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Features: PCB drill bit (carbide micro drill bit Plating titanium) Carbide rods and tungsten steel rods, with high hardness, high wear resistance, high strength, resistance to bending, anti-impairment and long tool life. Coated with titanium, improve the speed and feed rate of the tool, improve the surface wear resistance.Range of processing: PCB, SMT, the CNC, mold, plastic, copper, stainless steel and other precision metal parts processing. Great for PC Boards, Plastics, Fiberglass, Wood, Soft Metals, etc.