Ultra Smooth 10 Pc Tungsten Carbide Micro Drill Bit Set For PCB CNC Engraving And Jewelry Making DIY Friendly 1.1mm To 2.0mm Bits With One Eighth Inch Shank For Circuit Boards Soft Metals Plastics And Delicate Woodwork
✔️ 10 pc tungsten carbide PCB drill bit set, 1.1-2.0 mm diameters, 3 mm shank
This 10-piece tungsten carbide micro drill bit set is designed for PCB drilling, CNC engraving, and fine work on soft metals, plastics and wood. It’s commonly used on hobby CNC machines, engraving rigs, and DIY jewelry projects. Overall length is 38 mm (1-1/2 inch) with integrated positioning rings for quick setup.
✅ 1.1-2.0 mm diameters for a range of hole sizes.
✅ Spiral flute tips clear chips fast and reduce breakage risk.
✅ 3 mm or 1/8 inch shank fits standard engraving collets.
✅ Overall length 38 mm (1-1/2 inch) with positioning rings for quick setup.
✅ Tungsten carbide construction resists wear during repeated PCB runs.
💡 What is a handy way to pick drill bits for PCB and CNC engraving projects? For quick guidance, here's a concise answer. - Tungsten carbide bits stay sharp longer than steel on fiberglass and copper layers - Choose sizes within the needed range (1.1-2.0 mm) and a common shank (3 mm or 1/8 inch) - Look for bits with spiral flutes to clear chips and cut burrs - Positioning rings speed up setup and ensure consistent results
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