I bought a Samsung 75" Q70R and am using a Sanus LL11 stand and these screws are not working properly because they are actually too long. I instead of the The supplied washers had to use the plastic standoffs that came with the TV as they press against the base without holding the wall brackets in place. Unfortunately this results in the screw heads protruding far enough to interfere with the wall bracket, which means the tv isn't hanging straight.I am waiting for a set of 40mm screws to arrive which I will probably use with the washers that come with those screws.I hope they do and I will use these Update review when they arrive Update: 40mm screws fit perfectly on my thin TV and wall mount Washers that came with these screws. In hindsight, I probably would have used steel washers, but it worked. I also used medium strength threadlocker on the screws. Too bad these screws don't fit my application.
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