Drilling Through A Concrete Floor

Drill through the predrilled holes in the wood and into the concrete to a depth inch deeper than the screw length.

Drilling through a concrete floor. A hammer drill takes the hard work out of the job as it hammers into the concrete as it drives doing the work for you. Some common mistake an average person makes can include trying to drill into concrete with a regular bit in a regular drill or even a concrete drill bit in a regular drill. Drilling into concrete can prove to be disaster if you don t know what you re doing and don t have the right tools. Once the core drill starts to go through the concrete wall maintain a smooth low speed.

For drilling into concrete without causing concrete cracks use a hammer drill not a regular drill. Next turn on the drill s hammer function and start drilling applying firm but not forceful. A rotary hammer drill is designed specifically for drilling holes in concrete rock brick or mortar. 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.

Older concrete however is often much more dense than some of the cosmetic concrete used in modern finishes so boring through a 50 year old concrete foundation with your old school rotary drill. Start drilling slowly with the attached guide drill on the core drill. To drill into concrete use a hammer drill with a carbide tipped masonry bit. After the core drill has gone through the wall up to about 0 5 inches it is advisable to unscrew the guide drill bit at this point.

The drill bit will heat up and also the dust needs to be released from the grooves. It is far better to do the drilling in small increments. Continuing to use the guide bit might make it to jam. Drill for maybe 30 seconds then pull the bit out of the hole.

Don t let a concrete wall or floor stop you from completing your project. Between them they cut through the concrete to make the hole cleanly and without the risk of the drill burning out. How to drill holes in concrete foundations. This guide reviews how to drill into concrete safely and effectively.

But the best way to drill to concrete is to use a rotary hammer drill paired with a 4 flute masonry bit. For a standard 1 inch bottom wall plate if you were using inch by 2. You also need to use a carbide tipped drill bit. A hammer drill delivers the hammering motion needed to drill through concrete a little more efficiently.

Then drill a shallow pilot hole using a low speed or short bursts.