How To Drill A 3 5 Hole In A Concrete Floor

Mark the center of the hole on the concrete and insert a small sized masonry drill bit in your drills chuck.

How to drill a 3 5 hole in a concrete floor.

Next turn on the drill s hammer function and start drilling applying firm but not forceful 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. If any time you feel the drill bogging down back off some. How to drill a hole in concrete with a hammer drill.

Next get into position to drill by planting your feet firmly on. Size is usually the better choice. 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. Drilling a hole in concrete is a common activity for professional contractors as well as do it yourselfers and is one that needs to be done correctly and safely.

3 ways to patch holes in a concrete floor. A lot of factors influencing this. What size and hardness are the stone used in the concrete floor usually these would be crushed granite stones between 1 2 and 1 in diameter. Begin drilling into the concrete applying steady pressure on the drill.

Once you ve drilled down as deep as you need to go change to a slightly larger drill bit. Once you have the right drill and drill bit mark the spot on the concrete you want to drill through. How to drill holes in concrete foundations. Here you can see how i patched some holes in my concrete sub floor.

Drill the hole again until it s the right thickness. There are a couple of situations when a hole would need to be drilled in concrete. What sort of hardness was the floor cast to sorry i m metric. Diameter screws are plenty strong for most home tasks like installing furring strips screwing down walls to concrete floors and attaching hardware to block or brick.

To drill into concrete use a hammer drill with a carbide tipped masonry bit. Increase the drill bit by 1 8 inch each time. Don your goggles then insert the appropriate tungsten carbide masonry drill bit for your desired hole size into the hammer drill. How to drill a 4 inch hole in concrete answered 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.