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3 Flutes Compression Spiral Bit With Chipbreaker Micro - Grain Solid Carbide CNC Carbide Bits Micro - Grain Solid Carbide 3 Flutes Compression Spiral Bit with Chipbreaker for cutting wood, Laminate,artificial stone, plastic,PVC Description: Bits are made of micro-grain solid carbide, Produced by Walter CNC grinding machines. The series of tools are used to cut wood board with double-side thin slices. It is easy to cut with low resistance, and the surface processed is smooth.