3M Standard Abrasives 645958 HP Type 27 A/Z Alumina Zirconia AZ High Density Flap Disc - 4 1/2 in Diameter - 53304 66000126673

Standard Abrasives 645958 HP Type 27 high density flap disc uses A/Z alumina zirconia AZ as the abrasive material and has a diameter of 4 1/2 in. Standard Abrasives incorporates this A/Z alumina zirconia AZ material into the high density flap disc forming a grit of 40. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This Standard Abrasives high density flap disc can be run at a maximum speed of 13300 RPMs.