
CNC Milling Cutter Bits Soild Carbide 3 Flute End Mills for Aluminum. Solid Carbide Material: Made from high-grade tungsten carbide with HRC 45-65 hardness for durability. Aluminum & Copper Cutting: Optimized 3-flute design specifically for cutting aluminum and copper alloys. Customizable Sizes: Diameter ranges from 1mm to 20mm with metric and inch options based on requirements. Multiple Coating Options: Available with AlTiN, TiAlN, TiSiN, TiN, DLC, Nano, and Diamond coatings. OEM/ODM Service: Full customization available from samples or designs with free OEM service. High Speed Performance: Supports working speeds up to 40,000 RPM for efficient metal cutting. Fast Delivery: Samples dispatched in 2-7 days; formal orders delivered in 7-30 days. Strict Quality Control: Each cutter inspected by Zoller measuring machines with traceable raw materials.