What Are Flap Discs?

When using an angle grinder, selecting the correct attachment for the work is vital to success. The most popular choices are grinding wheels and flap discs. The two distinct abrasive products are not the same, despite the fact that they are sometimes misunderstood because of their overlapping properties. 

What Are Flap Discs?

A flap disc is a type of abrasive tool used for grinding, sanding, and finishing various materials. It is composed of overlapping layers of abrasive-coated, flaps that are arranged around a central hub. The flaps are made of abrasive material, such as aluminium oxide, zirconia alumina, or ceramic, and are designed to wear evenly over time, exposing fresh abrasive grains as the disc is used. Common applications include: 

  • Cleaning flash from moulds and castings
  • Removing rust
  • Edge grinding
  • Deburring
  • Blending weld seams

Flap discs come in a variety of sizes and grits, making them suitable for a wide range of applications. They are commonly used on metals, wood, plastics, and other materials, and are particularly effective at removing welds, rust, and paint, as well as smoothing out rough surfaces.


benefits of using flap discs

include their versatility, long life, and their ability to provide a consistent finish without gouging or undercutting the workpiece. They can be used on a variety of different tools, including angle grinders, die grinders, and orbital sanders.

Overall, flap discs are a popular and effective abrasive tool that can save time and effort in a variety of grinding, sanding, and finishing applications. We have the best quality Flap Disc available for our products.

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