Flat washer 1)Material: Carbon,stainless steel 2)Size: Un-finite ... ,ZB,ZY,Nickel, ZP.else 4)Tolerance:0.01 Flat washerWhat about our flat washers? 1.StandardDIN125,DIN126,DIN9021, SAE,USS,F436 ... flat washer, Bevel washers,Nonstandard flat washer etc.MaterialWaste material;low carbon steel; medium carbon ...