... s the specification of our Hex Flange metal Lock Nut? 1.NameCarbon steel zinc plated hex flange ... metal lock nut2.standardASTM,DIN,ISO,BS,AS,JIS,etc3 ... can 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 ...