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There are 6 products.

GPA Hollow Hex Plug

With a range of sizes, materials, and abilities, the GPA hollow hex plugs were based on ASME B31.3 designs. Produced by the leading manufacturer for system configurations and tight connections, the plugs were built with wrench flats to allow for hex wrench assembly. View the complete list of products below to find the one for you, and if you have any questions concerning any of our items, please contact us at or chat with us live.