An abrasive cutting tool has a body in the shape of a large diameter disk having an outer diameter of at least about 60 centimeters, and an aspect ratio defined as a ratio between the outer diameter to an axial thickness of the body of at least about 10:1. The body includes an abrasive portion having a bond material and abrasive particles contained within the bond material. The abrasive particles comprise brown fused alumina. A first filler is contained within the abrasive portion comprising iron and sulfur having an average particle size of not greater than about 40 microns.