PCB Drill Bits 0.3mm Tungsten Carbide Jewelry CNC Engraving Circuit Board Micro Drill Bits 1/8 Shank 1Set (10Pcs)

Description: 1. Long Tool Life: With high hardness high wear resistance high strength resistance to bending anti-impairment. Long-lasting bits are made from Tungsten Carbide for precise easy experience. 2. Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge reduce cutting force and prevent drill broken improve the drilling accuracy. 3. High Precision: With sharp cutting edge milling groove and clean surface these sets of tool work quickly and cleanly no glitches or scrap left. 4. Great Use: Great for PC Boards Plastics Fiberglass Wood Soft Metals. Fit for: PCB drilling machines engraving machine CNC and high precision special drilling equipment. 5. Good Replacements: Carbide PCB Drill Bits replace your CNC machines and any hand held tool. Large drill bit chip space chip resistance chip smooth small drilling heat. Note: The drill bits are too tiny so it is very fragile for handling. Please be careful and take good control of your CNC speed.