10Pcs 4 Flute 90 Degree 1/4″x3/4″x2-1/2″ Solid Carbide Drill Mill – AlTiN Coated
AlTiN coating for improved performance: The surface uses advanced AlTiN coating technology to significantly improve the heat resistance and oxidation resistance of the tool, suitable for high-speed cutting and difficult to process materials, and improve processing efficiency.