CNS 4320-1987
Hexagon head bolts, metric fine thread
CNS 4320-1987
Hexagon head bolts,metric fine thread
CNS 4321-1987
Hexagon bolts with thread approximately to head, metric fine thread
CNS 4322-1982
Hexagon bolts with thread approximately to head, metric thread
CNS 4364-1981
Hexagon head fitting bolts with long threaded portion
CNS 4365-1981
Hexagon head fitting bolts with short threaded portion
CNS 4366-1987
Hexagon bolts with large widths across flats for steel structures (joints with hightensile, prestressed bolts)
GOST 22353-1977
High strength hexagon bolts
CNS 3122-2014
Hexagon head screws
GOST 32484.3-2014
High-strength structural bolting assemblies for preloading-system HR-Hex bolt
GOST 32484.4-2014
High-strength structural bolting assemblies for preloading-system HV
GOST R50791-1995
Hexagon head bolts-Reduced shank
GOST R50792-1995
Hexagon head bolts-Full thread
GOST R50793-1995
Hexagon head screws
GOST R50794-1995
Hexagon head bolts
GOST R50795-1995
Hexagon head bolts with fine pitch thread
GOST R50796-1995
Hexagon head bolts
GOST R52644-2006
Hexagon bolts for high-strength structural bolting
DS 51417-1999
Metric hexagon bolts fine thread with wire holes on head
DS 51474-2000
Metric hexagon bolts with wire holes on head