It’s not much of a stretch to say that without nuts and bolts, the world would fall apart. Bolted connections are everywhere, from the frame of your DIY 3D printer to the lug nuts holding the wheels ...

Ask the typical tradesman, “Do you know how to use a wrench?” and you’re guaranteed the answer will be yes. But look at the nuts and bolts on brackets, bus bar, grounding lugs, and everything else ...