EN 24015-1979
Hexagon head bolts-Reduced shank
EN 24015-2007
Hexagon head bolts-Reduced shank
GOST 7795-1970
Hexagon reduced head bolts with guide neck
GOST 7795-1970
Hexagonal head guide neck bolt with hole on shank
GOST 7795-1970
Hexagonal head guide neck bolts with hole on head
GOST 7795-1970
Indented type hexagon head bolts with guide neck
GOST 7795-1970
Indented type hexagonal head guide neck bolt with hole on shank
GOST 7811-1970
Hexagon reduced head bolts with guide neck
GOST 7811-1970
Hexagonal head guide neck bolt with hole on shank
GOST 7811-1970
Hexagonal head guide neck bolts with hole on head
GOST 7811-1970
Indented type hexagon head bolts with guide neck
GOST 7811-1970
Indented type hexagonal head guide neck bolt with hole on shank
DS 51417-1999
Metric hexagon bolts fine thread with wire holes on head