Material Strengths
Material Strength - 60,000 psi
J82 60M or Grade 1 or Class 4.8 |
||||||||
Size
|
Dia.
|
Stress
Area |
Tensile
Str. Lbs |
Proof Load Str.
Lbs |
Dry Parts
K=.2 |
Lubricated Parts K=.15
|
||
Min Break Str.
(in/lbs)
|
Max Torque Value
(in/lbs)
|
Min Break Str,
(in/lbs)
|
Max
Torque Value (in/lbs) |
|||||
8-32
|
0.1640
|
0.01400
|
840
|
462
|
20.7
|
11.4
|
15.5
|
8.5
|
10-24
|
0.1900
|
0.01750
|
1,050
|
578
|
29.9
|
16.5
|
22.4
|
12.3
|
10-32
|
0.1900
|
0.02000
|
1,200
|
660
|
34.2
|
18.8
|
25.7
|
14.1
|
1/4-20
|
0.2500
|
0.03180
|
1,908
|
1,049
|
71.6
|
39.4
|
53.7
|
29.5
|
1/4-28
|
0.2500
|
0.03637
|
2,182
|
1,200
|
81.8
|
45.0
|
61.4
|
33.8
|
5/16-18
|
0.3125
|
0.05240
|
3,144
|
1,729
|
147.4
|
81.1
|
110.5
|
60.8
|
5/16-24
|
0.3125
|
0.05800
|
3,480
|
1,914
|
163.1
|
89.7
|
122.3
|
67.3
|
3/8-16
|
0.3750
|
0.07750
|
4,650
|
2,558
|
261.6
|
143.9
|
196.2
|
107.9
|
3/8-24
|
0.3750
|
0.08780
|
5,268
|
2,897
|
296.3
|
163.0
|
222.2
|
122.2
|
7/16-14
|
0.4375
|
0.10630
|
6,378
|
3,508
|
418.6
|
230.2
|
313.9
|
172.7
|
7/16-20
|
0.4375
|
0.11870
|
7,122
|
3,917
|
467.4
|
257.1
|
350.5
|
192.8
|
M3.5x0.6
|
0.1380
|
0.01051
|
631
|
347
|
13.1
|
7.2
|
9.8
|
5.4
|
M4x0.7
|
0.1575
|
0.01349
|
809
|
445
|
19.1
|
10.5
|
14.3
|
7.9
|
M5x0.8
|
0.1970
|
0.02201
|
1,321
|
726
|
39.0
|
21.5
|
29.3
|
16.1
|
M6x1.0
|
0.2360
|
0.03116
|
1,869
|
1,028
|
66.2
|
36.4
|
49.6
|
27.3
|
M7x1.0
|
0.2755
|
0.04473
|
2,684
|
1,476
|
110.9
|
61.0
|
83.2
|
45.8
|
M8x1.25
|
0.3150
|
0.05673
|
3,404
|
1,872
|
160.8
|
88.5
|
120.6
|
66.3
|
M10x1.5
|
0.3940
|
0.08990
|
5,394
|
2,967
|
318.8
|
175.3
|
239.1
|
131.5
|
M12x1.75
|
0.4720
|
0.13067
|
7,840
|
4,312
|
555.1
|
305.3
|
416.3
|
229.0
|
Material Strength - 75,000 psi
Grade 2 or Class 5.8 |
||||||||
Size
|
Dia.
|
Stress
Area |
Tensile
Str. Lbs |
Proof Load Str.
Lbs |
Dry Parts
K=.2 |
Lubricated Parts K=.15
|
||
Min Break Str.
(in/lbs)
|
Max Torque Value
(in/lbs)
|
Min Break Str,
(in/lbs)
|
Max
Torque Value (in/lbs) |
|||||
8.32
|
0.1640
|
0.01400
|
1,050
|
788
|
25.8
|
19.4
|
19.4
|
14.5
|
10-24
|
0.1900
|
0.01750
|
1,313
|
984
|
37.4
|
28.1
|
28.1
|
21.0
|
10-32
|
0.1900
|
0.02000
|
1,500
|
1,125
|
42.8
|
32.1
|
32.1
|
24.0
|
1/4-20
|
0.2500
|
0.03180
|
2,385
|
1,789
|
89.4
|
67.1
|
67.1
|
50.3
|
1/4-28
|
0.2500
|
0.03637
|
2,728
|
2,046
|
102.3
|
76.7
|
76.7
|
57.5
|
5/16-18
|
0.3125
|
0.05240
|
3,930
|
2,948
|
184.2
|
138.2
|
138.2
|
103.6
|
5/16-24
|
0.3125
|
0.05800
|
4,350
|
3,263
|
203.9
|
152.9
|
152.9
|
114.7
|
3/8-16
|
0.3750
|
0.07750
|
5,813
|
4,359
|
327.0
|
245.2
|
245.2
|
183.9
|
3/8-24
|
0.3750
|
0.08780
|
6,585
|
4,939
|
370.4
|
277.8
|
277.8
|
208.4
|
7/16-14
|
0.4375
|
0.10630
|
7,973
|
5,979
|
523.2
|
392.4
|
392.4
|
294.3
|
7/16-20
|
0.4375
|
0.11870
|
8,903
|
6,677
|
584.2
|
438.2
|
438.2
|
328.6
|
M3.5x0.6
|
0.1380
|
0.01051
|
788
|
591
|
16.3
|
12.2
|
12.2
|
9.2
|
M4x0.7
|
0.1575
|
0.01349
|
1,012
|
759
|
23.9
|
17.9
|
17.9
|
13.4
|
M5x0.8
|
0.1970
|
0.02201
|
1,651
|
1,238
|
48.8
|
36.6
|
36.6
|
27.4
|
M6x1.0
|
0.2360
|
0.03116
|
2,337
|
1,752
|
82.7
|
62.0
|
62.0
|
46.5
|
M7x1.0
|
0.2755
|
0.04473
|
3,355
|
2,516
|
138.6
|
104.0
|
104.0
|
78.0
|
M8x1.25
|
0.3150
|
0.05673
|
4,255
|
3,191
|
201.0
|
150.8
|
150.8
|
113.1
|
M10x1.5
|
0.3940
|
0.08990
|
6,743
|
5,057
|
398.5
|
298.9
|
298.9
|
224.1
|
M12x1.75
|
0.4720
|
0.13067
|
9,800
|
7,350
|
693.9
|
520.4
|
520.4
|
390.3
|
Material Strength - 120,000 psi
J82 120M or Grade 5 or Grade 5.1 or J81 or J1237 Type 2 or Class 8.8 |
||||||||
Size
|
Dia.
|
Stress
Area |
Tensile
Str. Lbs |
Proof Load Str.
Lbs |
Dry Parts
K=.2 |
Lubricated Parts K=.15
|
||
Min Break Str.
(in/lbs)
|
Max Torque Value
(in/lbs)
|
Min Break Str,
(in/lbs)
|
Max
Torque Value (in/lbs) |
|||||
8-32
|
0.1640
|
0.01400
|
1,680
|
1,176
|
41.3
|
28.9
|
31.0
|
21.7
|
10-24
|
0.1900
|
0.01750
|
2,100
|
1,470
|
59.9
|
41.9
|
44.9
|
31.4
|
10-32
|
0.1900
|
0.02000
|
2,400
|
1,680
|
68.4
|
47.9
|
51.3
|
35.9
|
1/4-20
|
0.2500
|
0.03180
|
3,816
|
2,671
|
143.1
|
100.2
|
107.3
|
75.1
|
1/4-28
|
0.2500
|
0.03637
|
4,364
|
3,055
|
163.7
|
114.6
|
122.7
|
85.9
|
5/16-18
|
0.3125
|
0.05240
|
6,288
|
4,402
|
294.8
|
206.3
|
221.1
|
154.7
|
5/16-24
|
0.3125
|
0.05800
|
6,960
|
4,872
|
326.3
|
228.4
|
244.7
|
171.3
|
3/8-16
|
0.3750
|
0.07750
|
,9300
|
6,510
|
523.1
|
366.2
|
392.3
|
274.6
|
3/8-24
|
0.3750
|
0.08780
|
10,536
|
7,375
|
592.7
|
414.9
|
444.5
|
311.1
|
7/16-14
|
0.4375
|
0.10630
|
12,756
|
8,929
|
837.1
|
586.0
|
627.8
|
439.5
|
7/16-20
|
0.4375
|
0.11870
|
14,244
|
9,971
|
934.8
|
654.3
|
701.1
|
490.8
|
M3.5x0.6
|
0.1380
|
0.01051
|
1,261
|
883
|
26.1
|
18.3
|
19.6
|
13.7
|
M4x0.7
|
0.1575
|
0.01349
|
1,619
|
1,133
|
38.2
|
26.8
|
28.7
|
20.1
|
M5x0.8
|
0.1970
|
0.02201
|
2,641
|
1,849
|
78.0
|
54.6
|
58.5
|
41.0
|
M6x1.0
|
0.2360
|
0.03116
|
3,739
|
2,617
|
132.3
|
92.6
|
99.3
|
69.5
|
M7x1.0
|
0.2755
|
0.04473
|
5,368
|
3,758
|
221.8
|
155.3
|
166.4
|
116.5
|
M8x1.25
|
0.3150
|
0.05673
|
6,808
|
4,765
|
321.7
|
225.2
|
241.2
|
168.9
|
M10x1.5
|
0.3940
|
0.08990
|
10,788
|
7,552
|
637.6
|
446.3
|
478.2
|
334.7
|
M12x1.75
|
0.4720
|
0.13067
|
15,680
|
10,976
|
1110.2
|
777.1
|
832.6
|
582.8
|
Material Strengths (Cont.)
Material Strength - 130,000 psi
Class 9.8 |
||||||||
Size
|
Dia.
|
Stress
Area |
Tensile
Str. Lbs |
Proof Load Str.
Lbs |
Dry Parts
K=.2 |
Lubricated Parts K=.15
|
||
Min Break Str.
(in/lbs)
|
Max Torque Value
(in/lbs)
|
Min Break Str,
(in/lbs)
|
Max
Torque Value (in/lbs) |
|||||
8-32
|
0.1640
|
0.01400
|
1,820
|
1,274
|
44.8
|
31.3
|
33.6
|
23.5
|
10-24
|
0.1900
|
0.01750
|
2,275
|
1,593
|
64.8
|
45.4
|
48.6
|
34.0
|
10-32
|
0.1900
|
0.02000
|
2,600
|
1,820
|
74.1
|
51.9
|
55.6
|
38.9
|
1/4-20
|
0.2500
|
0.03180
|
4,134
|
2,894
|
155.0
|
108.5
|
116.3
|
81.4
|
1/4-28
|
0.2500
|
0.03637
|
4,728
|
3,310
|
177.3
|
124.1
|
133.0
|
93.1
|
5/16-18
|
0.3125
|
0.05240
|
6,812
|
4,768
|
319.3
|
223.5
|
239.5
|
167.6
|
5/16-24
|
0.3125
|
0.05800
|
7,540
|
5,278
|
353.4
|
247.4
|
265.1
|
185.6
|
3/8-16
|
0.3750
|
0.07750
|
10,075
|
7,053
|
566.7
|
396.7
|
425.0
|
297.5
|
3/8-24
|
0.3750
|
0.08780
|
11,414
|
7,990
|
642.0
|
449.4
|
481.5
|
337.1
|
7/16-14
|
0.4375
|
0.10630
|
13,819
|
9,673
|
906.9
|
634.8
|
680.2
|
476.1
|
7/16-20
|
0.4375
|
0.11870
|
15,431
|
10,802
|
1012.7
|
708.9
|
759.5
|
531.6
|
M3.5x0.6
|
0.1380
|
0.01051
|
1,366
|
956
|
28.3
|
19.8
|
21.2
|
14.8
|
M4x0.7
|
0.1575
|
0.01349
|
1,754
|
1,228
|
41.4
|
29.0
|
31.1
|
21.8
|
M5x0.8
|
0.1970
|
0.02201
|
2,861
|
2,003
|
84.6
|
59.2
|
63.4
|
44.4
|
M6x1.0
|
0.2360
|
0.03116
|
4,050
|
2,835
|
143.4
|
100.4
|
107.5
|
75.3
|
M7x1.0
|
0.2755
|
0.04473
|
,5815
|
4,071
|
240.3
|
168.2
|
180.2
|
126.2
|
M8x1.25
|
0.3150
|
0.05673
|
7,375
|
5,162
|
348.5
|
243.9
|
261.3
|
182.9
|
M10x1.5
|
0.3940
|
0.08990
|
11,687
|
8,181
|
690.7
|
483.5
|
518.0
|
362.6
|
M12x1.75
|
0.4720
|
0.13067
|
16,987
|
11,891
|
1202.7
|
841.9
|
902.0
|
631.4
|
Material Strength - 150,000 psi
Class 10.9 or Grade 8 |
||||||||
Size
|
Dia.
|
Stress
Area |
Tensile
Str. Lbs |
Proof Load Str.
Lbs |
Dry Parts
K=.2 |
Lubricated Parts K=.15
|
||
Min Break Str.
(in/lbs)
|
Max Torque Value
(in/lbs)
|
Min Break Str,
(in/lbs)
|
Max
Torque Value (in/lbs) |
|||||
8-32
|
0.1640
|
0.01400
|
2,100
|
1,680
|
51.7
|
41.3
|
38.7
|
31.0
|
10-24
|
0.1900
|
0.01750
|
2,625
|
2,100
|
74.8
|
59.9
|
56.1
|
44.9
|
10-32
|
0.1900
|
0.02000
|
3,000
|
2,400
|
85.5
|
68.4
|
64.1
|
51.3
|
1/4-20
|
0.2500
|
0.03180
|
4,770
|
3,816
|
178.9
|
143.1
|
134.2
|
107.3
|
1/4-28
|
0.2500
|
0.03637
|
5,456
|
4,364
|
204.6
|
163.7
|
153.4
|
122.7
|
5/16-18
|
0.3125
|
0.05240
|
7,860
|
6,288
|
368.4
|
294.8
|
276.3
|
221.1
|
5/16-24
|
0.3125
|
0.05800
|
8,700
|
6,960
|
407.8
|
326.3
|
305.9
|
244.7
|
3/8-16
|
0.3750
|
0.07750
|
11,625
|
9,300
|
653.9
|
523.1
|
490.4
|
392.3
|
3/8-24
|
0.3750
|
0.08780
|
13,170
|
10,536
|
740.8
|
592.7
|
555.6
|
444.5
|
7/16-14
|
0.4375
|
0.10630
|
15,945
|
12,756
|
1046.4
|
837.1
|
784.8
|
627.8
|
7/16-20
|
0.4375
|
0.11870
|
17,805
|
14,244
|
1168.5
|
934.8
|
876.3
|
701.1
|
M3.5x0.6
|
0.1380
|
0.01051
|
1,577
|
1,261
|
32.6
|
26.1
|
24.5
|
19.6
|
M4x0.7
|
0.1575
|
0.01349
|
2,024
|
1,619
|
47.8
|
38.2
|
35.9
|
28.7
|
M5x0.8
|
0.1970
|
0.02201
|
3,302
|
2,641
|
97.6
|
78.0
|
73.2
|
58.5
|
M6x1.0
|
0.2360
|
0.03116
|
4,673
|
3,739
|
165.4
|
132.3
|
124.1
|
99.3
|
M7x1.0
|
0.2755
|
0.04473
|
6,710
|
5,368
|
277.3
|
221.8
|
208.0
|
166.4
|
M8x1.25
|
0.3150
|
0.05673
|
8,510
|
6,808
|
402.1
|
321.7
|
301.6
|
241.2
|
M10x1.5
|
0.3940
|
0.08990
|
13,485
|
10,788
|
797.0
|
637.6
|
597.7
|
478.2
|
M12x1.75
|
0.4720
|
0.13067
|
19,601
|
15,680
|
1387.7
|
1110.2
|
1040.8
|
832.6
|