Features: 1. This milling cutter is made of tungsten steel with good milling, cutting performance, ensuring high work efficiency. 2. It has sufficient anti-bending strength, wear resistance, high hardness, high wear resistance and high strength. 3. Sharp cutting edges, can be used for milling holes, grooves and edges on plates and the process will be smooth. 4. Well polished surface is quite clean, neat, and there is no glitches or burrs on the shank. 5. Many items or materials can be engraved, such as circuit boards, hardware parts, plastics, copper and stainless steel. Specifications: Material: Tungsten steel Type: Ball nose cutter Overall Length: 7.5cm / 2.95inch Shank Diameter: 12mm / 0.47inch Cutting Edge Radius: 6mm / 0.24inch Cutting Edge Diameter: 12mm / 0.47inch Weight: Approx. 113g Package Includes: 1 x Milling Cutter Note: Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 1、This milling cutter is made of tungsten steel with good milling, cutting performance, ensuring high work efficiency 2、It has sufficient anti-bending strength, wear resistance, high hardness, high wear resistance and high strength 3、Sharp cutting edges, can be used for milling holes, grooves and edges on plates and the process will be smooth 4、Well polished surface is quite clean, neat, and there is no glitches or burrs on the shank 5、Many items or materials can be engraved, such as circuit boards, hardware parts, plastics, copper and stainless steel