Flange nut 1)Material: Carbon,stainless steel 2)Size: Un-finite 3) ... :ZW,ZB,ZY,Nickel, ZP.else 4)Tolerance:0.01 Flange nutWhat about our nuts? 1.StandardDIN934,DIN985,DIN315, ISO,JIS ... & ANSI,GB ,BS,ASTM,Nonstandard nut (according to your order)etc.2.Materiallow carbon steel; medium ...