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 ...

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There are a lot of different kinds of screwdriver — at least a dozen distinct types. But, according to Justin May, of Alpers Hardware in Port Washington, New York, unless you work on cars, cell phones ...

but there are also different types of screwdriver shapes and handles. Here are the big ones you should know about. Phillips ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Screwdrivers are among the simplest hand tools and everybody knows how to use one.