Norton 7 Inch Grinding Wheels | MSCDirect
7" Diam x 1-1/4" Hole x 1/2" Thick, J Hardness, 46 Grit Surface Grinding Wheel. Vitrified bonds are made from a mixture of clays fused at high temperatures, creating a glass bond. Vitrified bonds are made from a mixture of clays fused at high temperatures, creating a glass bond.
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