... Flange metal Lock Nut? 1.NameCarbon steel zinc plated hex flange metal lock nut2.standardASTM,DIN,ISO,BS,AS ... ,JIS,etc3.MaterialCarbon Steel4.GradeDIN,ISO:4,5,6 ... 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 ( ...