Aluminium screws
| Thread | Strength | Tightening procedure |
|---|---|---|
| M6 | AL9 | → Initial tightening: 4 Nm (3 ftlb.) and → Final tightening: 90° or yield-point wrench. |
| M8 | AL9 | → Initial tightening: 10 Nm (7.5 ftlb.) and → Final tightening: 90° or yield-point wrench. |
| M10 | AL9 | → Initial tightening: 20 Nm (15 ftlb.) and → Final tightening: 90° or yield-point wrench. |