Very straight forward. They ask you questions to see if you have the mechanical aptitude to do well. They also have you take a test to see if you can solve basic math problems, as well as reading different measurement systems, mechanical knowledge, etc.
Interview questions [1]
Question 1
What would you do in the event of a tolerance being out of spec?
I applied online. I interviewed at Steelville Manufacturing in July 2017
Interview
Just a conversation, very simple and straightforward. Trying to make sure you are a a normal person basically. Just relax and answer the (very simple) questions, you will probably get an offer.