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Thread: Simple drill guide

  1. #1
    Frank S's Avatar
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    Aug 2015
    Peacock TX
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    Simple drill guide

    I bought a Miller Bobcat welder for real cheap at an auction because it had 3 broken head bolts and several other missing parts.
    To repair the broken bolts I first removed the head to have a look at possibly simply welding a washer and a nut on the to remove them. No such luck this meant I would have to drill them out.
    So I found a piece to steel tubing that fit very tightly in the holes of the head Actually it was tight enough to require tapping in place with a hammer the inside diameter was small enough that the drill bit I needed to use would almost drill out the entire body of the bolts leaving a thin shell and the threads.
    after drilling out the bolts all I had to do was use a small seal pick to break the remaining thread piece out
    the Guide served to hold the bit centered as well as a depth gauge for my drill Simple drill guide-dscf6552c.jpg Simple drill guide-dscf6809c.jpg Simple drill guide-dscf6810c.jpg Simple drill guide-dscf6811c.jpg Simple drill guide-dscf6812c.jpg
    Never try to tell me it can't be done
    When I have to paint I use

  2. The Following 4 Users Say Thank You to Frank S For This Useful Post:

    C-Bag (03-31-2016), lazarus (06-13-2016), Paul Jones (03-31-2016), PJs (03-31-2016)

  3. #2
    Content Editor DIYer's Avatar
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    Aug 2013
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    Thanks Frank S! We've added your Drill Guide to our Drilling and Drill Presses category,
    as well as to your builder page: Frank S's Homemade Tools. Your receipt:

  4. #3

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    Mar 2016
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    Thanks for the heads up. I generally don't have much input on this electronic device. I do appreciate being able to observe other peoples accomplishments. Learning by observation has been my only education since my failed attempt at high school many years ago. I have been repairing/rebuilding automotive industry slugs for better than 45 years. I have managed to collect many pieces of engineering oddities in my short lifetime. Thank you again for your allowance of a simple mind to observe your vast accomplishments unfettered.

  5. #4
    Paul Jones's Avatar
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    May 2014
    Del Mar, California
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    Frank S,
    This looks like a winner. I will try this technique next time when drilling free hand or on the drill press. Thank you,

  6. The Following User Says Thank You to Paul Jones For This Useful Post:

    PJs (04-01-2016)

  7. #5
    C-Bag's Avatar
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    Aug 2015
    California, central coast
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    Good one Frank, you don need no stinking EDM!

    Helps to have all kinds of scrap laying around, never know when it's going to save your bacon.

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  8. The Following User Says Thank You to C-Bag For This Useful Post:

    PJs (04-01-2016)

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