Then install and tighten a right hand main nut by using a standard torque for the size and material grade of the Symmetry Bolt.
Next install and tighten a left hand lock nut to a torque that is about 20 to 30% of the main nut torque.
Optimum torque value changes with various conditions. Before using the Symmetry Bolt, you will be adivsed recommended torque values for the best performance.
| T Class | 1.8 Class | 2.4 Class | |
|---|---|---|---|
| Strength: 4.6-6.6 | Strength: 8.8-12.9 | Strength: 10.9-12.9 | |
| Material: SS, SC | Material: SCr, SNC, SCM | Material: SCr, SNC, SCM, SNCM | |
| M8 | 12.5 | 22 | 29.5 |
| M10 | 24.5 | 44 | 59 |
| M12 | 42 | 76 | 100 |
| M14 | 68 | 122 | 166 |
| M16 | 106 | 190 | 255 |
| M18 | 146 | 270 | 350 |
| M20 | 204 | 370 | 490 |
| M22 | 282 | 500 | 670 |
| M24 | 360 | 650 | 860 |