Drawing forces of the formed thread
Determined drawing forces in kN for material S235JR (ST37/2)
The stated values are empirical values and vary depending on the type of former, material, and material thickness. For stainless steel the value is slightly higher. For aluminum it is much lower.
| thread | material thickness
(mm) |
kN |
| M4 | 1.0 |
5 - 6 |
2.0 |
8 - 9 | |
| M5 | 1.0 |
8 - 10 |
1.5 |
11 - 13 | |
2.0 |
14 - 15 | |
| M6 | 1.5 |
12 - 16 |
2.0 |
16 - 17 | |
3.0 |
23 - 24 | |
| M8 | 2.0 |
22 - 27 |
3.0 |
36 - 42 | |
4.0 |
43 - 45 | |
| M10 | 3.0 |
46 - 53 |
4.0 |
68 - 72 | |
| M12 | 3.0 |
50 - 72 |
4.0 |
84 - 91 | |
5.0 |
84 - 106 | |
| M16 | 3.0 |
94 - 97 |
4.0 |
94 - 115 | |
5.0 |
126 - 141 | |
| M20 | 3.0 |
122 - 142 |
4.0 |
147 - 162 | |
5.0 |
196 - 200 |
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