PCB Carbide Micro Twist Drill Bits Driiling Bit for CNC Engraving 0.15mm – 2.5mm Data de publicação 31 de julho de 2026 Nenhum comentário em PCB Carbide Micro Twist Drill Bits Driiling Bit for CNC Engraving 0.15mm – 2.5mm Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;. Good quality.