NBEADS 60 Pcs 10 Sizes PCB Drill Bits, 6 Boxes 0.3mm-1.2mm CNC Engraving Micro Drill Bit Spiral Flute Carbide Tool for Circuit Print Stone Board Carving and Sculpting

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NBEADS 60 Pcs 10 Sizes PCB Drill Bits, 6 Boxes 0.3mm-1.2mm CNC Engraving Micro Drill Bit Spiral Flute Carbide Tool for Circuit Print Stone Board Carving and Sculpting