Tiny holes shouldn’t turn into broken bits and wasted boards. This precision PCB drill bit set is made for makers, repair techs, and CNC hobbyists who want clean, accurate drilling on delicate materials. With a standard 1/8" shank and a practical range of micro sizes, it fits common rotary tools and CNC setups for steady control. Expect sharper entry, less wandering, and neater results when detail matters most.
Key Features
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10-piece set of carbide micro drill bits for fine, consistent holes
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Standard 1/8" (3.175mm) shank for stable clamping and easy tool compatibility
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Micro-size coverage (0.1–3.175mm) to match multiple hole requirements in one kit
Why Choose Our TOOLEYE Carbide PCB Drill Bit Set (10pcs) 1/8 Shank Micro CNC Bits, 0.1–3.175mm
Many sets force you to juggle mismatched shanks or guess sizes. These 1/8 shank CNC drill bits are built for steadier holding and cleaner starts, helping reduce slip and chatter. You get a compact range that suits both quick fixes and repeatable workshop runs—without buying multiple packs.
Perfect For (Occasions & Uses)
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DIY electronics, prototyping, and repairs with printed circuit board drill bits
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CNC engraving/PCB drilling setups and bench rotary tools
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Plastics, copper boards, and other detail-focused drilling tasks
How to Use
Clamp the shank fully, start at a controlled speed, and let the bit cut—don’t force it. For best accuracy, center-mark first and clear chips frequently.
Product Specs
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Quantity: 10 pcs
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Shank: 1/8" (3.175mm)
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Bit sizes: 0.1–3.175mm
Small Details, Cleaner Builds
Upgrade your toolkit with a micro CNC drill bit set that makes precision feel easy—order now and enjoy smoother drilling on your next board, model, or repair.






















































