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
JIS B1199-1-2.1-2001
Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10-Table 2-1
JIS B1199-2-4.1-2001
Prevailing torque type all-metal hexagon nuts,style 2, with metric fine pitch thread—Property classes 8,10 and 12-Table 4-1
JIS B1199-3-2001
Prevailing torque type hexagon nylon flange nuts with metric fine pitch thread-Table 2-1
JIS B1199-4-2.1-2001
Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread-Table 2-1
