3M Disc Pad Face Plate Ribbed, 80516, grey, 7 in (177.8 mm), medium 3M Disc Pad Face Plate Ribbed backs a same size 3M Fibre Disc (sold separately) to provide firm support and the force required for grinding applicationsIt is used in conjunction with a disc pad hub (sold separately), which attaches to the power tool, and is held into place along with the appropriate disc using a retainer nut (sold separately). Product Information Brand 3M Part # 7000120515 Origin Country USA Product Type Backup Pads Extra Product InformationThis assembly allows the disc pad face plate to be easily changed without removing the disc pad hub, allowing the operator to use a single tool for multiple applications from heavy grinding to finishing a workpieceSome face plates have ribbing on the bottom faceRibbed face plates provide additional force when needed for optimal fracturing of the abrasive mineralBy reducing the area of contact, ribbed face plates increase the grinding pressure of the abrasive with the same amount of operator effort, and extend disc life when dulling is a problem.Product InformationDesigned for use with a 3M Disc Pad HubPlate accommodates a fibre disc of equal diameterPlate colour indicates disc density for easy identification in the workroomVarious flexibilities support grinding applications ranging from lightweight to heavy-duty
