10Pcs/lot 3.175 Shank Carbide PCB Drill Bits For Print Circuit Board Mini CNC Drilling Bit Set Micro Engraving Endmill 1mm 2mm

10Pcs/lot 3.175 Shank Carbide PCB Drill Bits For Print Circuit Board Mini CNC Drilling Bit Set Micro Engraving Endmill 1mm 2mm

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