Product Description Genmitsu end mills are high-performance tools made from ultra-fine 0.2μm tungsten carbide alloy, featuring advanced Nano Blue/Titanium coatings for enhanced durability. Available in various configurations, including 2-flute spiral flat nose and ball nose options, they cater to a wide range of materials such as plastics, aluminum, circuit boards, and wood. With cutting diameters from 0.8mm to 3.0mm, the MC40A end mills are compatible with most desktop and industrial CNC machines, making them ideal for both hobbyists and professionals. TB04A Router Mills Details High Quality: Genmitsu end mills are made from ultra-fine 0.2μm tungsten steel with a Nano Blue Coating, allowing for 800 minutes of continuous machining. Cost-Effective: The set includes four 2-flute tapered ball nose end mills with a 3.175mm shank diameter and various radius options. Versatile: Ideal for 3D machining tasks like molds and rapid prototyping. Applicable Materials: The HRC 65 coating allows for milling plastics, aluminum, circuit boards, and wood. Wide Compatibility: Compatible with most desktop and industrial CNC machines, requiring the correct collet size.