Slot
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
Conical spring washers
Ex-teeth CSK washers
MS 20500G-2012
All-metal prevailing torque type hexagon nuts
MS 20503A-1964
Hexagon nuts with non-metallic insert
MS 21044H-1993
MS 21044H-1999