Depressed Center Grinding Wheel, 7 in Dia, 1/4 Thick, 7/8 Arbor, 30 Grit Alum.

Recommended for soft, tough and hard grades of aluminum, hardness grade N offers an excellent balance of aggressive removal and good service life. Aggressive, non-loading grinding performance on aluminum and all soft metals. Paraffin-free design leaves residue-free surface for immediate welding without secondary surface cleaning operation.