Sorry i just re read your post.
Making hole in concrete wall.
Here s a few pictures of the right tool.
Match the correct anchor size to that of the concrete screw.
Easiest way is to call diamond drilling or a similar company and have them come out and drill all your holes for a few hundred dollars.
Once you are done with the drilling it will remove the large center piece to leave you with a large hole.
A core drill is simply a drill bit used for making the large holes in concrete and masonry materials.
Menards and other places rent core drills for large holes in concrete.
If necessary tap.
Expand the drill hole to accommodate the anchor.
5 line up the blade of a.
Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit.
The hole should be slightly smaller than the maximum width of the.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete.
These holes will mark the boundaries of the opening and help guide your cuts.
Unless you want to buy a hilti dd100 and the bits which will cost you way more than hundreds.
The walls at our new place are 6 inch thick concrete it s an old naval base and we needed a few holes for vents.
The size depends on the application.