GOST 7811-1970
Hexagonal head guide neck bolts with hole on head
GOST 7811-1970
Upset type hexagon head bolts with guide neck
GOST 7811-1970
Upset type hexagonal head guide neck bolt with hole on shank
GOST 7817-1980
Hexagon head fit bolts with split pin hole on shank
GOST 10602-1972
Hexagon head bolts
GOST 10602-1972
Hexagon bolts with split pin hole on shank
GOST 10602-1994
Hexagon head bolts
GOST 10602-1994
Hexagon bolts with split pin hole on shank
GOST 18125-1972
Hexagon head bolts
GOST 18125-1972
Hexagon bolts with split pin hole on shank
GOST R50795-1995
Hexagon head bolts with fine pitch thread