Part of that is probably because we’ve gotten so good at making them that they’re seen as cheap commodities, but the physics and engineering behind the screw thread is interesting stuff.

You have to have a screw loose to need or heed such advice ... outward has effectively scraped out the material that screw ...

an adhesive that is applied to screws and other fasteners to prevent them coming loose. Available in a variety of strengths, thread-locking fluid is great at keeping screws where they need to be ...

From using a wooden match to repair a loose screw to filling the hole with ... the shape of the hole and mold easily around the screw threads, creating a malleable but tight and sturdy bridge ...