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What is the grain size in Micron of the 1500, 2200 and 3000 Diamond Stones?

Recent Forums Main Forum Techniques and Sharpening Strategies Abrasives What is the grain size in Micron of the 1500, 2200 and 3000 Diamond Stones?

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  • #53414
    Haffner
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    • Topics: 4
    • Replies: 29

    The knivesandtools.com website rates them as similar to a Japanese 3000, 6000 and 8000 grain size.
    But what will they be in terms of microns?
    Based on Grand Unified Grit Chart, my guess is 4.5, 2 and 1.2 Micron, but I’m no expert…

    #53415
    Organic
    Participant
    • Topics: 17
    • Replies: 929

    9.7 micron, 7.1 micron, and 5.0 micron respectively.

     

    See page 2 of this thread: 2200 / 3000 stones.

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    #53416
    Mr.Wizard
    Participant
    • Topics: 5
    • Replies: 181

    I used these new optical image values in revision 9 of my grit chart.  The original 1500 was apparently at least as fine as the 3000 stone, which agrees with the 5 micron value I had for it before.  See the thread Organic linked above.

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