4-1/2" x 1/4" x 7/8" Depressed Center Grinding Wheel
(25 Wheels)

Sait 21021 4-1/2" x 1/4" x 7/8" Type 28 A24R Depressed Center Grinding Wheel 25pkA24R - Long Life. Aluminum oxide grain. Medium bond for longer life and fewer wheel changes. Ferrous metals (iron, steel, welds, etc.). Specifications: Max RPM - 13300. Tech Info: Type 28 saucer shape allows greater surface area coverage and provides the operator with greater grind visibility. Additional fiberglass reinforcement for maximum safety in high lateral pressure applications. Super-Lock Hub on all 5/8-11 threaded wheels is the safest, vibration-free design.