Hex chamfered single face
Hex with flange
Hex with shoulder
Cheese with collar
Hex chamfered double faces
MS 20500E-1986
All-metal prevailing torque type hexagon nuts
MS 20500-1994
All-metal prevailing torque type hexagon nuts
MS 20500E-2002
All-metal prevailing torque type hexagon nuts
MS 20500F-2011
All-metal prevailing torque type hexagon nuts
MS 20500G-2012
All-metal prevailing torque type hexagon nuts
MS 21044H-1993
All-metal prevailing torque type hexagon nuts
MS 21044H-1999
All-metal prevailing torque type hexagon nuts