Manufacturer Part Number: DW8302|Disc Diameter|4Center Hole Size|5/8Center Hole Thread Size|Flap Disc Type|Type 27Grit|60Grade|MediumAttachment Type|Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|FiberglassDisc Color|BlueMaximum Rpm|15200Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Psc Code|UNSPSC Code|27112800