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Posted by D Sherman [72.47.9.228] on Thursday, August 05, 2010 at 03:39:12 :
I have something I need to take apart that's held together with a bunch of screws that have one looks like phillips heads on them, except instead of having 4 slots (or teeth or notches, as you prefer) they have three, equally spaced. It's obviously some kind of security design intended to keep me from taking it apart, but my security bit sets don't have anything like that in them. Has anyone here seen such screws, or more importantly, a screwdriver that will remove them? When I put it back together I'll use normal screws, assuming they didn't use left-hand threads or an oddball pitch just to make it even more difficult. Worst case, I suppose I just have to try to back them all out with vise-grips if I can grab them but there are a lot of screws and I suspect they're in pretty good.
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