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Xinchun Fastener

Alloy steel hexagon socket head cap screws(Material SCM435/SCM440/B7/42CRMOA)


Corresponding standard:GB /T5783-2000 Hexagonal head bolts Full thread A and B grade

Corresponding standard:GB /T5783-2000 Hexagonal head bolts Full thread A and B grade


Key words: external hexagon bolt

Product Details

Corresponding standard:GB /T5783-2000 Hexagonal head bolts Full thread A and B grade

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