flat washers 1.Standard:ANSI,ASME,DIN,BS,NEF,JIS,GB 2. ... :M3-M76 3.Finish:plain,zinc,black,nickel,chrome,etc flat washers1.Standard:ANSI,ASME,DIN,BS,NEF,JIS,GB2.Size ... than ten years experience in producing flat washer,we try our best to improve our quality,and we pay more to our ... strict quality,As a result,our products and services have a high standard and are very popular among the customers.