For a Delta grinder with a 6-in.-diameter wheel, a 5-1/2-in.-long piece of 2×4 aligns the tool to the wheel just right. For other bench grinders, you may need to adjust this length.

The Porter Cable 8-inch bench grinder retails for $120 at most major outlets and packs a lot of features that are found in much more expensive grinders. For instance, it has a speed controller ...

Wear an N95 mask or respirator to prevent inhalation of dust and grit (along with eye protection or a face shield). Bolt your grinder to a pedestal or small stand so you can orient it away from ...