40 Pcs PCB Micro Drill Bit Set 0.1mm To 1.0mm Shank Spiral Tungsten Steel Carbide Bits For PCB Circuit Board Engraving CNC Router Jewelry Making Rough Stone Print

Premium PCB micro drill bit set for precise machining
✔️ 40 piece tungsten steel PCB drill bit set, 0.1-1.0mm, 4 pcs

This 40-piece PCB micro drill bit set is crafted from tungsten steel for precision drilling on circuit boards, jewelry, acrylics, and other small parts. It's a perfect fit for electronics prototyping, CNC engraving, and hobby projects where clean, accurate holes matter.

✅ 10 sizes: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 mm, 4 pcs per size
✅ Premium tungsten steel for wear resistance and high hardness
✅ Sharp cutting edges and clean milling grooves for precise holes
✅ Storage in a secure plastic box for safe transport and protection

💡 What is a PCB drill bit set used for in electronics and hobby projects? This handy tool helps create tiny, clean holes in boards and other soft materials.
- Handy for electronics prototyping, circuit board assembly, and jewelry making
- Tungsten steel carbide construction resists wear for long life and stable diameters
- Ideal for CNC engraving, acrylics, plastics, and small metal parts