Flap discs are versatile abrasive tools used in metal fabrication, woodworking, and surface preparation tasks. Consisting of overlapping abrasive flaps arranged around a central hub, these discs are mounted onto angle grinders or die grinders to remove material, smooth surfaces, and blend welds with ease. The abrasive flaps are typically made of aluminum oxide, zirconia alumina, or ceramic grains, providing aggressive cutting action and extended durability. Flap discs come in various grit sizes and configurations, allowing users to achieve different surface finishes, from coarse grinding to fine polishing, all in one tool.

The design of flap discs enables them to conform to curved or irregular surfaces, making them ideal for contouring and finishing applications. Additionally, flap discs produce less vibration and noise compared to traditional grinding wheels, providing a more comfortable and efficient working experience. With their versatility, durability, and ability to perform multiple tasks in a single operation, flap discs have become indispensable tools in metalworking shops, fabrication plants, and construction sites, where efficiency and quality are paramount.