SAIT Grinding Wheel, Depressed Center, Type 27, A24R Series, Aluminum Oxide, 4.500" Diameter, 0.250" Thick, 5/8"-11 Thread

FEATURES: Our most popular grinding wheel for general purpose grinding, this in a long life wheel for fewer wheel changes. Our unique Super-Lock Hub combines both a mechanical locking system and chemical bond providing one of the safest, vibration-free designs in the industry. Proudly Made in the USA. RECOMMENDED USE: For use on ferrous metals (iron, steel, welds, etc. ) for general purpose grinding