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The Grainger plug pin gauges are precision measuring tools used to check the size of holes or the diameters of parts. They come in a range of imperial and metric sizes. The gauges are made from hardened and ground tool steel for durability. They feature a knurled grip area for easy handling. The gauges have a tolerance of +/- .0002" or +/- .005mm to ensure accuracy. Plug gauges are inserted into holes, while pin gauges check external diameters. Grainger offers plug pin gauge sets or individual plug or pin gauges to suit inspection needs.
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