CNC Milling Tools Carbide Milling Cutters 4 Flute Square End Mill Tools. High Hardness Grades: Available in HRC45, HRC55, HRC58, HRC60, and HRC65 for diverse material processing. Advanced Coating Options: Offers AlTiN, TiAlN, TiSiN, TiN, DLC, Nano, and Diamond coatings for enhanced performance. Wide Material Compatibility: Suitable for plastic, wood, aluminum, copper, cast iron, steel, titanium, and heat-treated alloys. Superior Raw Material: Manufactured with high toughness, grain-sized carbon tungsten for extended tool life. Efficient Chip Removal: Smooth and wide flute design ensures easy removal of cuttings and improved efficiency. Abrasion Visibility: Orange coating allows for easy recognition of any abrasion on the tool surface. High Precision: Precision tolerance ranges from 0.005mm to 0.01mm for accurate machining results.