GB/T 5782-2016
Hexagon head bolts
DIN 931-1-1987
Hexagon head bolts
HG/T 20634-2009
Hexagon bolts for flange pipe
ISO 4014-2011
Hexagon head bolts
GB/T 1228-2006
High strength bolts with large hexagon head for steel structures
DIN 6914-1989
High-strength hexagon bolts with large widths across flats for structural bolting
ISO 7412-1984
Hexagon bolts for high-strength structural bolting with large width across flats-Property classes 8.8 and 10.9
ISO 7411-1984
Hexagon bolts for high-strength structural bolting with large width across flats-Property classes 8.8 and 10.9
HG/T 20613-2009
Bolting for use with stral pipe falanges-Hexagon head bolts
HG/T 20613-2009
Bolting for use with stral pipe falanges-Hexagon head bolts
GB 30-1976
Hexagon head bolts
GB/T 5782-1986
Hexagon head bolts
GB/T 5782-2000
Hexagon head bolts
ISO 4014-2001
Hexagon head bolts
ISO 4014-1999
Hexagon head bolts
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon head bolts
GB/T 5780-2016
Hexagon head bolts
GB 21-1976
Small hexagon head bolts
GB/T 9125-2010
Fasteners for pipe flange joints—Hexagon head bolts
GB/T 32076.3-2015
High-strength structural bolting saaemblies for preloading-Part 3:System HR-Hexagon bolt with large width across flats and nut assemblies
