Screws may be commonplace, but that doesn't mean they're simple. A screw is any shaft with a corkscrew groove carved around its surface and, regardless of their design, screws are usually used to ...

My first-ever adult tool kit came courtesy of a neighbor as a high school graduation gift nearly 20 years ago: an IKEA set that included a hammer, a pair of pliers, a basic wrench, and a screwdriver ...