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• When grinding wheels inevitably develop grooves, or get clogged up, a dressing wheel can be used to clean them up. This style is made with hardened steel toothed wheels that turn against the wheel, chipping at it without rubbing (which would grind away the steel).

• This chunky old belt-driven grinding wheel was used to sharpen the teeth on large sickle bar mowers.

• This is the boxiest grinder I’ve ever seen.

• This bench grinder came with my farm, literally cemented into the floor. This is a common way to find them, because they are most useful when mounted away from any obstructions.

• I have several of these miniature bench grinders, both at home and in my shops. They are very weak, but that makes them relatively safe. One of them I use, for example, to debur the ends of tiny #2 threaded rods. A bigger tool would be pure overkill.

• If you have an axe to grind, a pedal powered grindstone is the most horror-movie-appropriate tool to use. In this chapter I will discuss both the axe and the grindstone, but for the most part not what you could do with the axe in a horror movie.

• This cute little grindstone is cranked by hand. Don’t worry, we’ll get to powered grinding wheels on the next page.

• This bench grinder has buffing wheels on both sides. They are used in combination with different grits of buffing compound to polish surfaces up to a mirror finish.

• This chain saw sharpening tool has a small grinding wheel that tilts down to sharpen each tooth in turn, and a ratchet mechanism that advances the chain one tooth at a time.

• A diamond dressing tool is hard enough to directly grind down a grindstone.

• Mini Bench Grinder

Do you have a better example of this kind of tool? Let me know by leaving a comment, and include a picture of it if you can so everyone can see!