- GB/T16674-1996 Hexagonal flange bolts small series
- GB/T 5783-2000 Hexagon head bolts full thread
- GB/T 5782-2000 Hexagon head bolts
- GB/T 5781-2000 Hexagon head bolts C - class
- GB/T 5780-2000 Hexagon head bolts - C - class
- GB / T 37-1988 Bolts for T - shaped grooves
- GB / t 29.2-1988 Cross recessed recessed hexagon head bolts
- GB / T 12-1988 Semi - round head square neck bolts
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