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

High Quality: Genmitsu end mills are made of Tungsten Carbide Steel and 0.2um provides high hardness and heat resistance enabling the tool's cutting edge to retain crucial sharpness and lubricity. This provides longevity and produces cutting results of the highest quality. Cost-Effective: Coming with 4pcs of the 2-flute tapered ball nose spiral end mills, Shank Diameter: 1/4'' (6.35mm), Radius: 0.25, 0.5, 0.75, 1.0mm, Cutting Length: 20mm, Overall Length: 50mm. Versatile: Perfect for 3D machining jobs like molds, rapid prototyping, models and other precision parts processing, these tapered ball nose bits can do the best. Applicable Materials: These Nano blue coating bits have an HRC rating of 65 and are optimal for milling a wide range of materials, including plastics, aluminum, circuit board, wood, etc. Wide Compatibility: Genmitsu TB04B tapered 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 correct-sized collet for your device.