... 8.0 ,true 8.0,8.8 and etc;materialcarbon steel(incude A3#,34#,45#,etc,),brass;surface finishedplain;yellow, white ... screws, self tapping screws, self drilling screws, set screws, hex socket head cap screws, wood screws.Rivet: solid rivet, blind rivet ... Control EquipmentStrong PackageMode of TransportationThe Best Choice for You DIN934 Stainless Steel Hexagon Nuts