What size screw are needed to mount tv

Welcome aboard to the Roku Community, Miketerpening31.

Thanks for inquiring about the size of the screw on your ONN Roku TV. We're here to provide information. 

Please be advised that if a third-party company manufactures your Roku TV model, there may be specific differences in its hardware specifications or features, such as screws to mount your TV. Therefore, the best option is to contact the TV manufacturer for further assistance. You can refer to this support article to find out where to get support for your Roku TV.

Let us know if you need more help; we're always ready to assist you.

Warm regards,
Emman