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
ASME/ANSI B18.16M-2-2016
Metric all metal hex flange lock nuts，classes 5、9and 10-Table 2
GB/T 6183-1986
Prevailing torque type hexagon nuts with flange(with non-metallic insert)
GB/T 6187.1-2016
Metric all metal hex flange lock nuts,style 2
GB/T 6187.1-2000
Metric all metal hex flange lock nuts,style 2
GB/T 6187.2-2016
Metric all metal hex flange lock nuts, style 2，Fine pitch thread
GB/T 6187.2-2000
Metric all metal hex flange lock nuts, style 2，Fine pitch thread
