Hitting a black granite rock in the middle of a 16 wall that is a challenge.
Hole through concrete wall.
It s not only the drill you use that makes a difference when making a hole in concrete.
Most people drilling large holes love it for being an all in one design.
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.
Patching such holes is a necessary part of keeping your concrete foundation wall in good repair.
Cutting a hole through a cinder block wall is a messy and time consuming project and it requires safety equipment such as ear plugs a respirator and eye protection.
Whatever you do don t use regular drill bits for concrete.
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.
Then drill a shallow pilot hole using a low speed or short bursts.
I was using a small jack hammer and it took a lot of time to get through.
As a result it will be easy to go through the concrete wall without necessarily applying a lot of pressure.
Concrete cuts pretty easy.
Now a field stone foundation wall that s another matter.
When i ve cut or drilled regular concrete it is relatively soft and cuts drills easily greg l.
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.
That durability can be quite the obstacle however for homeowners trying to mount an art installation on a concrete feature wall drill a hole to set a fence post at the end of the driveway or.
The result is that you end up with clean and accurate holes.
Sooner or later every building contractor has to run pipe or conduit through existing concrete walls.
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.
Most pipes gas lines water lines and other inserts that need to stub through a concrete foundation are drilled for by the contractor during the.
While you might be able to get away drilling into a concrete wall with a regular drill you can t get away with using a standard drill bit.
To drill into concrete use a hammer drill with a carbide tipped masonry bit.
Once you have the right drill and drill bit mark the spot on the concrete you want to drill through.
Such a design ensures there is an efficient transfer of power.
How to drill holes in concrete foundations.