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Knock-off diamond plates?

Discussion in 'Maintenance, Tinkering & Embellishment' started by leozinho, Apr 15, 2018.

  1. Apr 15, 2018 #1
    leozinho

    leozinho

    118
    Jan 7, 2005
    Anyone tried the cheap diamond plates on Amazon or EBay? (They look like copies of the DMT Diasharp.)

    I’m mostly using waterstone now but need something for traveling that I can throw in the bag. Shapton Glass is not in the budget right now.)

    If you have tried them, what was your impression? Exactly which make/model did you try?
     
  2. Apr 15, 2018 #2
    Equipped4life

    Equipped4life Gold Member Gold Member

    161
    Apr 23, 2015
    Leo,
    I haven't tried the knock-offs, but see no reason not to buy the real deal, especially since the DMT's are on sale today with Amzn Prime.
    I just bought 2 DMT's

    the minis are $18.50 for a set of 3

    the 6" with plastic box are around $30-$40 each

    and the pocket credit card ones are around $10

    Mods. if posting these links are not allowed please take down or let me know and I will remove.
     
    Last edited by a moderator: Apr 15, 2018
    Mr.SATism likes this.
  3. Apr 17, 2018 #3
    bucketstove

    bucketstove

    1,045
    Sep 23, 2014
    Hi,
    There are lots of non-trademark infringing unbranded diamond plates out there,
    a whole lot of them (all?) seem to be made by "DMD" brand,
    like the harbor freight diamond sharpening plates,
    The thin 6.69inch/2.95inch #80-#3000 "grit" (or mesh?) ... seem like good deal at ~$3-$4 shipped
    as long as you're aware of and dont mind the potential issues
    the problems with these they could
    take a month before they arrive using free shipping
    could need returning back to seller because
    come damaged or falling apart,
    could be easily damaged despite using the required low pressure with them,
    need straightening/flattening (the thin stuff)
    need gluing to a backing/board/another thin plate to stiffen up
    come too coarse and need breaking in or zero pressure super ultra light lapping to give finer grit finish
    ...
    unlike the harbor freight plates they have no holes

    See The Ultrasharp 300/1200 DMD 400/1200 and the DMT duosharp C/F for a baseline

    A local korean/asian/japanese supermarket sells this for $20, its cheaper online and the individual plates can be found for ~$3
    [​IMG]
     
  4. Apr 17, 2018 #4
    leozinho

    leozinho

    118
    Jan 7, 2005
    Thanks Bucketstove.

    i have my eye on these.
    https://www.amazon.com/Jewboer-Diam...id=1523983228&sr=8-4&keywords=jewboer+diamond

    It's probably the same thing you find on cheap Chinese sites for $5. You pay a bit for the convenience and speed of Prime shipping.

    Supposedly these are electroless nickel plated (which would be the same method as the DMT stones) so maybe better than the cheapest of the cheap which supposedly has the diamonds glued on.


    I also want something small for a true portable sharpening system. Might just go with tried-and-true DMTs Minis for that. Or the credit card sized one.
     
    bucketstove likes this.
  5. Apr 17, 2018 #5
    mycough

    mycough

    2,774
    May 20, 2007
    The sk11 models on Amazon work well for the money.
    That said, I have good luck with DMT. Low pressure, quite aggressive, and not too messy.

    Russ
     
  6. Apr 17, 2018 #6
    Mo2

    Mo2

    5,479
    Apr 8, 2016
    Some of the plates are of sub parts quality and or incorrect grit ratings. Other than that, they should work for the most part. I personally rather buy once and cry once.
     
    Sonnydaze likes this.
  7. Apr 18, 2018 #7
    Alberta Ed

    Alberta Ed

    6,017
    Jun 29, 1999
    You generally get what you pay for. My DMTs have lasted for decades.
     
    Mo2 likes this.
  8. Apr 18, 2018 #8
    Sonnydaze

    Sonnydaze Gold Member Gold Member

    10,225
    Jul 6, 2009
    You betcha...
     
  9. Apr 20, 2018 #9
    leozinho

    leozinho

    118
    Jan 7, 2005
    I ended up with DMT Diafolds. I love saving a buck but with the form factor and their superior reputation, I decided there's no reason to mess with the knock offs.

    Thanks all.
     
    Mo2 and mycough like this.

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