Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Hex unchamfered
ISO 4036-1999
Hexagon thin nuts (unchamfered)
ISO 4036-2001
Hexagon thin nuts (unchamfered)
ISO 4036-2006
Hexagon thin nuts (unchamfered)
ISO 4036-2012
Hexagon thin nuts (unchamfered)