... 18 2.2 hex thin nut 2.Material:Stainless steel A2-70 3.Finsh:zinc,black,chrome,nickel 4.Thickness:Thin ... nut Stainless steel A2-70 ANSI, B 18 2.2 hex thin nutProducts Details ... , 1, 1-1/4, 1-1/2 Material: Stainless steel A2-70 Finish: zinc,black,chrome,nickel Quality: High-quality raw ...