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  1. 01-03-2010, 06:08 PM

    Thread: Can I use the "Perforated" DMT Duo-sharp for lapping Norton 4k/8k, and Naniwa 12K?

    by matt321
    Replies
    13
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    2,770

    I just found this old photo I took a few months...

    I just found this old photo I took a few months ago after starting to lap a Naniwa 10K with a DMT duo-sharp 220/325. The groove patterns are very faint.

    35749
  2. 12-26-2009, 01:42 AM

    Thread: Can I use the "Perforated" DMT Duo-sharp for lapping Norton 4k/8k, and Naniwa 12K?

    by matt321
    Replies
    13
    Views
    2,770

    The perforated DMT's are not as rigid as the...

    The perforated DMT's are not as rigid as the steel plate versions, so you would need to allow for that. Also, I used one to lap a hard stone (black ark) and it somehow created shallow grooves that...
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