Carbide PCB Drill Bit Set Spiral Flute 0.3mm To 1.2mm For Dremel CNC Engraving PCBs Jewelry Stone Glass Etching Pro Grade Heavy Duty Pack Of 50 High Hardness Wear Resistant Cemented Carbide Bits

Premium cemented carbide PCB drill bit set for engraving 0.3-1.2mm
✔️ 50-piece pack, sizes 0.3-1.2 mm, cemented carbide bits

These high hardness drill bits are cemented carbide tools built for precise drilling on PCBs, resin, glass, and soft stones. They work with Dremel, CNC engravers, and rotary tools, delivering clean, accurate holes with reduced breakout.

✅ Diameter range: 0.3-1.2 mm in 0.1 mm steps
✅ Pack of 50 pieces total (5 per size)
✅ Material: cemented carbide with HSS for high hardness and wear resistance
✅ Spiral flute design for efficient cut and chip removal
✅ Suitable for PCB drilling, engraving on glass, resin, and stone
✅ Ring color may vary from photo; sizes remain accurate

💡 What is a carbide drill bit set used for in electronics and crafts? Carbide bits are handy tools for precise drilling on hard materials like PCBs, glass, and resin. They offer long life and reliable results.
- for PCBs and jewelry engraving with clean edges
- works with Dremel, CNC, and handheld micro drills
- designed for hard materials that wear out standard bits
- ideal for hobbyists and small shops tackling detail work