Item Details Norton 32A 4" Dia X 1/4" Type 01 Straight Sharp Monocrystalline Aluminum Oxide Vitrified Abrasive Internal Grinding Wheel with 1/2" arbor features 60 grit and medium K grade hardness. Purple wheel features speed of 8120 RPM, outstanding form holding and commonly used on ferrous alloys, high-tensile materials and wood. It is tough, economical and fracture-resistant making it best-suited for general purpose deburring and blending. Vitrified bond is made from a mixture of clays fused at high temperatures, creating a glass bond. Features Best-suited for general purpose deburring and blending, it is tough, economical and fracture-resistant Commonly used on ferrous alloys, high-tensile materials, and wood Free cutting on a wide range of applications and materials Outstanding form holding Applications Surface grinding Tool and cutter grinding Drill sharpening This listing is for Each.
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