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Tru-Pos Locators UNJF thread

Need to measure some threaded holes 1/4-28 UNJF.
Anyone know where I can find plugs for this thread to check location?
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  • No one here (including me) is telling you how to do your job.

    I'm just informing you of the requirements of measuring a thread for mmc as well as the limitations of a cylinder probe.
    (as others will and have)

    Grow a thicker skin.
    Everyone on this forum is just trying to help everyone else.
    If you don't want advice don't ask for it.


    I think you may have misunderstood my previous post. I wasn't upset or trying to be snarky.

    My skin is plenty thick, working in this industry you really need to have it. I understand the limitations of the cylinder probe, I don't use it in the way that makes it inaccurate or at least how I understand it works. We make parts according to a customers print. If they ask for TP with MMC on a threaded hole, we have to give it to them. There's no other way around it. That situation is not unique to threaded holes, we get prints with requirements that were obviously the product of an "engineer" that's never seen how a part is actually made or what it takes to make that part and inspect it.

    Being a machinist by trade, I've said for years that in order to be an engineer one needs to spend a MINIMUM of two years on the floor and actually making the parts they're attempting to design. This is coming from a guy that went to school to be an engineer.
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  • No one here (including me) is telling you how to do your job.

    I'm just informing you of the requirements of measuring a thread for mmc as well as the limitations of a cylinder probe.
    (as others will and have)

    Grow a thicker skin.
    Everyone on this forum is just trying to help everyone else.
    If you don't want advice don't ask for it.


    I think you may have misunderstood my previous post. I wasn't upset or trying to be snarky.

    My skin is plenty thick, working in this industry you really need to have it. I understand the limitations of the cylinder probe, I don't use it in the way that makes it inaccurate or at least how I understand it works. We make parts according to a customers print. If they ask for TP with MMC on a threaded hole, we have to give it to them. There's no other way around it. That situation is not unique to threaded holes, we get prints with requirements that were obviously the product of an "engineer" that's never seen how a part is actually made or what it takes to make that part and inspect it.

    Being a machinist by trade, I've said for years that in order to be an engineer one needs to spend a MINIMUM of two years on the floor and actually making the parts they're attempting to design. This is coming from a guy that went to school to be an engineer.
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