0.3mm Tungsten Carbide PCB Drill Bits Set For Rotary Tools Jewelry CNC Engraving Micro Drilling, 1/8 Inch Shank, 38mm Length, Heavy-Duty Wear-Resistant Bits, 20-Piece Collection

0.3mm Tungsten Carbide PCB Drill Bits for CNC Engraving
✔️ 0.3mm edge, 5.5mm length, 38mm (1-1/2 inch) overall, 20-piece

This heavy-duty tungsten carbide drill bit set is designed for precision drilling in PCBs, plastics, fiberglass, wood, and soft metals. It’s compatible with PCB drilling machines, engraving machines, CNCs and other high-precision equipment.

✅ Cutting edge diameter (CED): 0.3mm
✅ Cutting edge length: 5.5mm
✅ Shank diameter: 3mm / 1/8 inch
✅ Overall length: 38mm / 1-1/2 inch
✅ Material: Tungsten Carbide for wear resistance
✅ Applications: PCBs, plastics, fiberglass, wood, soft metals

💡 What is a common question about tungsten carbide PCB drill bits for hobby CNC work?

These bits are handy for precise drilling on hard materials and stay sharp longer than standard steel bits. - They excel at punching holes in PCBs, plastics, fiberglass, and soft metals - Higher hardness equals less wear during high-speed drilling - Sharp cutting edges improve hole quality and reduce edge chipping - Designed to fit PCB drilling machines, engraving machines, and CNC tools ✝️