Mechanical fasteners like screws, nuts, and bolts are fundamental components in any machine or vehicle. In this video, we will walk you through the basics of:

- Different fastener types and shapes
- Drive types
- Materials and coatings
- Galvanic corrosion
- Coarse vs fine thread
- Best practices of joint design
- Helicoils and heat-set inserts
- Calculating the correct preload and torque
- Vibration control methods

And we'll answer that age-old question: what's the difference between a screw and a bolt?

Companion blog post (with additional reference materials): https://tarkka.co/2019/07/07/screw-it...

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Some video footage is incorporated under a Creative Commons license and is credited to:
bry so (Incredible footage of ironworkers in Georgia)
   • Ironworkers building Georgia (gopro)  

NT Department of Trade, Business and Innovation
   • Northern Territory Industry Capabilit...  

Other video footage is furnished royalty-free by the following organizations:
National Aeronautics and Space Administration (NASA)
US Department of Defense (DoD)
North Atlantic Treaty Organization (NATO)
Ford Motor Company
Fiat Chrysler Automobiles