GB/T 16674.3-2023
Hexagon flange bolts-Type F
GB/T 16674.3-2023
Hexagon head flange bolts with reduced shank-Type U
GB/T 16674.3-2023
Hexagon head flange bolts with reduced shank-Type F
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Hexagon head bolts
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Hexagon head bolts with fine pitch thread
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Double end studs
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-Double end studs(L≤2b)
GB/T 9125.1-2020
Fasteners for steel pipe flange joints-Part 1:PN designated-All thread studs for pipe flange
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 9074.17-1988
Hexagon head bolt, spring and plain washer assemblies
GB/T 9074.16-1988
Hexagon head bolt and external teeth serrated lock washer assemblies
GB/T 9074.15-1988
Hexagon head bolts and spring washer assemblies
GB/T 9074.14-1988
Hexagon head bolt and plain washer assemblies
GB/T 5782-2025
Hexagon head bolts
GB/T 5783-2025
Hexagon head bolts-Full thread
GB/T 31.2-2025
Hexagon bolts with split pin hole on shank-reduced shank
GB/T 32.2-2025
Hexagon head bolts with reduced shank
