Turns out a ten-dollar file can outlast a truckload of disposable blade replacements.

To sharpen an auger bit, you need a specialized auger-bit file. Hold the auger bit upright in a vise, then file the bit’s lip with the file’s edge [1]. Turn the auger bit in the vise and sharpen the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. So why bother sharpening ...

Many people sharpen lawn mower blades themselves using a handheld file. That works, but there's a compact, affordable power tool that does a better job.

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