OS GSO ISO 898-7:2014 Mechanical properties of fasteners -- Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
1970OS GSO ISO 898-7:2014 Mechanical properties of fasteners -- Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm