Speeds and Feeds: Did you miss last week’s GTU class?


Click here to visit GTU where you can view our first video class on the basics of SFPM.


As great as Tom’s one minute teaser video was last week (did you hear about what happened since then with the Dayton Police?), we discovered many of our website visitors missed our full-length, video-based lesson. Click the link right above (or anywhere on the website’s right-hand column) to visit the Greene Tool U home page. There, you can see the full-length video of Tom teaching the basics of SFPM. We want to make sure you don’t miss the whole video, since last week’s message was unclear.

Next week, we will bring you the second online lesson about the fundamentals of increasing SFPM and what to do about generating heat when drilling. Be sure not to miss these video classes, always available on the GTU home page. Greene Tool is committed to exceeding our customers’ expectations by supplementing our work with educational tools, like GTU and the Troubleshooting Advisers. Please help us get the word out and forward the page links to your friends. Let’s broaden the Greene Tool online community: encourage friends to sign up for our newsletter and follow us on Facebook!

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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