1:Standard:DIN125,DIN9021,DIN433,DIN6916 2.Carbon steel, stainless steel, brass 3.Finish:Zinc,HDG,etc. 4.From M1.6 to M78 1.NameSales promotion for flat washer2.standardDIN125,DIN9021,DIN433,DIN69163.Materialcarbon steel Carbon steel, stainless steel, brass4.Finishzinc plated(Cr,3+);zinc plated(Cr,6+)5.Size #6 - 3"6.Supply abiltity1000 tons per month7.CertificateTS16949;8.PackingBy carbon, then ...