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Thread: sheared screws

  1. #1
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    Default sheared screws

    A problem I come across a bit in my work is a sheared screw in timber. Now even the smallest screw extractor is too small to remove the remaining shank, so I wonder what is the best way to solve this problem?
    I find getting a start and drilling the screw out is often next to impossible since the shank is often too deep to centre punch, and I usually end up breaking my 2-3mm bits.
    If the screw is somewhat redundant I will just leave it, or for eg. a hinge I may just drill a new hole to add the extra screw. I've also just seen nifty little scew extractors that are like a mini plug cutter or hole saw that cut a plug out including the bit of screw. Has anybody seen these? If the hole is the correct size for a dowel, these would be a very neat solution for eg broken door hinge screws.

    Cheers
    Michael

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  3. #2
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    Michael, making the "mini plug cutter" yourself is the go, try to find some type of hard metal tubing, maybe a pushrod or some stainless tube, file a few teeth in one end & chuck in your drill. Drill around screw stub, pop out the plug & glue in a dowel.


    Good luck........cheers...........Sean, nothing but the truth


    The beatings will continue until morale improves.

  4. #3
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    I just drill a hole either side of the screw so I can get purchase with some needle-nose pliers or side cutters, then screw it out. Then I drill a hole and cut a plug to suit.
    "I don't practice what I preach because I'm not the kind of person I'm preaching to."

  5. #4
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    Yes Yes ... all good advice I'm sure.
    But who will do something about the blatant false advertising in the subject title.
    I expected a tribute to the young ladies with ... ummm ... without .... umm

    Oh well I wasn't bloody expecting this


    DaveInBrazil
    Great minds discuss ideas,
    average minds discuss events,
    small minds discuss people

  6. #5
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    Hmm, I've never heard that 'syle' referred to as 'sheared' before. Are you sure you're not a Kiwi, Dave? Look at my Avatar. Now tell me what your feelings are...


  7. #6
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    .. and here was I thinking how well this thread had gone.... I was expecting a "well you're not home now pal, get one of your own"


    Cheers,

    P

  8. #7
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    Default Sheared screw

    The advice of seasoned woodworkers is to use steel screws until happy with the fit, then replace them with brass. Too much advice too late perhaps.

    And then there is the other option - if it is only one screw, it probably does not matter for the load bearing - so glue a head into the hinge with a little 2 part epoxy. And tell no one

    regards
    Peter Byrne

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    Quote Originally Posted by peter byrne
    if it is only one screw, it probably does not matter for the load bearing - so glue a head into the hinge with a little 2 part epoxy. And tell no one
    Yes Minister
    Stupidity kills. Absolute stupidity kills absolutely.

  10. #9
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    Quote Originally Posted by peter byrne
    The advice of seasoned woodworkers is to use steel screws until happy with the fit, then replace them with brass. Too much advice too late perhaps.

    And then there is the other option - if it is only one screw, it probably does not matter for the load bearing - so glue a head into the hinge with a little 2 part epoxy. And tell no one

    regards
    Peter Byrne
    Great advide to be sure but I'm talking about the screw that's rusted in place for 30-100 years
    cheers
    Michael

  11. #10
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    The easiest source of hardend tube is "rolled Pins" that aer spring steel driven in to secure shafts available in a variety of sizes.
    cheers

  12. #11
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    Great tip soundie !!!


    Cheers...........Sean, not slow, just 'puter out of action for a while


    The beatings will continue until morale improves.

  13. #12
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    Default thanks scooter

    Quote Originally Posted by scooter
    Michael, making the "mini plug cutter" yourself is the go, try to find some type of hard metal tubing, maybe a pushrod or some stainless tube, file a few teeth in one end & chuck in your drill. Drill around screw stub, pop out the plug & glue in a dowel.


    Good luck........cheers...........Sean, nothing but the truth
    Hi Scooter, it's been a while since this original post but I finally got round to making this out of a piece of tubing I had lying around. It works a treat, thanks for the idea! I think I just made my first woodworking tool.

    It's also a pretty good fire starter I reckon
    CHeers
    Michael

  14. #13
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    Cool, Michael, well done


    Cheers...........Sean, so help me God


    The beatings will continue until morale improves.

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