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OEM Micro - Grain Solid Carbide CNC Carbide Bits With 90V Grooving Sprial Bits Description: Bits are made of micro-grain solid carbide, Produced by Walter CNC grinding machines. This series of tools are used to varving or trimming with the standard specifications. Rotating speed: 12,000-24,000 min OEM and ODM are available Applications: For cutting soft wood, hard wood, Laminated wood( plywood), particleboard and fiberboard(such as MDF, HDF) faced with paper, Plastic or