ULTIMATE PRECISION: Our ZrN coated bits last longer and resist heat buildup; our CNC router bits have a tougher cutting edge which helps to prevent the build-up of material in the flutes while cutting IDEAL FOR CUTTING: Aluminum, Brass, Copper, Acrylic / Plastic, Composites, Epoxy, HDPE, High Pressure Laminate (HPL), PVC, Sign Foam, Solid Surface, Wood TAPERED ANGLE BALL TIP ROUTER BIT DIMENSIONS: 46284; 1 Degree Tapered Angle Ball Tip 1/8 Diameter x 1/16 Radius x 1-1/2 x 1/4 Shank x 3 Inch Long x 3 Flute SOLID CARBIDE: Amana Tool solid carbide router bits ensure long-lasting cutting edge performance and tool life; delivering repeatable precision for a variety of cutting projects INDUSTRIAL-QUALITY TOOLS: Amana Tool is an industry leader for over 50 years specializing in industrial quality cutting tools for the woodworking, plastics, aluminum, composite, and metal