Item Details Norton 57A 12" Dia X 2" Type 1 Wheel Type 01 Vitrified Bond Type Aluminum Oxide Grinding Wheel with 1 1/2"Arbor features 60 grit and medium grade hardness. Wheel has 2070 RPM that is suitable for grinding carbon steels, cast iron and series 57a. It has a precision grit size and hardness for engineered applications. It produces a maximum cut rate and is ideal for ferrous metals. Features High quality aluminum oxide (57A) or silicon carbide (39C/37C) abrasive in a premium vitrified bond system Precision engineered to maximize cut rate, finish and wheel life 57A is formulated for high speed tool steels and other metals 39C or 37C are formulated for nonferrous metals Each wheel contains nested bushings which accommodate a wide variety of standard arbor sizes Benefits Precision engineered grit size and hardness to maximize cut rate, finish and wheel life 57A for ferrous metals: 39c for nonferrous materials Non-stock available by calling customer service Applications For offhand deburring and sharpening of parts and tools on a bench or pedestal grinder This listing is for Each.
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