How To Drill A 4 Inch Hole In Concrete Wall

However if your wall is brick stone or concrete you ll need a masonry bit.

How to drill a 4 inch hole in concrete wall.

You ll need a drywall bit for a sheetrock or plasterboard wall which most household walls are made of. Start the drill at its lowest speed for better control. Step 4 when you start with a guide hole at least 1 8 inch deep your drill will be easier to control but all the same continue to operate the drill with a steady light but firm touch so you re. The wall is made with stay in place forms so the actual concrete forms a kind of waffle pattern which i think is about 4 thick at its thinnest point.

A standard drill bit is not large enough to make such a hole. Drill forward with steady light pressure. 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. Drill the guide hole to a depth of 1 8 to inch.

As much as you will be using the core drill a standard drill is still required in the initial stages to make the guide hole before you can fully switch to a core drill. I need to drill a 4 hole in the foundation of our house to vent a bath fan in the basement. When you have to drill large holes into concrete such as the 2 inch or 4 inch holes you will need to use a core drill. 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.

Before you drill a hole in the wall make sure you have the correct drill bit for your wall.