Hex Bolts And Nuts, Fasteners 1.material:carbon steel,SS,brass/copper 2.finish:ZP,HDG,plain,black hex bolts and nuts, fasteners Product Namehex ... bolts and nuts, fastenersStandardDIN,ANSI,JIS,etcMaterialcarbon,alloy,steelFinishzinc,black ... ,T/TDelivery time30-45daysSupply ability200 tons per month Hex Bolts And Nuts, Fasteners