GB/T 9074.11-1988

Cross recessed hexagon bolt with indentation and plain washer assemblies

GB/T 9074.12-1988

Cross recessed hexagon head bolt with indentation and spring washer assemblies

GB/T 9074.13-1988

Cross recessed hexagon head bolt with indentation , spring and plain washer assemblies

GB/T 9074.1-S1-2018

Hexagon head screws and plain washer assemblies

GB/T 9074.1-S1-2018

Hexagon head screws and large plain washer assemblies

GB/T 9074.1-S2-2018

Hexagon head bolts and plain washer assemblies

GB/T 9074.1-S2-2018

Hexagon head bolts and large plain washer assemblies

GB/T 9074.1-S12-2018

Hexagon bolts with flange-Small series with Types F-Plain washer assemblies

GB/T 9074.1-S12-2018

Hexagon bolts with flange-Small series with Types F-large plain washer assemblies

GB/T 9074.1-S12-2018

Hexagon bolts with flange-Small series with Types U-Plain washer assemblies

GB/T 9074.1-S12-2018

Hexagon bolts with flange-Small series with Types U-Large plain washer assemblies

GB/T 9074.1-S13-2018

Hexagon bolts with flange with metric fine pitch thread—Small series with Types F-Large plain washer assemblies

GB/T 9074.1-S13-2018

Hexagon bolts with flange with metric fine pitch thread—Small series with Types F-Plain washer assemblies

GB/T 9074.1-S13-2018

Hexagon bolts with flange with metric fine pitch thread—Small series with Types U-Plain washer assemblies

GB/T 9074.1-S13-2018

Hexagon bolts with flange with metric fine pitch thread—Small series with Types U-Large plain washer assemblies

GB/T 9074.1-S1-2002

Hexagon head screws and plain washer assemblies

GB/T 9074.1-S1-2002

Hexagon head screws and large plain washer assemblies

GB/T 9074.1-S2-2002

Hexagon head bolts and plain washer assemblies

GB/T 9074.1-S2-2002

Hexagon head bolts and large plain washer assemblies

GB/T 9074.13G-1988

Cross recessed hexagon head bolt with indentation , spring and large plain washer assemblies