Plug or Pin gauge sets act essentially as a go no go gauges, and are used for verifying the diameter or holes and slots. They are used to quickly determine whether or not hole sizes are within tolerance. Typically pin & plug gauges are made of hardened steel or tungsten carbide, and come in sets containing various sizes to allow for a wide range of measurement. They are available in Class XX, X, Y, Z, and ZZ tolerance standards, with Class XX having the tightest standards.

A pin gauge set will typically consist of either plus or minus pin gauges, and based on procedure or tolerances may require both versions to determine a go no go outcome. A minus pin gauge set includes pins with a specified tolerance below the target size, allowing the pin to fit within the target dimension. Likewise, a plus pin gauge set includes pins with a specified tolerance above the target dimension, creating a no-go situation for a bore at the target dimension.

J.A. King offers a wide selection of pin gauges from the brands you know and trust such as Vermont Gage and Starrett. We offer a variety of sizes, classes, and materials to meet the needs of your specific application. Let our technical sales staff assist you in selecting the best pin gauges for your application. For more information about the products we offer, or to get a quote for new equipment, click on the link below to discuss your needs with a J.A. King team member.

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Interested in calibration services? Take a look at the pin gauge calibration services offered by J.A. King.

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