1.Name:DIN127 Spring lock washer 2.Size: M2-M100 3.Grade: SAE,USS,F436 4.Material:Carbon steel, ... ), Stainless steel(303,304,304L,316,316L),Brass(H59,H62)5.Size M2-M1006.FinishPlain, Zinc plated,Passivated, Nickle plated, H.D ... ), Stainless steel(303,304,304L,316,316L),Brass(H59,H62)5.FinishPlain, Zinc plated,Passivated, Nickle plated, H.D.G., Black ...