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Sheet metal hole forming attachment?

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  • Sheet metal hole forming attachment?

    Hi All,

    I saw a metal hole forming attachment somewhere, but can't remember the name.

    It was a sort of like a drill for sheet metal, but instead of cutting the metal like a twist drill, it would spin, and through friction, heat it red hot and then pierce through leaving a sort of flange. The flange could then be tapped for threads.

    The attachment went in a drill press or milling machine, and had a heatsink/fan to keep itself cool. It looked kind of like a tapping head, and would accept different size bits.

    Anyone know what I'm talking about? I think I need one now, and can't remember the details.

    Thanks,
    Walt

  • #2
    Thermal drilling. Formdrill.

    http://www.formdrill.com/english/index.html

    Nev
    Nev.

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    • #3
      Yup, that's it. Thanks!

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      • #4
        Another source for a similar product,

        http://www.flowdrill.com/

        I have a Flow Drill, acquired with some other stuff. No bits though, so never used it.

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