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Thread: Countersink tool with an adjustable integral depth stop

  1. #1
    Supporting Member thehomeengineer's Avatar
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    thehomeengineer's Tools

    Countersink tool with an adjustable integral depth stop

    Hi All

    This is my homemade countersink tool with an adjustable integral depth stop that doesn't mark the work piece on a No. 2 Morse taper. In my opinion there is nothing worse than seeing countersinks all different sizes on a component. I designed this so I could set the tool up and not have to faff around with the depth stops on the machine. Using depth stops is not a problem if all the holes are on the same plain, but as you will see from the video this really quickens up production and more importantly to me maintains the same size countersink on the components when they are not.

    Countersink tool with an adjustable integral depth stop-img_0521.jpgCountersink tool with an adjustable integral depth stop-img_0522.jpg

    Thank you for taking the time to view the short video

    The home Engineer

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  2. The Following 17 Users Say Thank You to thehomeengineer For This Useful Post:

    Baddog (Aug 7, 2020), Captainleeward (Jan 20, 2018), Carnel (Aug 7, 2020), Corm (Jan 21, 2018), dgbreggin (Aug 26, 2022), Home-PC (Mar 18, 2022), Moby Duck (Jan 20, 2018), Okapi (Aug 7, 2020), olderdan (Jan 20, 2018), Paul Jones (Jan 20, 2018), PJs (Jan 28, 2018), rgsparber (Oct 22, 2018), rlm98253 (Jan 20, 2018), Seedtick (Jan 20, 2018), swk (Mar 18, 2022), Tonyg (Aug 7, 2020), Toolmaker51 (Dec 18, 2023)

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    Thanks thehomeengineer! We've added your Countersink With Depth Stop to our Metalworking category,
    as well as to your builder page: thehomeengineer's Homemade Tools. Your receipt:



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    Last edited by Jon; Mar 17, 2022 at 05:22 PM.

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    petertha's Tools
    That is really smart. Good job.

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    Supporting Member tmoore4748's Avatar
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    Any chance to get some extra photos/engineering on this tool? I'd love a chance to make my own, especially now that my lathe is up and running!

  6. #5
    Supporting Member thehomeengineer's Avatar
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    thehomeengineer's Tools
    I will take some more photos and post

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    Supporting Member Okapi's Avatar
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    Okapi's Tools
    You have the same opinion than me about the regularity of countersink, when I was an apprentice, it was a very serious action, like shaping corners with the file, I remember we do make a mark for the precision of the angle cutting value.

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    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    It's brilliant. While a similar device is used in hand held drill motors (super typical in aircraft assembly), equally, if not more sensible in a quill machine. The demonstration proves it, used in widely different Z position.
    Hand held version has micrometer-like graduations on a threaded barrel to control cylinder of depth stop.

    No excuse how I've missed this since 2018. . .



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    Toolmaker51
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