These videos are good, but not one has addressed the problem of when the wall behind it is an outside concrete wall. I had to find out the hard way on my own. When your wall behind you tile is an outside wall, it will not be a hollow wall, which all these spread apart anchors/toggles are made for. No matter how deep you drill, you will not be able to hook up any anchor that has to spread out behind the wall. You have to use anchor plugs, plastic or metal. And make sure the screws are stainless steel, or else they will start rusting in and outside of the wall, with orange seeping down.
Tapcom Eric they are masonry screws that screw into a hole drilled with the correct size masonry drill bit for the screw no need for any anchor at all.
The no drilling required grab bars by nie wieder bohren Germany eliminate the need for having to drill and locate the studs. These bars are ADA compliant and can be removed if needed without any damage. Also offer all bath accessories, shower caddies and shower bars with the same mounting technology.
:26 seconds into the video - look at the placement the bit. Putting it on the edge of the tile you have a thousand times better chance of cracking the tile.