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  1. HR ShoveNstuff

    NPT Thread Depth

    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...
  2. HR ShoveNstuff

    Supplier wants manufacturing process notes on drawing

    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.
  3. HR ShoveNstuff

    NPT Thread Depth

    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...

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