Electric grinders and cordless grinders are ideal for use in many buffing, grinding, polishing, and sanding applications. Angle grinders are used for cutting, grinding, and polishing. Some models are cordless and don’t require a power source. Masonry grinders are designed to cut grooves or channels in masonry or concrete, while concrete grinders can be used for grinding away adhesive residue, paint, and spackle on medium-sized concrete areas. Powerful and smooth-running die grinders are ideal for sanding, carving, buffing, and sharpening with some models cordless for portability on the jobsite. Specialty tool post grinders are designed for polishing and machining applications and are mounted on a tool lathe. Go to Grainger for the power grinders you're looking for.