Weiler - 40 Grit, 4-1/2" Disc Diam, 5/8-11 Center Hole, Type 27 Zirconia Alumina Flap Disc - 12,000 Max RPM, Phenolic Backing, Arbor Attaching System, Coated

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Item #: 49729981Brand: Weiler Model #: 31390Exact 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 27 flap discs are less aggressive and are used primarily on flat surfaces for grinding a smoother finish. More durable than aluminum oxide, zirconia-alumina is best for medium- to heavy-material removal. The material grains constantly fracture to produce new sharp edges. Commonly used on carbon steels, aerospace alloys, nickel alloys, aluminum, cast iron, forgings and some stainless steels Arbors require adapting nuts. They eliminates cross threading. Product Specifications Abrasive Type Coated Flap Disc Type Type 27 Disc Diameter (Inch) 4-1/2 Abrasive Material Zirconia Alumina Grade Coarse Grit 40 Attaching System Arbor Center Hole Size 5/8-11 Backing Material Phenolic Maximum RPM 12000 Show more