185 Starrett Time Saver Tap and Drill Gage (1-60 / .228-.040*)

185
Starrett Time Saver
Tap and Drill Gage
Nos. 1-60 / .228-.040″

• Correct sizing of tap drill for
  any common size machine
  screw tap in “NF” National
  Fine or “NC” National Coarse
  Thread Series
• 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 after hardening
• Approximately 5/64″ thick by
  2-5/16″ wide by 6-1/4″ long.