Rievt nut 1.Materials:carbon steel,stainless steel,copper,aluminum 2.Diameter range: M3 -M12 3.Yellow/white/black zinc paint A. Material are available in carbon steel, stainless steel and aluminiumB. Head shape: Flat head, small head, csk headC. Body type: round, knurled, hexagon, blindD. GB sizes:M3 to M12 BS sizes: 5/32, 3/16, 1/4,,5/16, 3/8E. Surface treatment: Yellow/white/black zinc plating ...