... .Size: M3-M20 3.Grade: SAE,USS,F436 4.Material:Brass Specification of our washer: 1.NameBrass roset washer 2.StandardDIN ... (303,304,304L,316,316L),Brass(H59,H62)5.SizeM3-M20 6.FinishPlain, Zinc plated,Passivated, Nickle plated, H.D.G., Black Oxided ... ), Stainless steel(303,304,304L,316,316L),Brass(H59,H62)5.FinishPlain, Zinc plated,Passivated, Nickle plated, H.D.G., Black Oxided, Dacromet ...