TB04B, 1/4" Shank, 2-Flute, Tapered Ball Nose, Spiral End Mill, 4 Pcs

High Quality: The Genmitsu end mills are made of Tungsten Carbide Steel and 0.2um ultra-fine 0.2μm tungsten carbide steel alloy that can keep continuous machining 800 minutes. Moreover, its Nano Blue Coating with provides high hardness and heat resistance enablinges 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  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.