... Steel4.GradeDIN,ISO:4,5,6,8,10etc;SAE:A,2,5,8;etc5.FinishZinc plated(Cr ... we supply? 1.NameHex Nut;Square Nut;Nylon lock nut; hexagan domed cap nut; butterfly nut;wing nut;2.StandardDIN934,DIN985,DIN315,DIN1587 ... , ISO,JIS& ANSI,GB ,BS,ASTM,Nonstandard nut (according to your order)etc.3.Materiallow carbon steel ... steel;stainless steel,etc.4.GradeDIN:4-12: SAE GR.A-GR.85.FinishPlain;black; zinc plated( ...