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Number of entries (Data is updated on a monthly basis): 46674
GB/T 31.2-1988
Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B
GB/T 31.3-1988
Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B
Number of entries (Data is updated on a monthly basis): 46674