ASTM A325 Heavy Hex Structural Bolts 1.Standard:DIN,ANSI,ISO 2.Material:35#,45#, ... SUS316Surface treatmentZinc,Chrome,Black,Nickel,Dacromat,HDG,Protective oilStandardGB,DIN,JIS,ANSI/ASME,ISO & No-StandardPackingStandard neutral ... range of product:BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye bolts, U bolts, hook boltsNUTS: ...