GB/T 13807.3-2-1992
Type CP cover nuts(d≥64mm)-Table 2
GB/T 32076.8-2017
High-strength structural bolting assemblies for hex nut
GB/T 32076.8-2017
High-strength structural bolting assemblies for hex nut-washer faced
GB/T 32076.9-2017
High-strength structural bolting assemblies for hex nut
GB/T 32076.9-2017
High-strength structural bolting assemblies for hex nut-washer faced
GB/T 6184-1986
All-metal prevailing torque type hexagon nuts
GB/T 6184-2000
All-metal prevailing torque type hexagon nuts
GB/T 6187.1-2016
Metric all metal hex flange lock nuts,style 2
GB/T 6187.1-2000
Metric all metal hex flange lock nuts,style 2
GB/T 6187.2-2016
Metric all metal hex flange lock nuts, style 2，Fine pitch thread
GB/T 6187.2-2000
Metric all metal hex flange lock nuts, style 2，Fine pitch thread
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Hexagon nuts,Style 1
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Single chamfered small hexagon nut,Style 1
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Hexagon nuts,Style 2
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Single chamfered small hexagon nut,Style 2
GB/T 1231-2024
High strength large hexagon nuts for steel structure
