Attached is a picture of a security screw that I am having trouble finding a bit for. It's out of a La Cross 7-UP machine from the early 60's. Sorry for the lack of clarity in the picture. I had trouble getting the camera to focus on the screw.
It has a rectangular middle with a curve on either end:
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Any ideas? Any flathead bit that will fit is not thick enough and won't work. I could take a bit that is thick enough and too long and use a dremel to make it fit, but I would rather find the right bit if possible...
Thanks!
