Manufacturer Part Number: 51228|Disc Diameter|4-1/2Center Hole Size|Center Hole Thread Size|5/8-11Flap Disc Type|Type 27Grit|80Grade|MediumAttachment Type|Threaded Arbor HoleAbrasive Type|CoatedAbrasive Material|Ceramic; Zirconia AluminaBacking Material|PhenolicDisc Color|BlueMaximum Rpm|13000Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Tiger XPsc Code|UNSPSC Code|31191506