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Thread: Source for ceramic detent balls?

  1. #1
    Join Date
    Mar 2001
    Location
    Lake Milton, Ohio
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    Source for ceramic detent balls?


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    I have a folder that has a cheesy plastic detent ball in it, it kind of pi**ed me off when I figured it out because this is an expensive knife (~$400). Not sure what it's called but it's a silicon based plastic that's slippery, problem is it's wearing down fast..

    Anyway, I want to replace it with a ceramic bearing and can't seem to find any.

    I would only need 3 or 4 not 1,000 which may present a problem also.

    Any suggestions?

  2. #2
    Join Date
    Nov 2008
    Location
    NY
    Posts
    11

    source for ceramic balls

    I would do a general search BUT im sur if yiu start with ebay you be able to get some hits. Good luck.

  3. #3
    Join Date
    Jan 2006
    Location
    Mississauga Ontario
    Posts
    533
    If its a 400.00 dollar knife, then call the customer service dept and complain.
    I broke my 50.00 gerber multiplier, I shipped to oregon and they shipped me a new one.
    No issues.

    Frank

  4. #4
    Join Date
    Feb 2010
    Location
    Altoona, IA
    Posts
    2,571
    Just curious, what makes you think it is plastic? I would have a lot tougher time finding a plastic detent ball than a ceramic, Silicon Nitride, or steel ball. Took about one search on ebay for "1/16 ball" to find them. I didn't find 3-4, but I didn't look hard either. here is an auction for five of them:

    http://cgi.ebay.com/Five-1-16-Silico...efaultDomain_0
    Quote Originally Posted by Alexander Graham Bell
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    http://www.atlasknife.com
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  5. #5
    Join Date
    Jul 1999
    Location
    Great Falls, Montana
    Posts
    1,399
    I might be wrong here, but common sense tells me that if you replace the detent with a ceramic ball, your going to run into another issue...scoring the blade along the detent path. Don't know if that would be an issue for you or not.
    It also occurs to me that the company MAY have intentionally put a detent ball in the knife that is softer than the blade....so that the detent wears rather than scoring the blade along the detent path. I would think it would be less costly and labor intensive to replace a detent than to fix or replace a scored blade. ...... just some thoughts.

    Obviously the ideal situation would be that nothing wears/wears out on a knife like that, but consider all your options before doing something that might create more problems than it solves.

  6. #6
    Join Date
    Dec 1998
    Location
    Holden,Ma.
    Posts
    4,579
    A ceramic ball does score the blade but it then burnishes it and polishes the path. An advantage is that you don't have to mask it when you anodize.

    Visit my website at www.gedraitisknives.com

  7. #7
    Join Date
    Nov 2008
    Location
    NY
    Posts
    11

    Source for Silicon Nitride balls

    Boca bearing sells ceramic balls in a variety of sizes from quantity 1 to N

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