Ideal for metal cutting, metal abrasion, body work, metal fabrication and general repair work. Used on ferrous materials. Please enter your postal code to check availability. Aluminum oxide metal cutting wheel. Ideal for metal cutting, metal abrasion, body work, metal fabrication and general repair work. Used on ferrous materials. Designed to be used on die and air grinders only. Product Specifications: Wheel size: 4" (101.6 millimeters) Thickness: 1/16" (1.59 millimeters) Wheel type: Type 1 (flat) Arbor: 3/8" (9.53 millimeters) Spec: A46T-BF Maximum revolutions per minute (RPM): 19,100 Tool type: Die and air grinders