DS EN 14831:2005
DS EN 14831:2005 Fasteners - Tightening Performance - Torque/Angle Simplified Test Method Defines a test method for fasteners with ISO metric thread from M6 to M16 and with property classes 8.8 to 12.9 for bolts and screws and with property classes 8 to 12 for nuts, to check their tighteni