The POWERTEC 15520 is a grinding wheel disc specifically designed to work with most 6-inch bench grinder machines. This cost-effective tool provides clean, potent edges and surfaces, and is ideal for tool grinding, smoothing blades and metal working. These wheels are virtually chemical resistant and not affected by water, oils, or acids. In addition, they possess a low impact resistance and high wear rate. This abrasive wheel is fast, impressively sharp, and burr-free making it perfect for: Grinding, Sharpening, Stock Removal, Blending, Rust Removal and Finishing. We’ve paired the aluminum oxide abrasive with a fine 150 grit, allowing this grinding wheel to produce heavy cuts and offer rapid stock removal. High Performance, High Strength & High Precision Grinding These wheels are virtually chemical resistant and not affected by water, oils, or acids. In addition, they possess a low impact resistance and high wear rate. This abrasive wheel is fast, impressively sharp, and burr-free making it perfect for: Grinding Sharpening Stock Removal Blending Rust Removal Finishing We’ve paired the aluminum oxide abrasive with a fine 150 grit, allowing this grinding wheel to produce heavy cuts and offer rapid stock removal. This impressive combination offers a high purity profile, making this item perfectly suited to work with carbon steel and tool steel (NOT including tungsten carbide, cemented carbide & ceramic tool). Size Specifications and Material Details Abrasive Wheel Diameter: 6 Inches Thickness: 3/4 Inches Arbor Hole Size: 1/2 Inch Abrasive Grit: 150 Abrasive Grade: fine Maximum RPM: 3450 POWERTEC is a US based manufacturer of high quality woodworking machines, wood work accessories, and a wide assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the best innovations, technologies, and product development to the industry.