... Material:Carbon steel,Stainless steel Specification of our nut: 1.NameDIN6923 Hexagon flange nut2.StandardDIN, IFI ... UNEF, M, BSW, BSF, TR, ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo, ... can offer?1.NameHex nut, Coupling nut, Nylon lock nut, Spring lock nut, Square nut,Wing nut,etc2.StandardDIN, IFI ... , M, BSW, BSF, TR, ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo, ...