Quote:
Originally Posted by Seginaway
Screw appears to have the bowl shape, concave like, that doesn't allow the Torx screwdriver to seat all the way down. It would be the same as a flat-head screwdriver that couldn't seat firmly in the slot if the slot was concave. The edges of the slot would preclude the screwdriver blade from seating firmly into the slot.
It is not the Torx security with the protruding center post.
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I agree with rotorblades - you're describing a screw head that could not have been used to i
nstall the screws, either. Suspect some substance was put in there after the thing was assembled.