Introduction
A chisel that's in good shape and only in need of a new edge can be sharpened in very little time. But if your chisel is really dinged up, this method would be way too slow, so we'll also show you how to speed up the process by prepping your chisel with a bench grinder.The first thing you’ll need is a piece of 1/4-in.-thick glass. The exact size isn’t important. A glass shelf, which you can buy for about $10, works well. Glass is extremely flat, so it’s ideal for sharpening. Next comes the sandpaper. Use high-quality sandpaper-pick the most expensive paper at the home center. The cheap stuff cuts too slow and wears out fast. Look for a combo pack that includes 80-, 150- and 220-grit paper.
You’ll also need spray adhesive for sticking the sandpaper to the glass. A low-tack adhesive is best (it’s available at art supply and craft stores), but the standard spray you’ll find at home centers is also OK-just follow the directions to make a ‘temporary bond.’ When you change paper, use a solvent to remove glue residue from the glass (lacquer thinner works great). Low-tack sprays leave much less adhesive behind than standard sprays.
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