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Thread: Countersink Tool

  1. #1

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    Default Countersink Tool

    What tool should I get to make the countersinks for the AN246AD-3-4 solid rivets that are used to attach the wingtip attachment plates? These have a 100 degree angle for the countersink.

    Or - how should I do it?

    Thanks

    Tom

  2. #2
    Senior Member Dave S's Avatar
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    Default Re: Countersink Tool

    Tomfox,

    My assumption is Kitfox should have these available since the kit calls for 100 degree

    Otherwise a machine tool company should have them.....for example MSC below (and others)

    http://www.mscdirect.com/product/details/01053321

    For what it is worth.....single flute countersinks, in my experience, make a much neater cut without chattering or tool marks. I did get three different sizes, however, I don't think a person would need more than one size as larger diameter countersinks can be used on any smaller diameter work.

    For bonus points...the single flute countersink makes a great deburring tool.

    Sincerely,

    Dave S
    KF 7 Trigear
    912ULS Warp Drive

  3. #3
    Senior Member HighWing's Avatar
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    Default Re: Countersink Tool

    This might sound strange at first read, but I much prefer the Zero Flute Countersink. I happened on one many years ago at an aircraft fastener business owned by a friend. I then searched for a replacement not knowing what they were called. Amazon has them.
    Lowell Fitt
    Goodyear, AZ


    My You Tube Channel

  4. #4
    Senior Member Dave S's Avatar
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    Default Re: Countersink Tool

    Lowell,

    Is that the one which instead of a flute has a round hole cut into the side of the cone?

    Dave S

  5. #5
    Senior Member HighWing's Avatar
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    Default Re: Countersink Tool

    That is the one.
    Attached Images Attached Images
    Lowell Fitt
    Goodyear, AZ


    My You Tube Channel

  6. #6

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    Default Re: Countersink Tool

    For what it's worth, For the use you are contemplating. Harbor freight has a multi size pack for just a few bucks. I used them for a bunch of different things & they worked great.

    Dutch
    Last edited by Dutch; 10-07-2014 at 01:06 PM. Reason: clarifycation

  7. #7

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    Default Re: Countersink Tool

    Enco machine tool supply has a large variety of counter sinks including 100 deg. www.use-enco .com

  8. #8
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