I have a 32 inch piece of Vizio Smartcast TV junk. (Never buy a Smartcast. It's the worst TV I've ever had). Aluminum. I bought these screws to attach the TV to a homemade adapter. The set leaves a lot to be desired. It's a tiny ziploc bag with all those bolts and washers mixed together, with no label to say what size they are. You have to dig them all up and pull out four of the same size. No extras. In the end it worked for my purposes, but I wasn't thrilled. The bolts should be much longer and the washers larger. It was quite difficult trying to attach these tiny screws to my homemade device, but it worked. It's been a few months
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