APPROXIMATE CLAMPING FORCE
OF STANDARD CLAMP STRAPS

METRIC
| Stud Size |
Recommended Torque* (Nm) |
Clamping Force (N) |
Tensile Force in Stud (N) |
| M6 |
5 |
2200 |
4400 |
| M8 |
12 |
4000 |
8000 |
| M10 |
27 |
6500 |
13000 |
| M12 |
47 |
10000 |
20000 |
| M16 |
115 |
18000 |
36000 |
| M20 |
225 |
28000 |
56000 |
| M24 |
385 |
40000 |
80000
|
INCH
| Stud Size |
Recommended Torque* (Nm) |
Clamping Force (N) |
Tensile Force in Stud (N) |
| #10-32 |
3 |
1300 |
2600 |
| 1/4"-20 |
5 |
2200 |
4400 |
| 5/16"-18 |
12 |
4000 |
8000 |
| 3/8"-16 |
22 |
5500 |
11000 |
| 1/2"-13 |
52 |
10000 |
20000 |
| 5/8"-11 |
104 |
16500 |
33000 |
| 3/4"-10 |
185 |
24000 |
48000 |
| 7/8"-9 |
300 |
34000 |
68000 |
| 1"-8 |
450 |
44000 |
88000
|
*Clean, dry clamping stud torqued to approximately 33% of its 690 MPa yield strength (2:1 lever ratio).
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