Item #: 57857534Brand: WALTER Surface Technologies Model #: 15R508Exact Tooling IR#: 04 Features and Benefits Coated abrasives can be used for most applications, from grinding to polishing. They consist of a thin layer of abrasive adhered to fiber, paper, cloth or rubber. Coated discs are normally used on angle grinders. Type 28 flap discs are designed for high performance grinding on steel and iron. They are used in a wide range of grinding operations and can be used at a shallower working angle. Cooler cutting and more durable than natural aluminum based products, ceramic provides a sharp, high purity grain. Commonly used for precision grinding of steels, hard alloys and exotic materials. Arbors require adapting nuts. They eliminates cross threading. Product Specifications Abrasive Type Coated Flap Disc Type Type 28 Disc Diameter (Inch) 5 Abrasive Material Ceramic Grade Medium Grit 80 Attaching System Arbor Center Hole Size 7/8 Backing Material Plastic Maximum RPM 12200 Series 15-R; Enduro-Flex Color Orange