PSA (pressure sensitive adhesive) discs are a cost effective discs.Featured Products >
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a Flap Disc is a finishing disc used on metal surfaces with overlapping coated abrasive "flaps" bonded to a central hub. As these "flaps" wear away during use, new abrasive grains...
Hook & Loop (velcro) Discs are popular due to being tear resistantce, generating less heat during use and quicker change times.