DS EN 20898-7:1995
DS EN 20898-7:1995 Mechanical Properties Of Fasteners - Part 7: Torsional Test And Minimum Torques For Bolts And Screws With Nominal Diameters 1 Mm To 10 Mm Defines a torsional test for the determination of breaking torque of bolts and screws with nominal diameters 1 mm to 10 mm with property classes 8.8 to 12.9 in accordance with ISO 898-1.