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Fiber discs are one of the most popular forms of abrasive grinding and finishing products. When used properly, they can do just about any grinding application that wheels can do — it all comes down to using the right disc for your application. But before you decide which fiber disc to use, it’s important to understand what they are and how to properly mount them on a grinder.  The Disc: A fiber disc is a single layer coated abrasive applied to a vulcanized fiber backing. United Abrasives/SAIT offers a complete line of fiber discs, from general purpose economical choices …

Flap discs and flap wheels come in a variety of shapes and sizes, and knowing which is right can make it tricky to determine the right product for your application. For example, if you look at our flap discs and wheels product page, you’ll see nine different product categories, all for varying needs and tasks. While we encourage you to use our application search to find the abrasive you need, today we’re going to break down some of the common terms you’ll see on our wheels and discs to help you understand your options.      What is a …