1mm Tungsten Carbide PCB Drill Bits Set for CNC Engraving and Jewelry Making, ProGrade Micro Rotary Tool Bits with One Eighth Inch Shank, High Precision Durable Micro Drill Bits, 10 Pcs

10-Pack 1mm Tungsten Carbide PCB Drill Bits for CNC
✔️ 1mm cutting edge, 9.5mm length, 3mm shank, 38mm overall

These premium tungsten carbide drill bits are built for high-precision PCB drilling, micro engraving, and intricate crafting tasks. They’re commonly used with CNC machines, engraving setups, and PCB drilling equipment to achieve clean, accurate holes with minimal wandering.

✅ 1mm cutting edge diameter, 9.5mm edge length, 38mm overall length, 3mm (1/8") shank
✅ Tungsten carbide material provides high hardness, wear resistance, and long tool life
✅ Spiral flute design lowers cutting force, reduces breakage, and improves accuracy
✅ Suitable for PCBs, plastics, fiberglass, wood, and soft metals with CNC/engraving machines
✅ Olive Green color finish

💡 What is a tungsten carbide PCB drill bit used for in precision CNC engraving? This handy tool is designed for small features on PCBs and micro components. - Handy for drilling tiny, clean holes in PCBs, plastics, fiberglass, and soft metals - Works with PCB drilling machines, engraving CNCs, and other precision equipment - Tungsten carbide delivers long tool life and handles repeated use under high-speed drilling

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