CheckerHater,
Thank you for that response & reference. I compared for the sizes I normally use (1/4 & 1/2), it looks like that table uses the L1+L3. I used to do that until I had issues with a batch of parts, internally threaded part gauged a little big, and external threaded part gauged a...
Hi LKENNEDY,
Your instincts are right, don't do it, unless, like geesaman.d said, its in your companies interest. And duplicating information on the DXF is just asking for conflicting information later on, don't do it.
I've had several issues with the depth of internal NPT threads. The main issue I have seen is not having enough internal threads, and the external threaded member "running out" of threads causing galling. Primarily an issue if the threads are "single pointed" on a lathe or thread milled. I've...