Three of the most common types of grinders are angle grinders, surface grinders, and die grinders.

An angle grinder is a handheld power tool that can be used for a variety of metal fabrication jobs that include cutting, grinding, deburring, finishing, and polishing. The most common types of angle grinder tools are powered by electricity; either corded or battery powered.

A surface grinder is a tool that uses a stationary, abrasive, rotating wheel to shave or finish a metallic surface.

A die grinder is a powerful handheld tool used to grind, sand, hone, or polish materials. You can use it for various tasks, including metalworking, woodworking, plastics, and auto body care.