Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Hex unchamfered
GB/T 6170-2015
Hexagon nuts,Style 1
DIN 934-1987
Hexagon nuts
HG/T 20634-2009
Hexagon nuts for steel pipe with flange
HG/T 20613-2009
Bolting for use with stral pipe falanges-Hexagon nuts,style 1
HG/T 20613-2009
Bolting for use with stral pipe falanges-Hexagon nuts,style 1,with fine pitch thread
HG/T 20634-2009
Hexagon nuts-Style 1
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type I
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type II
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 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
