Hex chamfered single face
Hex with flange
Hex with shoulder
Cheese with collar
Hex chamfered double faces
Nylon Insert
Pressing point prevailing torque
Side slotted
Straight-knurl
All-metal prevailing torque
Pressing point side
NF E25-421-1997
Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10
NF E25-421-2002
Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10
NF E25-421-2013
Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10
NF E25-422-1997
Prevailing torque type all-metal hexagon nuts,style 2, with metric fine pitch thread—Property classes 8,10 and 12
NF E25-422-2002
Prevailing torque type all-metal hexagon nuts,style 2, with metric fine pitch thread—Property classes 8,10 and 12
NF E25-422-2013
Prevailing torque type all-metal hexagon nuts,style 2, with metric fine pitch thread—Property classes 8,10 and 12
