CNC Router Bit End Mill with ER Collet Chuck Milling Cutter Carving Bit Flat End Mill Woodworking Milling Tools Features: 1. High hardness, high wear resistance, high strength. Have sufficient bending strength and wear resistance.Use of ultra-fine grain carbide material with good milling, cutting performance, ensure high work efficiency. 2.High hardness, high wear resistance, high strength. Have sufficient bending strength and wear resistance. 3. Can be used with 1610, 3018, 3018pro and other engraving machines. 4. Advantage: Sharp cutting edge, milling, hole and plate edge, clean surface, neat, no glitches. 5. Range of processing:PCB, SMT, CNC, Mould, plastic, carbon fiber, wood, printed circuit board, other precision parts processing. Specification: Type: Engraving Bit Set Material: Tungsten Carbide Coating: Nano Blue Coated Shank: 1/8''(3.175mm) Size: 10pcs 3.175x17mm Flat End Mill 10pcs 0.8-3.0mm Milling Cutter 10pcs 20Dx0.1mm CNC Carving Bit 7pcs ER 11 Collet Chuck Note Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Including: 1 Set CNC Engraving Bit