Pin Gauges

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  • #49133
    bobpat
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    Want to pick up a pin gauge set. What would be a good starting range as far as size, smallest to largest for use in watches and clocks?. And what do they mean when they say you can buy sets plus or minus?

    #58656
    tmac1956
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    Bobpat:

    Here’s the sets that I bought.
    Enco: Plus/minus http://www.use-enco.com/CGI/INSRIT?PARTPG=INSRAR2&PMAKA=327-2878&PMPXNO=22508007
    Ebay Plus/minus http://www.ebay.com/itm/350727698242?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

    I went a little smaller by using some guitar strings (down to .007)

    I hope this helps.
    Thanks,
    Tom

    #58657
    mclark3617
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    • Topics Started: 28
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    Plus or minus means there big or small from the mean. A .250 pin wont slip into a .250 hole.. It would be a press fit,,so you would need a .250 minus pin to fit into a .250 hole.
    The hole would have to be about .2505 for an on size .250 pin to slip into it.

    #58658
    bobpat
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    so. when it says go-no go, it’s dead on?..And if you were buying a set, wouldn’t it be metric? everything in watches is sold in metric.

    #58659
    mclark3617
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    They can be metric or english you can alway convert, i use english cause i understand it better, then convert to metric

    Go no go means just that,,two guages,,one goes in one doesnt. A .250 holes..a ,250 minus pin will go but a .251 pin wont.. A go nogo is usually only for production testing,,if you were reaming a bunch of holes and the .251 pin went in, the nogo pin, then you know the hole reamed oversize.

    #58660
    bobpat
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    thanks,, it’s becoming clear, not sure I want to convert every time I use them,I’ll wait til someone convinces me which to get.. LOL. that’s the set I was looking to get Tom. the Vermont set . Thanks for your info

    #58661
    mclark3617
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    If your not use to either go with the metric. Im just use to the standard sizes,,

    #58662
    bobpat
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    always great to talk to someone who knows instead of me guessing. Should I get plus or minus?

    #58663
    mclark3617
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    • Topics Started: 28
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    You should get minus guages

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bobpatPin Gauges