10 PC Micro Drill Bit Set For PCB Engraving Tungsten Carbide Bits Ranging 0.3 To 1.2mm Tiny Twist Bits With Large Chip Clearance For Precision Holes In Electronics DIYers And Circuit Board Projects

10pc micro drill bit set for precise PCB engraving
✔️ Carbide micro bits 0.3-1.2 mm with large chip clearance

This 10-piece carbide micro drill bit set is built for PCB work and electronics prototyping. The 0.3 to 1.2 mm sizes let you dial in exact hole sizes for vias and mounting holes in FR4, copper-clad boards, and other circuit-board materials.

✅ Includes 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm
✅ Tungsten carbide construction for long life and sharp edges
✅ Large chip clearance for clean walls and reduced debris
✅ Precision grind edges reduce cutting force and breakage
✅ Suitable for PCBs, FR4, acrylic, and related electronics substrates

💡 What is a PCB micro drill bit set used for in electronics assembly? This handy set helps create tiny holes and vias in circuit boards for exact wiring and component mounting. 1. ideal for drilling vias in FR4 and copper-clad boards 2. improves wall quality with sharp carbide tips 3. compatible with handheld micro drills and small CNC rigs 4. durable carbide edges resist wear and chipping