The recommended torque settings can be found in the table. These values apply in respect of oiled screws.
By using greases containing MoS2, the required torque can drop to half of the values set out below.
Strength grade 8.8
| Sizes | Max. tightening torque in Ncm* | |
|---|---|---|
| Fastening screws DIN 912 | Fastening screws with thin shaft, type GD or GDN | |
| M 2 | 35 | – |
| M 2.5 | 73 | 54 |
| M 3 | 128 | 94 |
| M 4 | 290 | 221 |
| M 5 | 575 | 463 |
| M 6 | 990 | 762 |
| M 8 | 2400 | 1838 |
| M 10 | 4800 | 3840 |
| M 12 | 8300 | 6579 |
| M 14 | 13200 | 10631 |
| M 16 | 20000 | – |
* Tightening torques apply for materials with a tensile strength of > 360 N/mm²