Standard pack = 1 piece(s). Type = Cutting Wheel ; Wheel Diameter = 4-1/2 Inch ; Hole Size = 5/8 Inch-11 UNC ; Wheel Thickness = 0.045 Inch ; Abrasive Material = Ceramic ; Maximum RPM = 13300 ; Grade/Hardness = S ; Material Application = Armored Steel, High-Nickel Alloys, Inconel, Stainless Steel, Steel, Titanium, Tool Steel ; Grit = 60 ; Wheel Type Number = Type 27 ;