... ISO9001-2008,SGS,ROHS thin flat washer 1)DIN125,DIN9021,DIN127,USS,SAE2)M1.6-M1003)Carbon Steel,Stainless steel4 ... 36cartons/pallet.Or according to buyers' instructions Product name thin flat washer Material1.Stainless Steel: SS201, SS303, SS304, SS316, ... etc5.Iron: 1213, 12L14,12156.Aluminum: Al6061, Al6063 SpecificationM1.6-M100ColorPlain, blue plated, white plated, yellow plated,black.StandardISO,GB ...