Hex chamfered single face
Hex with flange
Hex with shoulder
Cheese with collar
Hex chamfered double faces
DIN 6927-1983
Prevailing torque type all-metal hexagon nuts with flange
DIN 980V-1987
All-metal prevailing torque type hexagon nuts,type V
DIN 6925-1987
Prevailing torque type all-metal hexagon nuts