Solid Carbide Micro Drill Bits Tungsten Carbide PCB Drill Bits 0.05mm-3.0mm High Precision Mini Twist Drill for CNC Electronics HDI Board

Solid Carbide Micro Drill Bits Tungsten Carbide PCB Drill Bits 0.05mm-3.0mm High Precision Mini Twist Drill for CNC Electronics HDI Board. Ultra-Fine Grain Material: Made from ultra-fine grain tungsten carbide for superior hardness and wear resistance. Wide Diameter Range: Supports ultra-small diameters from 0.05mm to 3.0mm for precision micro-hole machining. Multiple Coating Options: Available with TiN, TiAlN, and diamond coatings to reduce friction and extend service life. Internal Coolant Holes: Optional internal coolant hole versions for efficient cooling and chip removal in deep holes. Customizable Dimensions: Customization available for special lengths, step diameters, shank size, and point angle. Anti-Vibration Design: Balanced core thickness and optimized geometry prevent bending and ensure stability. Versatile Material Compatibility: Suitable for PCB, copper, aluminum, stainless steel, titanium alloy, and hardened steel.