... 1.Name:Zinc plated cup washer 2.Size: M6-M20 3.Grade: SAE,USS,F436 4.Material:Carbon steel,Stainless steel Specification of ... 1045), Stainless steel(303,304,304L,316,316L),Brass(H59,H62)5.SizeM6-M206.FinishPlain, Zinc plated,Passivated, Nickle plated, H.D ... MaterialCarbon steel(Q235,#1035,#1045), Stainless steel(303,304,304L,316,316L),Brass(H59,H62)5.FinishPlain, Zinc plated,Passivated, Nickle plated, H ...