Solid Carbide Micro Drill Bits 0.05mm-3.0mm Tungsten Carbide PCB Twist Drill for HDI Circuit Board CNC Microvia Drilling

Solid Carbide Micro Drill Bits 0.05mm-3.0mm Tungsten Carbide PCB Twist Drill for HDI Circuit Board CNC Microvia Drilling. Ultra-Fine Grain Material: Made from ultra-fine grain tungsten carbide for superior hardness and wear resistance. Wide Diameter Range: Supports drilling diameters from 0.05mm to 3.0mm for ultra-small hole machining. Multiple Coating Options: Available with TiN, TiAlN, and diamond coatings to reduce friction and extend life. Internal Coolant Option: Optional internal coolant holes for efficient cooling and chip removal in deep holes. Customizable Geometry: Customizable special lengths, step diameters, and coating formulas for unique needs. Anti-Vibration Design: Balanced core thickness and optimized geometry prevent bending and breakage. Versatile Material Processing: Suitable for PCB, copper, aluminum, stainless steel, titanium, and hardened steel.