Pro Grade 20 Piece Micro Drill Bit Set Tungsten Steel CNC Router Bits For PCB Engraving Jewelry Making And Stone Work 0.1 To 1.0 mm Shank Ultra Hard Wear Resistant Cutting Edge High Precision Nano Spiral Bits

20-piece tungsten micro drill bits for PCB engraving
✔️ 0.1 to 1.0 mm sizes with nano spiral edge for precision

This micro drill bit set is crafted from tungsten steel for ultra-hard wear resistance and precise cutting. It's ideal for drilling tiny holes on PCBs, jewelry components, glass, Bakelite, amber beeswax, and other delicate materials, making it a handy choice for electronics prototyping and craft work.

✅ Material: tungsten steel, high hardness and wear resistance
✅ Sizes: 0.1 to 1.0 mm, 10 sizes from 0.1 to 1.0
✅ Cutting edge: nano spiral cutting edge reduces cutting force and breakage
✅ Applications: drilling PCBs, CNC engraving glass, amber beeswax, Bakelite, jewelry, plastics
✅ Pack: 20 pieces, mixed colors, net weight 74 g, bag packing

💡 What is a micro drill bit set used for in precision electronics and craft projects?

This handy kit helps you drill tiny, clean holes in PCBs, jewelry, glass, and plastics. - Tiny holes for PCBs, jewelry, and small parts - Tungsten steel with nano spiral edge reduces heat and wear - 0.1 to 1.0 mm sizes give precise control - Suitable for PCB work, CNC engraving, jewelry making, glass and plastics