They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

As someone who disassembles and repairs hardware, [Aad] eventually ended up with a huge collection of mixed bolts and screws.

I had eight stripped and broken screws that were rusted and completely stuck, but I needed to remove them to replace a part. I started by trying to find a screwdriver that fit the remaining grooves as ...

Hydraulic jacks and screw jacks serve the same basic purpose, allowing mechanics to lift and support heavy loads in the shop. That said, there are some pretty major differences in how they work, the ...

There are many relatively simple ways to add horsepower to your car's engine, such as installing a better intake, reprogramming the Electronic Control Unit, or swapping in a freer-flowing exhaust ...

One of the greatest advantages of designing plastic parts is the vast number of assembly options a designer can apply to his or her design. The most common among these options is the use of screws.

You’ve experienced this. You glance into your refrigerator and say to yourself, “hmmm, low on ketchup, I better pick some up.” That’s how I am with shop supplies. I constantly scan my stash of glue, ...

For future micro- and nanotechnologies, the manufacturing of miniaturized, functionalized, and integrated devices is indispensable. In this paper, an assembly technique based on a bottom-up strategy ...