Express Software Production

ThreadSpecs3 ™


ESP Web Site Overview Profiles UN/UNR/UNJ Metric Buttress Acme Tapered Pipe Wires

Gages

Working Thread Rings are used to gage external product threads. The "GO" ring should assemble with the product it is gaging, whereas the "NOT GO" ring should not. Generally, the minimum major diameter is specified, without a tolerance.

Working Thread Plugs are used to gage internal product threads. The "GO" plug should assemble with the product it is gaging, whereas the "NOT GO" plug should not. Generally, the maximum minor diameter is specified, without a tolerance.

Setting Rings are used to set indicating gages for internal product threads. GO rings are used to set gages to the maximum material size, NOT GO for the minimum material size. Generally, the minimum major diameter is specified, without a tolerance.

Setting Plugs are used to set indicating gages for external product threads, in addition to adjustable working ring gages. GO plugs are used to set gages to the maximum material size, NOT GO for the minimum material size. Generally, the maximum minor diameter is specified, without a tolerance.


Gages for NPT, NPTF, ANPT

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.


Notes on using this software : Accommodation for Coating - See notes under the Profiles topic.
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