On July 25, 2023 at 18:15, tomciara said...
8" steel posts, what to stick to them.
2 holes in the single arm mount. I could add a third hole.
Some sort of self tapping screw, but yanking the TV left and right over time, wondering if the torque will pull them loose over time.
Next time you're driving, look at a traffic or light pole- they mount all kinds of things on these and none involves drilling holes into the pole, whether solid or pipe.