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

GB/T 29.1-2013

Hexagon head bolts with slot on head

QJ 2367-1992

Hexagon bolts with split pin hole on shank

GB/T 31.2-1988

Hexagon bolts with split pin hole on shank-reduced shank

GB/T 31.3-1988

Hexagon bolts with split pin hole on shank-fine pitch thread

GB/T 32.2-1988

Hexagon head bolts with reduced shank

GB/T 32.3-1988

Hexagon bolts with wire holes on head-fine pitch thread

GB/T 27-1988

Hexagon fit bolts with dog point

GB/T 28-1988

Hexagon head fit bolts with split pin hole on shank

GB/T 18230.2-2000

Hexagon bolts for high-strength structural bolting with large width across flats(short thread)-Property classes 8.8 and 10.9

GB/T 32076.7-2015

High-strength structural bolting saaemblies for preloading-Part 7:System HV-Hexagon bolt with large width across flats and nut assemblies M39～M64

GB/T 32076.4-2015

High-strength structural bolting saaemblies for preloading-Part 4:System HV-Hexagon bolt with large width across flats and nut assembliess

GB/T 18230.1-2000

Hexagon bolts for structural bolting with large width across flats-Property classes 8.8 and 10.9

ISO 4016-1999

Hexagon head bolts

DIN 558-1987

Hexagon head screws threaded up to the head

DIN 601-1987

Hexagon head bolts

DIN 931-2-2009

Hexagon head bolts

DIN 7964-1990

Hexagon head screws with waisted shank-K end

DIN 7964-1990

Hexagon head screws with waisted shank-Sp end