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Definition of Ring Gauge

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  Definition of Ring Gauge   Ring gauge  is a metrology tool that is used for verifying the outer diameter of pins, shafts, splines, fasteners, dowels, studs, and other machined cylindrical parts. It is typically cylindrical in shape and is fabricated from a stable material (usually tool steel) with a highly precise (very high tolerance) bore in the center. The primary function of a ring gauge is to establish on a go-go basis whether the part being tested falls within the dimensional tolerance that was specified for it. The use of a ring gauge enables the user to make accurate assessments during the acceptance inspections very quickly without the need to use micrometers, calipers, thickness gauges, or other measuring instruments that could take longer to generate a result.   ...