... size 3.place of origin:china 4.MOQ:1000 pcs thin flat washer1. Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME ... (plain washer,IFI,ASTM) 3) Lock washers Product name thin flat washer Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS4202. ... .Lead Time7 days to 30 days according to order qty. thin flat washer