1.Name:Hex flange metal lock nut 2.Meterial:Carbon steel 3.Finish: ... the specification of our Hex Flange metal Lock Nut? 1.NameCarbon steel zinc plated hex flange metal ... we supply? 1.NameHex Nut;Square Nut;Nylon lock nut; hexagan domed cap nut; butterfly nut;wing nut;2.StandardDIN934,DIN985,DIN315, ... , ISO,JIS& ANSI,GB ,BS,ASTM,Nonstandard nut (according to your order)etc.3.Materiallow carbon steel ...