Weiler cutoff wheel uses aluminum oxide as the abrasive material and has a diameter of 7 in. Weiler incorporates this aluminum oxide material into the cutoff wheel forming a grit of 36. In addition to the other aspects of these parts, another important component of these is the thickness. This Weiler part is 1/16 in thick. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This Weiler cutoff wheel can be run at a maximum speed of 8740.