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
Reference values for tightening torque NORD-LOCK® washers wedge-locking system
High strength structural bolts


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