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Thread: Recommendations for 1/16th ballnose bits?

  1. #1
    Join Date
    Mar 2006
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    7,832

    Default Recommendations for 1/16th ballnose bits?

    Looking for recommendations for 1/16th ballnose and endmll bits?
    Are there any bits you could use to engrave in granite or marble?
    Words of Wisdom:
    “Words that sink into your ears are whispered…… not yelled”
    “The biggest trouble maker you’ll probably ever have to deal with, watches you from the mirror every morn’n”
    “The only difference between a rut and a grave is the depth”
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    Just remember...when it's time for the hearse to pull up..there's no luggage rack on top!
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  2. #2
    Join Date
    Sep 2006
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    Garland Tx
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  3. #3
    Join Date
    Jan 2008
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    Hobby-Tronics, Chiloquin Oregon
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    Default

    AKA: Da Train Guy

  4. #4
    Join Date
    Mar 2006
    Posts
    7,832

    Default

    Russ, unless that thing is made of gold a 1/16th bit isn't worth $61 bucks......at least not to me.
    Words of Wisdom:
    “Words that sink into your ears are whispered…… not yelled”
    “The biggest trouble maker you’ll probably ever have to deal with, watches you from the mirror every morn’n”
    “The only difference between a rut and a grave is the depth”
    -----------
    Just remember...when it's time for the hearse to pull up..there's no luggage rack on top!
    -----------
    The beauty of the Second Amendment is that it will not be needed until they try to take it...Thomas Jefferson

  5. #5
    Join Date
    Dec 2007
    Posts
    2,392

    Default

    I don't think you will be able to cut Granite with a carbide bit. You may get it to cut marble if the marble is soft.

  6. #6
    Join Date
    Dec 2014
    Location
    Crozet, Va
    Posts
    48

    Default

    Centurion tools in Louisa has one for $24. "solid carbide," Don't know if they are intended for granite.

  7. #7
    Join Date
    Feb 2018
    Posts
    21

    Default

    You can use carbide bits on marble, but for granite you need diamond. Most diamond bits intended for stone working require flood coolant, although some can work dry. But any time you're making dust out of hard materials like granite, you're not only risking health issues (silicosis) but you can damage your machine if the delicate sliding parts are not protected with bellows (although Shopbot's vee-wheel system is more tolerant of dust than other kinds of slides). Machines designed for stone work are different from woodworking machines, and need to be hardened against abrasive dust and slurry.

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