3M Disc Pad Hub - 4.5 in
3M disc pad hub has an internal threaded metal insert that threads onto the shaft of a sander and grinder to hold a disc pad face plate and fiber disc in place. Disc pad hub holds the face plate firmly in position to support a fiber disc with a 7/8 in center hole, which is secured to the hub with a compatible retainer nut. The disc pad hub enables operators to select face plates with four different densities soft, medium, hard and extra-hard offering the convenience of using a single power tool for multiple grinding applications.
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