flat round washer 1)Size:M1.7~M50 2)Material: ... :DIN,IFI,BS,ISO 4)Finish:zinc-plated flat round washer Standard: DIN125, DIN126, DIN9021, DIN433,DIN440, DIN7349, ... )Standard:DIN,IFI,BS,ISO 4)Finish:zinc-plated flat washer 1. Standards1. ISO, DIN, AS/NZS, GB, ... according your requirement9.Packing9. standard10.Usd fields10. construction industry, furniture fields and other public equipment11.MOQ11. 50PCS