Machine Tool History

Over spring break most people take their grandkids to the beach, mountains, Disneyworld, cruises, or on other worldly adventures.  Tom decided to take his grandchildren to visit one of the world’s greatest collections of historic machine tools – the Cincinnati Museum Center at Union Terminal.  This week we decided to have a little fun and test your historic machine tool trivia.  Answer these questions on the video and send them to for a chance to win a very special prize.

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Directions for Use

  1. Enter your data parameters into the fields on the left
  2. Click the green arrow in the center of the calculator
  3. Your answers will appear in the fields on the right
-- change calculator using buttons below -- Tap Drill MM Tap Drill RPM SFPM Helix Angle

Tap Drill Size

MM Tap Drill



Helix Angle