These 4-1/2" x 1/4" x 5/8"-11 premium depressed center grinding wheels are made with a combination of silicon carbide and aluminum grains, specifically used for grinding aluminum and other soft metal. They are internally reinforced with high tensile strength fiberglass.

Mercer Abrasives
5" x 1/4" x 5/8"-11 AC24R T27 Premium Depressed Center Grinding Wheel - Single Grit, …
$127.97
Add to Cart