3M Standard Abrasives Ceramic Type 27 Flap Disc 645625 4-1/2 in x 5/8-11 50 10 per case

Best for aggressive stock removal on a variety of welds, coatings and other metal fabrication applications. The overlapping coated abrasive cloth flaps on Flap Discs provide several layers of abrasives, making the disc very durable. Because it is mounted on a firm phenolic plate, there is a cushion effect when blending.