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ASME B1.15-1995
Unified Inch Screw Threads (UNJ Thread Form)
This Standard establishes the basic triangular profile for the UNJ thread form, provides a system of designations, lists the standard series of diameterpitch combinations for diameters from 0.600 to 6.000 in., and specifies limiting dimensions and tolerances.
American Society of Mechanical Engineers [asme]