... steel, stainless steel, brass 3.Finish:Zinc,HDG,etc. 4.From M1.6 to M78 1.Name Black plated washer 2.standardDIN125 ... ,DIN9021,DIN433,DIN69163.Materialcarbon steel Carbon steel, stainless steel, brass4.FinishBlack plated5.Size #6 - 3"6 ... days(Our delivery time should be according to your order); Black plated washer