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Unlike any Glue
alumina zirconia and other conventional ceramic abrasives
It also conforms to weld bead ripples to polish welds without removing them and works in hard-to-reach areas without damaging the substrate
That all adds up to a disc you can spin onto your angle grinder with confidence
30957 - 3M™ Flap Disc 577F, 60, T27, 4-1/2 in x 7/8 in, 10 ea/Case Sealants & Fillers Unlike any GlueIdeal for tough grinding applications where final finish is important, the overlapping layers of the flaps on 3M Flap Disc 577F continually wear away with use to expose fresh abrasive mineral for a fast, consistent cut, while the cushioning of the flaps creates a blended finish. Flap discs typically generate a finish one grade finer than the disc is graded, reducing finishing steps. A grinding aid reduces grinding temperatures for processes involving
