50pcs 0.5+0.6+0.7+0.8+0.9mm Tungsten Carbide Micro Drill Bits Set Engraving Tools Compatible with PCB Circuit Board Stone Dremel Jewelry CNC Engraving
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About this item
High Quality:The PCB Drill Bits are made of tungsten carbide(tungsten steel) ,with high hardness, high wear resistance, not easy to bend and break.
Highly precision: With sharp cutting edge,can reduce cutting force and improve drilling quality,The sets of tool work quickly and cleanly, no glitches or scrap left.
Set of 5 different size: 0.5mm, 0.6mm ,0.7mm ,0.8mm ,0.9mm PCB micro drill bits, each 10 pcs,multiple sizes included in one set to meet different needs.
Wide Application:This Micro Drill Bits can be used for PCB circuit board, Amber beeswax, bakelite, CNC engraving plexiglass,SMT, mould, hardware processing, electronic industry, etc.
Nice Case:All Drill Bits are packaged in a high quality box, easy for storage and carry.
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First Listed on Newegg
October 17, 2025
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Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.