| Content: | 
| How to use reference values | 
| Approximate values for metric coarse threads VDI 2230 | 
| Approximate values for metric fine threads VDI 2230 | 
| Stud bolts with reduced shank | 
| Tightening torques for plastic screws / Polyamide 6.6 | 
| Approximate values for austenitic stainless steel A1 / A2 / A4 | 
| Fasteners with internal drives and lower head shape | 
| Flange screws and flange nuts | 
| Tightening torques ecosyn® SEF | 
| Reference values for tightening torque NORD-LOCK® washers wedge-locking system | 
| High strength structural bolts for steel constructions (HV sets) |