Recommended for use with CNC cutting tool machines or tool and cutter machines, this Norton 38A AO Type 11 flaring cup toolroom wheel has a friable aluminum-oxide abrasive that provide cool and burn-free cutting for light to moderate feed-rate applications. A versatile vitrified bond makes the wheel ideal for use on hard and heat-sensitive speed-tool steels. Use the wheel for general-purpose grinding, sharpening and stock removal for consistent balance and dimensional accuracy at an economical price.