CNC Router Bit 3 Flute Up Down Cut Carbide End Mill 3.175-12mm Shank Compression Milling Cutter For Metal Aluminum Cutting Features: 1. Excellent combination of upper and lower blades, SHARP cutting edge; 2. High precision grinded and polished, high abrasion resistance and temperature resistance, good rigidity, not easy to break; 3.No burrs for Up and down spiral machining; 4.High performance, improve the work efficiency, reduce cost; Best Suitable Materials: Compression, MDF could also suitable on below materials: 1.MDF, particle board, board with lagging, log, affixed to the skin panels; 2.Chipboard, composite board, melamine board; 3.Solid wood, native wood, plywood, lotus plate; Applied to: CNC Router Machining Center, Woodworking Machine, Advertising CNC Router, etc; Specification: Type: Up Down Cutter Material: Carbide Flute: 3 Shank: 3.175mm/4mm/5mm/6mm/8mm/10mm/12mm Application: Suitable for cutting AluminumAcrylic, PVC, MDF, plastic, wood, nylon, resin and so on. Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package Including: 1pc UpDown Cutter