Flap Drum; Type Universal; Diameter 4 Inch; Thickness 4 Inch; Mounting Type Keyed Arbor Hole; Arbor Hole Size 3/4 Inch; Grit Size Number 120; Grit Fine; Abrasive Material Aluminum Oxide A; Speed Rating 3800 RPM (Optimum), 6100 RPM (Maximum); Application Deburring, Leveling, Step-By-Step Fine Grinding, Structuring, Surface Work, Work on Weld Seams; Used On Drum Grinder

Designed for Universal Work on Medium-Sized and Large Metal Surfaces, Example Fine Grinding Work on Large Radii in Container, Kitchen and Appliance Construction and Achieving Uniform Finishes (Grinding Patterns) on Large Surfaces and Contours in Manual Applications; Designed for All Conventional Keyway Systems; Conforms to Contours Due to High Flexibility; Consistently High Stock Removal Rate Throughout the Entire Service Life as New, Aggressive Abrasive is Constantly Exposed