Ductile Iron; Aluminum; Hard Carbon Steels; Cast Iron; Gray Iron; 400 Series Stainless; Tool Steels; Soft Carbon Steels: For Use With: CNC Cutting Tool Machine; Surface Grinder; Cylindrical Grinder: Series: 32A Type 1: Recess Type: No Recess: See all product specifications ... Aluminum Oxide: Wheel Type: Type 1: Bond Type: Vitrified: Wheel ...