GB/T 9125-2010
Fasteners for pipe flange joints—Double end studs—Commodity fastener
GB/T 9125-2010
Fasteners for pipe flange joints—All- thread studs for pipe flange
GB/T 9125-2010
Fasteners for pipe flange joints—Double end studs—Special fastener
GB/T 9125-2010
Fasteners for pipe flange joints—Hexagon nuts—Type 1
GB/T 9125-2010
Fasteners for pipe flange joints—Large hex nut
GB/T 32076.3-2015
High-strength structural bolting saaemblies for preloading-Part 3:System HR-Hexagon bolt with large width across flats and nut assemblies
GB/T 32076.3-2015
High-strength structural bolting saaemblies for preloading-Part 3:System HR—High strength large hexagon nuts
GB/T 78-2007
Hexagon socket set screws with cone point
GB/T 77-2007
Hexagon socket set screws with flat point
GB/T 29.1-2013
Hexagon head bolts with slot on head
GB/T 2674-2004
6-Lobe socket 90° oval head screws
GB/T 2673-2007
6-Lobe 90° flat head screws
GB/T 2672-2004
6-Lobe pan head screws
GB/T 6190-1986
6-Lobe cap screws，class 4.8
GB/T 2671.2-2004
6-Lobe cap screws
GB/T 2671.2-2004
6-Lobe knurled cap screws
GB/T 2671.1-2004
6-Lobe low cap screws
GB 945-1976
Cross recessed fillister haed screws
GB/T 31.2-1988
Hexagon bolts with split pin hole on shank-reduced shank
GB/T 84-1988
Square set screws with cup point
