Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Hex unchamfered
JIS B1181-6-1993
Single chamfered hexagon nut,style 2-Table 6
JIS B1220-2010
single chamfered hexagon foundation nuts
JIS B1220-2015
single chamfered hexagon foundation nuts
JIS B1181-2014
Hexagon nuts, style 1,with metric fine pitch thread
JIS B1181-2014
Single chamfered hexagon nuts, style 1,with metric fine pitch thread
JIS B1181-2014
Single chamfered hexagon nut,style 2
JIS B1181-2014
Hexagon nuts,style 2,with metric fine pitch thread
JIS B1181-2014
Single chamfered hexagon nuts,style 2,with metric fine pitch thread
JIS B1181-2014
Hexagon thin nuts with metric fine pitch thread