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On a bench grinder, grind the plane iron’s bevel to an angle of approximately 25 degrees. ... They’re surprisingly easy to sharpen, and you only need a few helpful drill-bit-sharpening tools.

Metal file or drill-powered blade sharpener or angle grinder. ... Drill-powered blade sharpener — This is a little faster than manual filing, thanks to a bit of help from your drill.

There are many obscure types of drill bits you might use on your next project, but we're going to focus on the typical two-flute design (see above — the flutes are the grooves). Sharpening is a matter ...

Always wear safety goggles or flying metal particles could end up in your eyes. The angle grinder will also create a lot of sparks as you're sharpening the unibit, which may make you uncomfortable ...

If you regularly use a Makita drill, you'll probably have to change the bits frequently. Here's how to do that and also what to do if a bit gets stuck.