Engineered for precision and efficiency, these depressed center grinding wheels from CGW Abrasives are designed to tackle a variety of metalworking tasks with ease. Measuring 4-1/2 inches in diameter and 1/8 inch thick, these wheels feature a robust A24T aluminum oxide grain mixture, ensuring fast cutting performance on both ferrous metals and stainless steels. With a maximum RPM of 13,300, they are built for durability and longevity, making them ideal for light or root pass grinding and cutting applications. Each box contains 25 premium wheels, crafted from superior raw materials and advanced technologies, delivering consistent cutting action for faster and easier performance on the job.