40 Pc PCB Drill Bit Set From 0.1mm To 3.0mm Micro Drill Bits With Spiral Flute Carbide For PCB Engraving CNC Jewelry Metal Stone Crafting Includes Two Boxes 0.1 To 1.0mm One Box 1.1 To 2.0mm And One Box 2.1 To 3.0mm

40-Piece PCB Drill Bit Set for Precise Engraving
✔️ 40pc carbide micro drill bits 0.1-3.0mm in 4 boxes, spiral flute

This 40-piece carbide drill bit set provides tiny, precision bits ideal for PCB drilling, CNC engraving, jewelry and craft work. Each bit is tungsten carbide, with spiral flutes and locating rings to reduce cutting forces and keep your work clean.

✅ Sizes range 0.1-1.0 mm across two boxes for easy selection
✅ 1.1-2.0 mm in a separate box for mid-size projects
✅ 2.1-3.0 mm in the final box for larger holes
✅ Spiral flute carbide tips with locating rings reduce cutting force and drift

💡 What is a PCB drill bit set used for in precision electronics and crafts?

This handy kit makes accurate holes in PCBs, jewelry, plastics, and DIY projects.

- PCB drilling and CNC engraving for electronics and crafts
- Carbide tips resist wear for long service life
- Spiral flute design reduces burrs and debris during drilling
- Locating rings improve alignment for repeatable holes