High Strength Nuts 1.Standards:ISO,DIN,ANSI,BS 2.Material:stainless steel,carbon steel 3.Finish:Plain,ZP,YZP,Black,HDG,PTFE High Strength Nuts1.Standards:ISO,DIN,ANSI,BS 2.Material:stainless steel,carbon steel 3.Finish:Plain,ZP,YZP,Black,HDG, Nickel, Chrome,Teflon or PTFE Certificate:ISO9001;SGS,3-1 CERTIFICATESProduct name:High Strength NutsStandard:DIN934,DIN555,DIN6915,ISO4032,A563,A563M,A194 ...