Up to 4 times faster than standard fiber discs. Faster material removal with Bosch Prisma Ceramic technology. With a 22.23 mm hole diameter for standard angle grinders with a clamping nut. Ideal for grinding stainless steel, for example, to remove thick weld seams from metal constructions. The removal of weld seams from stainless steel workpieces is labor-intensive and time-consuming. When the process can be accelerated, the Prisma fiber disc allows professional users to work significantly more efficiently. With the Expert R782 Prisma Ceramic fiber disc, you can grind much faster. Bosch Prisma Ceramic features sharp triangular grains that cut more effectively than broken ceramic grains. This highly efficient disc generates less surface heat during use, allowing you to grind longer and faster. Additionally, the self-sharpening effect ensures that the high removal rate is maintained throughout its lifespan. With the Bosch Expert R782 Prisma Ceramic fiber disc, you can grind stainless steel much faster than with conventional discs, without compromising on quality. This enables professional angle grinder users to work more productively. With a 22.23 mm hole diameter for standard angle grinders with a clamping nut.