KLINGSPOR velcro-backed sanding discs 180 mm grain 40 without hole 257707

PS 21 FK bonded wheels, 180 mm grit 40 without hole. Advantages: Aggressive sanding performance thanks to self-sharpening zirconia alumina - Optimally matched formula for coarse and finish sanding of stainless steel - Long service life. The grinding wheel PS 21 FK is precisely designed for coarse to finish grinding of stainless steel. Its backing made of sturdy F-paper is resilient and offers high edge strength. The self-sharpening, tough zirconia alumina is densely coated and fixed with a synthetic resin bond. This gives the PS 21 FK by Klingspor a very aggressive abrasive performance with high, even stock removal and a long service life. Klingspor offers this versatile abrasive disc for steel processing in various diameters and numerous grit sizes for coarse and fine sanding.