GB/T 29.1-1988
Hexagon head bolts with slot on head
GB/T 29.2-1988
Cross recessed hexagon bolts with indentation
GB/T 31.1-1988
Hexagon bolts with split pin hole on shank
JIS B2801-6-1977
Hexagon head bolt for shackle Type BB and Type SB-Table 6
JIS B2801-7-1996
Hexagon head bolt for shackle Type BB and Type SB-Table 7
NF E25-801-8-2008
High strength hexagon fit bolts with large widths across flats for structural steel bolting-System HV
NF E25-801-3-2005
High-strength structural bolting assemblies for preloading-system HR-Hex bolt
NF E27-711-1982
High-strength structural bolting assemblies for preloading-system HR-Hex bolt
NF E25-801-4-2015
High-strength structural bolting assemblies for preloading-system HV
NF E25-114-2011
Hexagon head screws
NF E25-114-2014
Hexagon head screws
EN 14399-10-2009
Twist-off type tension control structural bolts with heavy hex head
ISO 4016-2011
Hexagon head bolts
ISO 4017-2011
Hexagon head screws
ISO 4018-2011
Hexagon head bolts-Full thread
DIN 609-1984
Big hexagon fit bolt
DIN 609-1984
Hexagon fit bolt
DIN 609-1984
Large hexagon fit bolt
DIN 609-2016
Hexagon fit bolt
DIN 931-2-1987
Hexagon head bolts
