Starrett 185 Number Drill Bit Sizing Gage

Regular price $ 94.99 Sale

Made in USA

  • Starrett Model 185
  • Leaves the right amount of stock for approximately 65% full thread
  • Shows correct drill body size
  • 60 holes with number sizes and decimal equivalents
  • Black matte finish with information steel stamped on one side and white marked on the reverse side for quick, clear reading
  • Thoroughly tested for accuracy and hardening
  • Approximately 5/64" thick by 2-5/16" wide by 6-1/4" long

  •   The Starrett 185 Time Saver and Drill Gage provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread Series. Nos. 1 to 60 and .228 to .040".   Made in USA.

  • Product Model #
    Starrett 185 Number Drill Bit Sizing Gage 185 | EDP #: 50675


       For California Residents:

       WARNING: Cancer & Reproductive Harm -

       WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to



Sold Out