Flap Discs



A flap disc is an abrasive tool used for grinding, blending, and finishing metal surfaces. It features overlapping flaps of abrasive cloth (such as aluminum oxide, zirconia, or ceramic) arranged radially around a backing plate made of fiberglass, plastic, or metal. As the flaps wear down, new abrasive material is continuously exposed, providing a consistent cutting action and smoother finish compared to traditional grinding wheels.
Flap discs are commonly used in metal fabrication for tasks like weld removal, deburring, rust cleanup, and surface prep. They come in various grit sizes to suit different applications—from heavy stock removal with coarse grits to fine finishing with higher grits. Their durability, reduced vibration, and ability to both grind and finish make them a versatile alternative to grinding wheels and sanding discs.