I ve hammer drilled through concrete to sink anchors but a 4 inch diameter hole is a little intimidating until you have the right tool.
How to cut hole in concrete block wall.
Cinder blocks can still be damaged by time and severe impact however.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Cutting hollow concrete block first score the line.
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.
How to cut holes in porcelain tile builders use many techniques to run pipe through concrete block walls but the easiest and most efficient way is to use a core drill.
Cinder block is a useful construction material since it is normally lighter than solid concrete and yet still durable enough to last under normal stress conditions.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Here s a few pictures of the right tool.
If you want to install a door or window in a wall made of cinder blocks you will need to cut a hole through the wall first.
Score the length of the cut three or four times with the chisel.
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.