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Ring Gages are typically used as "go/no-go" gages for cylindrical parts or as masters for calibrating other gages. Our ring gages are the finest available because we use only superb quality tool steels, and manufacturing and quality control processes that ensure the best value. The gage is calibrated at six separate points to verify size and geometry. The inch or metric plain ring gages are available in a wide range of sizes, in classes Z, Y, X, XX, XXX and a choice of materials to suit your application.

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