3M 4.5 Flap Discs 947D 40 Grit 7/8 Arbor 13 300 rpm EA (405-051111-61187)

This product provides a system for low-pressure grinding small weld removal finishing and surface preparation with just one disc. The one-step alternative to bonded wheels and fiber discs these discs run fast enough for stock removal but provide cushioning with the flaps for a soft finish. Effective for preparing stainless steel for #3 and #4 finishes. This flap disc features self-fracturing ceramic aluminum oxide abrasive grain with a superior cut-rate to aluminum oxide and versatile performance on many metal types. It is made with an X-weight cotton backing that supports a fast cut for light duty grinding and finishing. The flap fiscs by 3M offer an unbeatable system for grinding and blending in one easy step. The construction wears away exposing fresh mineral to extend disc life and provide consistent cut rates. Great for weld grinding blending deburring rust removal surface prep and edge grinding on all types of metals.