|
Clamping Force
of Standard Clamp Straps
USA
| Stud Size |
Recommended
Torque*
(ft.-lbs.) |
Clamping
Force
(lbs.) |
Tensile Force
in Stud
(lbs.) |
| #10-32 |
2 |
300 |
600 |
| 1/4-20 |
4 |
500 |
1000 |
| 5/16-18 |
9 |
900 |
1800 |
| 3/8-16 |
16 |
1300 |
2600 |
| 1/2-13 |
38 |
2300 |
4600 |
| 5/8-11 |
77 |
3700 |
7400 |
| 3/4-10 |
138 |
5500 |
11000 |
| 7/8-9 |
222 |
7600 |
15200 |
| 1-8 |
333 |
10000 |
20000 |
*Clean, dry clamping stud torqued to approximately 33%
of its 100,000 psi yield strength (2:1 lever ratio). |
|
