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Obscure screw added so appliance cannot be disassembled
(lemmy.world)
Basic blender went bad (motor ran but spindle wasn't rotating). I wanted to disassemble to see if it could be repaired. Three of the four screws were Phillips head. I had to cut the casing open in order to discover why I couldn't unscrew the fourth. It was a slotted spanner.
Harbor freight has sets of tamper resistant bits. They are also handy for regular Allen and torx heads.
This right here. I bought their security bit set and, true, I've only ever opened the case three times in the few years I've had it, but in those three times nothing else would have worked without a more destructive solution
Here’s the link, it’s helped me out a bunch of times in the 6-8 years I’ve had it.
2 notes though
Just to add to your comment, the sell a smaller set for a few dollars less and also a "precision" screwdriver set that has some similar bits not but the full set. Both are very handy to keep around for this exact thing.