Genmitsu 4pcs 2 Flute Tapered Ball Nose Spiral End Mill, Nano Blue Coating Tungsten Carbide CNC Router Bits, 2D and 3D Engraving Carving Woodworking R0.25 1.0, 1/4'' Shank, TB04B

High quality: Genmitsu end mills are made of tungsten carbide steel and 0.2 um offer high hardness and heat resistance allowing the tool's cutting edge to retain crucial sharpness and lubricity. This ensures longevity and produces the highest quality cutting results. Economical: comes with 4 2-flute spiral end mills, shank diameter: 6.35 mm, radius: 0.25, 0.5, 0.75, 1.0 mm, cutting length: 20 mm, total length: 50 mm. VERSATILE - Perfect for 3D machining work such as molds, rapid prototyping, models and other precision processing parts, these tapered ball nose bits can do the best. Applicable Materials These blue nano coating bits have an HRC rating of 65 and are optimal for milling a wide range of materials, including plastics, aluminum, PCB, wood, etc. Large Compatibility: Genmitsu TB04B ball-nose spiral end mills are compatible with most desktop CNC machines, such as the Genmitsu 3018 series, as well as other industrial CNC machines. Just make sure you select the right size clamp for your device.