Express Software Production

ThreadSpecs3 ™


ESP Web Site Overview Profiles

60° Tapered Pipe Threads

Three similar profiles are currently supported by the software : NPT, NPTF, and ANPT.

References :
For NPT product threads and working gages, see ASME B1.20.1-2013.
For NPTF product threads, see ASME B1.20.3-1976; for working and master gages, see ASME B1.20.5-1991.
For ANPT product threads and working gages, see SAE AS71051B 2008-03.
This software applies ASME B1.20.5-1991 to NPT and ANPT master gages.


Tips on using this software


Gages

External tapered product threads are gaged using several types of ring. This software provides dimensions for L1 and L2 Rings.

Internal tapered product threads are gaged using several types of plug. This software provides dimensions for L1 and L3 Plugs.

Master Rings are used to check the dimensions of work plugs, and can be used to set indicating gages. This software provides dimensions for L1+L3 Master Rings.

Master Plugs are used to check the dimensions of work rings, and can be used to set indicating gages. This software provides dimensions for L1/L2 Master Plugs.


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