Sait 21020 4-1/2" x 1/4" x 7/8" Type 28 A24N Depressed Center Grinding Wheel 25pkA24N - Fast Grinding. Aluminum oxide grain. Soft bond for fast stock removal. Ferrous metals (iron, steel, welds, etc.). Low-grade stainless steel. 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.
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