The following information should be used only as a guide. While accurate, these results are based on ideal weld environments containing no imperfections or outside influences that are known to affect welds (such as lubrications, finish, steel strength, etc).
Thread Size |
Thread Dia. (in) |
TPI |
META (in2) |
Yield Load (Lbs) |
Ultimate Load (Lbs) |
Yield Torque (Inch_Lbs) |
Ultimate Torque (Inch Lbs) |
Yield PSI (min) |
Ultimate PSI (min) |
Mild Steel
M3 |
0.1181 |
50.80 |
0.008 |
269 |
423 |
6 |
10 |
35000 |
55000 |
M4 |
0.1575 |
36.29 |
0.013 |
469 |
737 |
15 |
23 |
35000 |
55000 |
M5 |
0.1969 |
31.75 |
0.022 |
759 |
1193 |
30 |
47 |
35000 |
55000 |
M6 |
0.2362 |
25.40 |
0.031 |
1076 |
1691 |
51 |
80 |
35000 |
55000 |
M8 |
0.3150 |
20.32 |
0.056 |
1960 |
3080 |
123 |
194 |
35000 |
55000 |
M10 |
0.3937 |
16.93 |
0.089 |
3106 |
4881 |
245 |
384 |
35000 |
55000 |
Stainless Steel
M3 |
0.1181 |
50.80 |
0.008 |
231 |
577 |
5 |
14 |
30000 |
75000 |
M4 |
0.1575 |
36.29 |
0.013 |
402 |
1005 |
13 |
32 |
30000 |
75000 |
M5 |
0.1969 |
31.75 |
0.022 |
651 |
1626 |
26 |
32 |
30000 |
75000 |
M6 |
0.2362 |
25.40 |
0.031 |
922 |
2306 |
44 |
109 |
30000 |
75000 |
M8 |
0.3150 |
20.32 |
0.056 |
1680 |
4200 |
106 |
265 |
30000 |
75000 |
M10 |
0.3937 |
16.93 |
0.089 |
2662 |
6656 |
210 |
524 |
30000 |
75000 |
|
Aluminum 1100
M3 |
0.1181 |
50.80 |
0.008 |
154 |
161 |
4 |
4 |
20000 |
21000 |
M4 |
0.1575 |
36.29 |
0.013 |
268 |
281 |
8 |
9 |
20000 |
21000 |
M5 |
0.1969 |
31.75 |
0.022 |
434 |
455 |
17 |
18 |
20000 |
21000 |
M6 |
0.2362 |
25.40 |
0.031 |
615 |
646 |
29 |
31 |
20000 |
21000 |
Aluminum 5356/5154
M3 |
0.1181 |
50.80 |
0.008 |
223 |
307 |
5 |
7 |
29000 |
40000 |
M4 |
0.1575 |
36.29 |
0.013 |
389 |
536 |
12 |
17 |
29000 |
40000 |
M5 |
0.1969 |
31.75 |
0.022 |
629 |
867 |
25 |
34 |
29000 |
40000 |
M6 |
0.2362 |
25.40 |
0.031 |
892 |
1230 |
42 |
58 |
29000 |
40000 |
M8 |
0.3150 |
20.32 |
0.056 |
1624 |
2240 |
102 |
141 |
29000 |
40000 |
*Torque figures based on the assumption that excessive deformation of the thread has not taken relationship between torque/tension out of its proportional range. |
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