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Thread: What size grit

  1. 04-17-2007, 11:47 PM #1
    willist
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    Default What size grit

    I would like to flatten my Norton 4K/ 8K, using wet/dry sandpaper on glass. What grit for each side do you guys recommend?
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  2. 04-17-2007, 11:55 PM #2
    mparker762
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    600 grit, both sides. Do the 4k side first, then the 8k, then rinse it under running water while rubbing it firmly with your palm or with a nylon pot scrubber to help loosen any grit that may have embedded in the stone.
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  3. 04-18-2007, 01:44 AM #3
    xman
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    Why 600? Why not 800 or 1k?

    X
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  4. 04-18-2007, 02:04 AM #4
    randydance062449
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    I like to finsh with 1000.

    Just my two cents,
    Randolph Tuttle, a SRP Mentor for residents of Minnesota & western Wisconsin
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  5. 04-22-2007, 01:00 AM #5
    mparker762
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    Quote Originally Posted by xman View Post
    Why 600? Why not 800 or 1k?
    On their instruction sheet Norton says to use 600 grit wet/dry to lap the hone. Other grits will obviously work but 600 is not an arbitrary number, or at least it's not *my* arbitrary number.
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  6. 04-22-2007, 02:38 PM #6
    Evan15342
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    When finishing the 8k with 1k paper, it gets too smooth for my taste, causing excessive suction with wedges and unnecessarily slow cutting, and doesn't seem to produce any better of an edge than when lapped with 400 paper. Just my .02. Has anyone else had problems with stones being too smooth?
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  7. 04-24-2007, 12:33 AM #7
    Howard
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    Default Try the paper and see if you're happy

    I tried papers for flattening stones and it made me crazy. I eventually ended up with a DMT diamond hone in Coarse. You can lay into it and flatten a hone in under a minutes. I kept tearing the papers and I got frustrated.
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