GB/T 5787-1986
Hexagon head flange bolts-Type A
GB/T 5789-1986
Large Hexagon Head Flange bolts—Type B
GB/T 16674.2-2016
Hexagon bolts with flange with metric fine pitch thread—Small series—Type F
GB/T 16674.1-2016
Hexagon flange bolt of rough flange-Type F
GB/T 5789-1986
Large Hexagon Head Flange bolts—Type A
GB/T 16674.1-2004
Hexagon flange bolt of rough flange-Type F
GB/T 16674.1-2016
Hexagon flange bolt of Fine rod flange-Type U
GB/T 16674.1-2004
Hexagon flange bolt of Fine rod flange-Type U
GB/T 5787-1986
Hexagon head flange bolts-Type B
GB/T 16674.2-2016
Hexagon bolts with flange with metric fine pitch thread—Small series—Type U
GB/T 16674.2-2004
Hexagon bolts with flange with metric fine pitch thread—Small series—Type F
GB/T 16674.2-2004
Hexagon bolts with flange with metric fine pitch thread—Small series—Type U
GB/T 5790-1986
Large hexagon head flange bolts with reduces shank—Type A
GB/T 5790-1986
Large hexagon head flange bolts with reduces shank—Type B
GB/T 5788-1986
Hexagon head flange bolts with reduced shank—Type A
GB/T 5788-1986
Hexagon head flange bolts with reduced shank—Type B
GB/T 16674.3-2023
Hexagon flange bolts-Types U
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
