Tools Extra Long Ball Nose Carbide End Mill, CNC Cutting Tools for Aluminum Cutting,Wood Cutting, More Wear Resistant, Suit for 3D Carving & Engraving. 2 Flute Router Bits (5/8-4" 1pcs

DLC Black Coating :All end mill set with Diamond-Like Coating surface hardness:HV9000, Low coefficient of friction(=0.08-0.15)Strong adhesion resistance | Material:HRC62 ultrafine grain tungsten carbide, toughness and hardness and wear resistance | Manufacturing:Five-axis high precision grinding machine, keep the carbide router bits Stable and controllable. Quality Control:Each milling bit will be tested on the detecting instrument and laser a code | Precision: The Sharp Cutting edge with perfect circular shape will be ideal for precision machining of curved surfaces and 3D carving. Application:Excellent performance for machining types of wood and Aluminum, like: Cast Aluminum Alloys (HB 75 - 130), and Copper and copper alloys (bronze/brass) (HB 90 - 300). Hardwoods, softwoods, plastic, PVC and Acrylic | Inch Size and Diameter Tolerance:Diameter 5/8- Cutting Edge Length 2.0" - Overall Length 4.0" Diameter Tolerance:+0.00mm to -0.02mm