The first picture looks like your mount bolt is crooked. Not sure how that is even possible unless the bolt was somewhat loose or at least not torqued. When I changed my mounts, I had to pull my carpet up and put a pry bar against the speed nut in the floor to stop it from turning and get proper final torque. One nut cage would not hold while torquing even though it felt tight while the nut spun past the rounded part, causing resistance. My thought is the bolts were zipped in at the factory, and the nut cage is a one-time-use design for tightening, making it difficult to torque a second time. After taking my cross measurements to make sure everything was square, obviously.
Could the bolt shank be bottoming out on the nut? Not likely, but it does not hurt to ask.
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