Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Hex unchamfered
GB/T 18230.4-2000
Hexagon nuts for structural bolting with large width across flats,style 1—Property class 10
GB/T 18230.3-2000
Hexagon nuts for high-structural bolting with large width across flats—Property classes 8 and 10
GB/T 18230.6-2000
Hexagon nuts for structural bolting,style 1,hot-dip galvanized—Property classes 5、6 and 8
GB/T 18230.7-2000
Hexagon nuts for structural bolting,style 2,hot-dip galvanized—Property class 9
GB/T 1229-2006
Hexagon nuts for high strength structural bolting with large width across flats—Property classes 8 and 10
GB/T 6172.1-2016
Hexagon thin nuts(chamfered)
GB/T 56-1988
Hexagon thick nuts
GB/T 6173-2015
Hexagon thin nuts , Fine pitch thread
GB/T 41-2016
Hexagon nuts
ISO 4032-2001
Hexagon nuts,Style 1
ISO 4033-2001
Hexagon nuts,style 2
ISO 4034-2001
Hexagon nuts
ISO 4035-2001
Hexagon thin nuts(chamfered)
ISO 4166-1979
Hexagon nuts for fine mechanics
ISO 4775-1984
Hexagon nuts for high-strength structural boltinig with large width across flats—Property classes 8 and 10
ISO 7413-1984
Hexagon nuts for structural bolting, style 1, hot-dip galvanized(over tapped)—Property classes 5,6 and 8
ISO 7414-1984
Hexagon nuts for structural bolting with large width across flats,style 1
ISO 7417-1984
Hexagon nuts for structural bolting—style 2,hot-dip galvanized(oversize tapped)—Property class 9
DIN 439-2-1987
Chamfered hexagon thin nuts
DIN 555-1987
M5 to M100×6 hexagon nuts
