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Thread: Tamperproof screw - what type is this?

  1. #11
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    Quote Originally Posted by BradC View Post
    I’d use a left handed drill bit and then an ezout. My other option would be to epoxy something like an Allen key (cheap and plentiful) in the head and wait for it to cure.

    edit: after another look, I’d just get a flat blade screwdriver that fit as closely as possible and file a notch in the middle.

    By now I'd be thinking of using 1Kg of C4.

  2. #12
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    Quote Originally Posted by onebob View Post
    Yup - and someone before has had trouble, or maybe it failed from over tightening. see photo....
    Well that shot now shows the true damage unlike the first one.

    I'd still go with the Steel Tube option, but now, cut as many serrations as you can across tube end, not deep but quite shallow, but pointy if you can do that with an angle grinder with a Cutting Disc. Saw tooth style.
    Try & do that so the vertical edge of the cut is going to dig in as you turn in the required direction.


    Fiddly? Yes but the joy you shall feel when it stars to turn will be humongous & well worth the aggro my son, & your rewards in heaven await you..


    Then it is time for the C-4


    EDIT. What was I thinking? A 6 year old kid could dismantle it before you could say WTF.
    Last edited by p38arover; 5th April 2021 at 12:21 PM.

  3. #13
    Roverlord off road spares is offline AT REST
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    Quote Originally Posted by onebob View Post
    Yes, but not very helpful Jan,
    .... err Marisa,
    damn it ! MARIO
    ok, it depends how tight they are torqued up, if not tight they might e able to be turned with something a plastic biro, melt the plastic on the end than press and hold against the head, this will mold the shape and the plastic will reharden, but all depends on how tight the are.


  4. #14
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    Quote Originally Posted by Roverlord off road spares View Post
    ok, it depends how tight they are torqued up, if not tight they might e able to be turned with something a plastic biro, melt the plastic on the end than press and hold against the head, this will mold the shape and the plastic will reharden, but all depends on how tight the are.


    Mario is right uou know. Depends on the tightness of the threads &/or whether it could could have bottomed out already. I am not familiar with your battery & it 's construction but just basing my opinion on what I can see & how I would go about it if it were mine. It could have even been Threadlocked in AFAIK.

    Adding a squirt of WD-40 or it's equivalent could also work wonders if allowed to penetrate down the thread for a day or so before trying to remove it, but make sure any excess is cleaned up before you bugger up what positive surfaces you already have with a slipping tool. And nobody wants one of those. Or do we?.


    After thought.

    Is it possible to even heat/warm the surrounding surfaces so that it can expand & loosen?????

  5. #15
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    Tamperproof screw - what type is this?

    SUCCESS Tamperproof screw - what type is this?🥳 Actually, it turns out that my photos that I was going on, were perfectly deceiving because the “screws” are actually grey plastic bolts with a deep reverse cross slot in the head. I was probing with a long flat blade screw driver and it seemed somehow to get some purchaseTamperproof screw - what type is this? so I turned, and it suddenly went loose Tamperproof screw - what type is this? .... after a nervous pause I continued turning until I could feel that it was fully outTamperproof screw - what type is this?There are traces of construction glue on the bolts, don’t know if that is from the original assembly or when it was previously repacked.

    Thanks to ALL Tamperproof screw - what type is this? who contributed to the thread. I hope it helps someone else.



    LROCV member #131
    1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....

  6. #16
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    Quote Originally Posted by onebob View Post
    SUCCESS Tamperproof screw - what type is this?🥳 Actually, it turns out that my photos that I was going on, were perfectly deceiving because the “screws” are actually grey plastic bolts with a deep reverse cross slot in the head. I was probing with a long flat blade screw driver and it seemed somehow to get some purchaseTamperproof screw - what type is this? so I turned, and it suddenly went loose Tamperproof screw - what type is this? .... after a nervous pause I continued turning until I could feel that it was fully outTamperproof screw - what type is this?There are traces of construction glue on the bolts, don’t know if that is from the original assembly or when it was previously repacked.

    Thanks to ALL Tamperproof screw - what type is this? who contributed to the thread. I hope it helps someone else.






    Good show old bean, good show. So not really Tamper proof after all? I guess it was filled with some hard crap originally.

    That nervous pause you mentioned. Seems like eternity doesn't it?


    Now why does your bolt remind me of a Hot Cross Bun? Must be chow time here.

  7. #17
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    my immediate thoughts

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    tamper proof screws

    Glad to see you were successful in removing those screws. Just a hint for others in similar situations, I have used a dremel with a cutting disc to put a slot in the head, and then use a flat blade screwdriver. Only useful if there is access to the screw without damaging the housing too much.

  9. #19
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    Quote Originally Posted by fredd63 View Post
    Glad to see you were successful in removing those screws. Just a hint for others in similar situations, I have used a dremel with a cutting disc to put a slot in the head, and then use a flat blade screwdriver. Only useful if there is access to the screw without damaging the housing too much.
    I've used a series of fine drill holes to achieve the same outcome many times........... just a different way of doing it.

    DL

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