10Pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm To 1.2mm For Printed Circuit Board Stone Jewelry Engraving On CNC Dremel Premium Tungsten Steel Construction For Long Lasting Precision Drilling For DIYers And Pros

Premium 10-Piece Tungsten PCB Drill Bit Set for Precision
✔️ 0.3-1.2 mm sizes, tungsten steel, clean burr-free holes

These premium carbide drill bits are built for precision work on PCB boards, circuit boards, jewelry components, and model parts. They’re ideal for CNC mills, Dremel, and other handheld tools, keeping your micro-drilling projects tidy and accurate with minimal burrs.

✅ Premium tungsten steel construction for long-lasting durability and wear resistance.
✅ 10 included sizes: 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm.
✅ High-precision cutting edges and precision-milled grooves to minimize burrs.
✅ Organized plastic case with size-marked slots for quick access.
✅ Suitable for PCB drilling, circuit boards, jewelry, 3D printer nozzle cleaning, and model making.

💡 What is a PCB drill bit set used for in precision electronics and crafting? This handy kit helps you drill tiny, precise holes on PCB boards and small components. - Ideal for drilling 0.3-1.2 mm holes on PCBs and jewelry parts - Tungsten steel carbide provides long life and sharp cuts - Comes in a labeled plastic case for quick access