Abrasive Wheel, Cubitron™ II, Type: Cut and Grind, Right Angle; Diameter: 4 1/2 Inch; Thickness: 1/8 Inch; Arbor Size: 5/8-11; Material: Precision Shaped Ceramic; Grit Size: 36+; Bonding Material: Resin; Max RPM: 13300; Pack: 20 Each/Case. Our 3M™ Cubitron™ II Cut and Grind Wheel features 3M Precision Shaped Ceramic Grain to bring you an exceptionally fast-cutting and long-lasting wheel for use on both stainless steel and mild steel. These versatile wheels are designed to be used both as a grinding wheel and as a cut-off wheel – making them ideal for cutting, grinding, gouging and more.