... , brass 3.Finish:Zinc,HDG,etc. 4.From M1.6 to M78 1.NameA various of washer2.standardDIN125,DIN9021,DIN433,DIN69163.Materialcarbon ... , stainless steel, brass4.FinishBlack plated5.Size #6 - 3"6.Supply abiltity1000 tons per month7.CertificateTS16949;8.PackingBy carbon, then by pallet;9.Delivery ...