If you liked this look at nuts and bolts, you might want to check out the mechanism that makes them work.

And you’ll have saved yourself the frustration of trying to match up specialty bolts. A full set (metric and SAE) will quickly put irreplaceable and hard-to-find nuts and bolts back into service.

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 ...