uxcell PCB Drill Bits 0.4mm Tungsten Carbide Rotary Tool Jewelry CNC Engraving Print Circuit Board Micro Drill Bits 1/8 Inch Shank 2 Set (20 Pcs)

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About Uxcell PCB Drill Bits 0.4mm Tungsten Carbide Rotary

Features:Cutting Edge Diameter (CED): 0.4mmCutting Edge Length: 6.5mmShank Diameter: 3mm / 1/8" (approx.)Overall Length: 38mm / 1-1/2" (approx.)Cutting Edge Material: Tungsten CarbideShank Material: HSS (High Speed Steel)Package Included:2 Set (20 Pcs) x PCB Drill Bits with Protection BoxDescription: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 shaper 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.