Forney (332) 72308 Grinding Wheel, Metal, Type 27, 4-1/2 in x 1/4 in x 7/8 in

This Forney premium metal grinding wheel features zirconium grain that is ideal for use on ferrous materials. It's engineered for metal grinding, metal abrasion, body work, metal fabrication, and general repair work. Designed to be used on Right Angle Grinders. Type 27 wheels feature a depressed center wheel for grinding, notching, and cutting applications. Product Specifications: Wheel Size: 4-1/2 in. Wheel Type: Type 27 (Depressed Center). Thickness: 1/4 in (6.35 millimeters). Arbor: 7/8 in. Abrasive Specification: ZA24R. Abrasive Grain Type: ZA (alumina zirconium). Grit: 24 (coarse). Bond Hardness: R (medium). Maximum Revolutions Per Minute (RPM): 13,300. Tool Type: Right Angle Grinders.