GOST R ISO 898-7-2009 Mechanical properties of fasteners. Part 7. Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
ISO 898-1:1999 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs
GOST R ISO 898-7-2009 history
2009GOST R ISO 898-7-2009 Mechanical properties of fasteners. Part 7. Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm