0.1-3.0mm Tungsten Carbide Micro Mini Drill Bits for PCB CNC Dremel Rotary Tools

10 PCB Drill Bits. Notes before buying (3) High hardness, wear resistance, and intensity; anti-bending;. 0.1-1.0mm,0.3-1.2mm,0.6-1.5mm,1.5-2.4mm,2.1-3.0mm,1.1-2.0mm.

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