3228
342-3232
342-3240
342-3248 		25
25
25
25
25
25
25
25
25
10
10
10 		118.4
96.0
80.0
66.4
60.0
56.0
50.4
47.2
40.0
35.2
26.0
22.4 		592.0
576.0
560.0
531.2
540.0
560.0
554.4
566.4
560.0
563.2
520.0
537.6 		0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.00
2.40 		740.0
720.0
700.0
664.0
675.0
700.0
693.0
708.0
700.0
704.0
650.0
672.0 		0.63
0.75
0.88
1.00
1.13
1.25
1.38
1.50
1.75
2.00
2.50
3.00 		888.0
864.0
840.0
796.8
810.0
840.0
831.6
849.6
840.0
844.8
780.0
806.4 		0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
2.10
2.40
3.00
3.60 		1095.2
1065.6
1036.0
982.7
999.0
1036.0
1025.6
1047.8
1036.0
1041.9
962.0
994.6 		0.93
1.11
1.30
1.48
1.67
1.85
2.04
2.22
2.59
2.96
3.70
4.44
Hole
(A)		 Rod
(B)		 Free
Length
(C)		 Part
Number		   Load @
0.1 Def.
(lbs)		 Load
(lbs)		 Deflection
(20% of
Length)		 Load
(lbs)		 Deflection
(25% of
Length)		 Load
(lbs)		 Deflection
(30% of
Length)		 Load
(lbs)		 Deflection
(37% of
Length)
  For Optimum Life For Long Life Max. Operating Def. Max. Deflection*
* Theoretical limit. Not intended for operational use.