Norton 4-1/2" Type 27 Zirconia Alumina Depressed Center Wheels, 5/8"-11 Arbor, 1/8"-Thick, 13,580 Max. RPM, 10 pk.

The Norton Type 27 heavy-duty grinding and cutting wheel has a zirconium aluminum oxide abrasive for aggressive material removal on ferrous metals, gray iron, and stainless steel.

Grade: Extra Coarse	Thickness: 1/8"
Series: Bluefire	Abrasive Grit: 24
Application: Ferrous Metal, Gray Iron, Stainless	Abrasive Material: Zirconia Alumina
Abrasive Wheel Type: Type 27	Arbor Hole Size: 5/8"-11
Abrasive Wheel Diameter: 4-1/2"	Diameter: 4-1/2"
Arbor Size: 5/8"-11	Max. RPM: 13, 580
Country of Origin (subject to change): United States