Check the listing for details. POWERTEC 8 x 1 in, Bench Grinding Wheel, 80 Grit, 5/8" Arbor, Aluminum Oxide. Condition: New. Listed at 28.99 USD. Introducing the Aluminum Oxide Grinding Wheel by POWERTEC. 80 GritINCLUDES: (1) Bench Grinder Grinding Wheel w/ vitrified bondAPPLICATIONS: Medium 80 Grit grinding wheel works exceptionally well on steel, and can be used for stock removal or as a drill bit sharpening tool or part of a lathe tool sharpening systemCOMPATIBILITY: 8” bench grinder wheel is designed to fit and work with most pedestal and bench grinder machinesFEATURES: Maximum cut rate and cool cutting action on hardened or high-speed tool steelsQUALITY SPECS: Premium white aluminum oxide wheel measures 8 inches in diameter, 1” in thickness, comes with a 5/8” arbor hole size, and possesses a 3600 maximum RPM This 8” bench grinder wheel was designed to fit most stationary bench grinding machines for high speed steel sharpening and deburring. It features premium white aluminum oxide with a vitrified bond. As this abrasive grinds down with wear, it produces a consistent and fresh grinding surface for balanced work. Whether sharpening your metal lathe turning tools, lawnmower blades or other HSS tools – this grinding wheel stone will get the job done with high precision results. Commonly Used Applications • Lawn mower blade sharpening tool • Metal lathe tool sharpening • Sharpening HSS drill bits • Planer blade sharpener • Chisel sharpening tool (It is not recommended that you grind wood, plastic or any other non-metallic material on a bench or pedestal grinder.) Dimensions and Specifications Diameter: 8” Thickness: 1” Arbor size: 5/8” Material: White Aluminum Oxide (Alundum) Bond: Vitrified Grit Type: 80 Maximum RPM: 3600 POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.