standard:DIN,ANSI/ASME,JIS,BSW Material grade:XM7(302HQ),304, ... supplied at timeDIN6916 heavy-duty washer 1.Size:M3-M64 2.Standard:DIN,ISO,GB,IFI and NON-STANDARD 3.Finish:PL,ZP ... ,HDG DIN6916 heavy-duty washer1.Size:M3-M642.Standard:DIN,ISO,GB,IFI and NON-STANDARD3.Finish:PL,ZP ... , pallet or bulk is according to the clients. stainless steel washer,bolt,nut,screw