Match the correct anchor size to that of the concrete screw.
How to cut hole in concrete wall.
If necessary tap.
Double check your marks on both sides of the wall.
The best way to do it is by boring holes with a coring bit which looks like an oversize hole saw minus the teeth and pilot bit.
How to make cutouts through a concrete wall 1.
Sooner or later every building contractor has to run pipe or conduit through existing concrete walls.
Hang plastic sheets over.
Core saw or drill a core drill with a diamond bit is the best option for round cuts that you can pass wires water lines or other things through.
Mark the wall where you plan to make your cuts using a tape measure to verify the exact location and dimensions for.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Don t force a blade into a cut.
If you are going to cut a hole or drill through a concrete wall use the right tools to reduce the chance of damage to the wall.
Expand the drill hole to accommodate the anchor.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
In place of the teeth is a smooth or segmented edge studded with tiny industrial diamonds that cut concrete and rebar by means of abrasion.
If you are working with a concrete block foundation wall rather than solid concrete you may be able to use a carbide tipped core bit on a hammer drill to cut through the block walls.
Remove any concrete dust then press the anchor into the hole until it is flush with the surface.
Score the length of the cut three or four times with the chisel.