Micro Carbide Drill Bits (.004"–.295") | Choose Individual Sizes | PCB & CNC

Shop micro carbide drill bits in individual sizes from approximately .004" to .295" for PCB drilling, CNC work, plastics, composites, electronics prototyping, model making, and precision small-hole drilling.

This collection is organized into size-range listings so you can choose the exact carbide drill diameter you need. Most drills have a standard 1/8" shank for common PCB drill holders, CNC collets, and precision drilling setups.

Use the product listings below to select individual drill sizes by diameter range. This collection also includes break-resistant carbide drill options, 50-piece one-size resharpened drill quantities, and overstock individual-size drill specials when available.

Looking for a range of drill sizes instead?
View our carbide drill variety sets

Need help with starting speeds and feeds?
View carbide drill bit feed and speed starting guide