Posted by Daryl in Oz [162.158.2.97] on Monday, November 20, 2017 at 05:36:20 :
In Reply to: What's the story on ACME thread bolts? posted by jim lee [108.162.246.236] on Monday, November 20, 2017 at 04:16:22 :
Most lathe screws are acme or square thread. Here's a link to the thread form and characteristics.