General description High toughness and hardness, this 7Pcs M3-M12 Counterbore Milling Cutter set is designed for high-speed cutting with excellent abrasion resistance. It allows for smooth and accurate cutting, making it suitable for direct processing or fine processing of heat-treated molds. This versatile set can mill various materials including copper, aluminum, tool steel, and cast iron, reducing the number of tool changes and improving machine actuator movement rhythm, ultimately saving mold-making time. It is intended for use with milling machines and is compatible with carved and high-speed machines. Technical specifications Model Number: Counterbore Cutter Type: End Mill Length: 48-74 mm Shank diameter: 10 mm Sizes: M3 (3.2 x 6 mm), M5 (5.2 x 8.9 mm), M6 (6.2 x 10.4 mm), M8 (8.2 x 13.4 mm), M10 (10.3 x 16.8 mm), M12 (12.4 x 18.8 mm) Color: Silver Material: Metal Package Contents 7 Mill Cutters Other information