Revolutionize your workplace with this Red Heat R983 coarse grit arbor thread fiberglass conical flap disc that contains a ceramic alumina abrasive blend for quicker grinding with less heat production and longer service time over its aluminum oxide and zirconia analogs. The most common choice of machine operators, fiberglass backing plates are strong, light, and resistant to vibration, while Y-weight flaps are made from polyester to provide a high level of grain retention and great surface contact for long, problem-free use without fraying. Made from premium materials, this flap disc is perfect for fulfilling your deburring and stock removal needs.