1.Name:Round thin nuts 2.Size: M8-M48 3.Grade:Gr.2, ... , TR, ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20) ,Stainless steel(303,304,304L,316,316L ... , TR, ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20),Stainless steel(303,304,304L,316,316L ...