... ,Plain Material:Carbon Steel,StainlessSteel,AlloySteel Product NameBolt,Nut,Auto Bolt&Nut,No-Standard Fastener etcMaterialCarbon Steel,35#,45#,40Cr,35CrMo,Stainless Steel ... ,Dacromat,HDG,Protective oilStandardGB,DIN,JIS,ANSI/ASME,ISO and No-StandardPackingStandard neutral carton fastened with plastic ribbon,the package can ...