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
UNI 7473
Prevailing torque type hexagon nuts with polyamide ring-ISO metric coarse and fine thread
UNI 7474
Prevailing torque-type hexagon lock nuts with polyamide ring-ISO metric coarse and fine thread
UNI 2733
Prevailing torque type hexagon thick nuts(with non-metallic insert)
UNI 8835
Self locking counter nuts-For metric thread series 1，6 locking teeth
UNI 8835
Self locking counter nuts-For metric fine thread series 2，9 locking teeth
UNI 8835
Self locking counter nuts-For metric fine thread series 3，9 locking teeth
