One of the few things that separates us humans from the animals is our use of tools, and even some of the animals are ...

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The bits that fit a DeWalt impact driver — as well as those from most other brands — are ¼-inch hex shanks, but you can use an adapter for bits with differently-shaped shanks, such as the ...

When shopping for an impact driver keep in mind that most tool manufacturers list the tool’s bare weight. A battery adds between 1 and 2 pounds, depending on the battery’s capacity.

Two such types of drills are the hammer drill and impact driver, but discerning the differences proves to be more difficult than one would think. After all, it's power tools, not rocket science.

First, we tightened 3/8-inch and 3/4-inch hex nuts with a torque wrench, and then used seven cordless impact wrenches to bust free the nuts. Surprisingly, there wasn't a single tool with which we ...