Engineered for precision and durability, these 1/4" Depressed Center Grinding Wheels from CGW Abrasives are designed to tackle tough materials like stainless steel, cast iron, and ferrous metals with ease. With a size of 6 x 1/4 x 7/8 inches and a maximum RPM of 10,200, these wheels utilize a premium zirconia grain that not only cuts faster but also lasts significantly longer than traditional aluminum oxide options. The contaminant-free design ensures rust-free and corrosion-free results, making them ideal for critical applications where performance and longevity are paramount. Each wheel is crafted with advanced bonding technology to provide consistent grinding action and excellent stock removal, ensuring you achieve the best results every time.