Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Hex unchamfered
GB/T 6170-2015
Hexagon nuts,Style 1
GB/T 9125-2010
Fasteners for pipe flange joints—Hexagon nuts—Type 1
GB/T 32076.3-2015
High-strength structural bolting saaemblies for preloading-Part 3:System HR—High strength large hexagon nuts
GB/T 32076.7-2015
High-strength structural bolting saaemblies for preloading-Part 7:System HV—High strength large hexagon nuts M39～M64
GB/T 32076.4-2015
High-strength structural bolting saaemblies for preloading-Part 4:System HV—High strength large hexagon nuts
GB 51-1976
Small hexagon nuts
GB/T 6171-2000
Hexagon nuts,style 1,with fine pitch ehread
GB 52-1976
Hexagon nuts
GB 53-1976
Hexagon thin nuts
GB 54-1976
Hexagon nuts
GB 55-1976
Hexagon thick nuts
GB/T 6175-2016
Hexagon nuts,style 2
GB/T 18195-2000
Hexagon nuts for fine mechanics
GB/T 6176-2016
Hexagon nuts,style 2,Fine pitch thread
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)
