Oct 2025
Test Load for Nuts
Test loads for nuts according to ISO 898, part 2:
Thread1)
d
|
Nominal
stress area
As
[mm2]
|
Test load
(As × Sp) [N]
|
| 04 |
05 |
4 |
5 |
6 |
8 |
|
9 |
10 |
12 |
|
|
| Style 1 | Style 1 | Style 1 | Style 1 | Style 2 | Style 2 | Style 2 | Style 2 | Style 2 |
| M3 |
5.03 |
1910 |
2500 |
- |
2600 |
3000 |
4000 | - |
4500 | 5200 | 5700 | 5800 |
| M3.5 |
6.78 |
2580 |
3400 |
- |
3550 |
4050 |
5400 |
|
6100 | 7050 |
7700 | 7800 |
| M4 |
8.78 |
3340 |
4400 |
- |
4550 |
5250 |
7000 |
|
7900 |
9150 |
10000 | 10100 |
| M5 |
14.2 |
5400 |
7100 |
- |
8250 |
9500 |
12140 |
|
13000 |
14800 |
16200 | 16300 |
| M6 |
20.1 |
7640 |
10000 |
- |
11700 |
13500 |
17200 |
|
18400 |
20900 |
22900 | 23100 |
| M7 |
28.9 |
11000 |
14500 |
- |
16800 |
19400 |
24700 |
|
26400 |
30100 |
32900 | 33200 |
| M8 |
36.6 |
13900 |
18300 |
- |
21600 |
24900 |
31800 |
|
34400 |
38100 |
41700 | 42500 |
1 If the description of the thread does not include thread pitch then the reference is to coarse threads (see ISO 261 and ISO 262).