Readers ask: How To Drill Concrete Floor?

Can you use a regular drill to drill into concrete?

It is possible to drill into concrete with an ordinary rotary drill. Rotary drills take longer to drill into concrete than hammer drills and more physical effort is required. Excessive heat build-up can break the drill bit. One way to speed up the process and to avoid breaking the drill bit is to keep the bit cool.

How do you drill a hole in a concrete floor?

Start the drill at its lowest speed for better control. Drill forward with steady, light pressure; do not force the drill. Drill the guide hole to a depth of 1/8- to ¼-inch. Stop the drill, sweep or blow away the accumulated concrete dust and pull out the drill.

What is the best drill bit for drilling concrete?

Drill bits that can drill through concrete are called masonry bits. They are also good for drilling through brick and stone. Drill bits with a tungsten carbide tip are the strongest; when it comes to solid concrete, the sharper the better. Masonry bits cut holes through concrete in two steps.

Is drilling into concrete bad?

It’s safe to drill into the slab and foundation, as long as it’s not big holes. And you don’t want two access holes/ slots coming in at a 90 degree angle to each other.

Will drilling into concrete crack it?

Drilling, nailing and screwing can all cause concrete to crack if they’re not done properly. Although it seems like a very tough material, concrete is in fact extremely brittle and prone to cracking.

Will a cordless drill go through concrete?

In most cases, yes. While a cordless drill will not be as effective in drilling through concrete, it can get the job done. A standard cordless drill has numerous applications when it comes to our home small projects, and surprisingly, it can be used to drill into stone or masonry.

Can you screw directly into concrete?

Concrete screws provide a quick, easy and incredibly strong way to fasten to concrete. And best of all, there’s no hammering required or anchor or shield to install. All you do is drill a hole and drive in the screw. That’s it.

Can I drill into concrete without a hammer drill?

Things You’ll Need



You can drill holes in concrete with a regular drill. Many people think that you cannot drill concrete with a regular drill. They believe that you need a special hammer drill with hardened drill bits. While these tools do make the job faster they are not necessary.

What is the best hammer drill for concrete?

The Best Hammer Drills of 2021

• Bosch SDS Rotary Hammer RH328VC.
• DeWALT 20V XR Hammer Drill.
• Bosch 11255VSR Bulldog Xtreme.
• DeWALT 7.8-Amp DW511 Hammer Drill.
• Tacklife Electric 2,800 RPM Hammer Drill.
• Skil 6448-04 7.0 Amp Hammer Drill.
• Makita XPH12Z 18V Brushless Cordless Drill.
• Black and Decker Hammer Drill 6.5 Amps BEHD201.

Should I use water when drilling concrete?

Though you don’t need to water down the concrete, the water will help to collect and remove the drilling dust, which can be hazardous to your health and “clog” the drill bit. The water can also help to keep your bit from overheating, which in turn helps keep the bit from shattering.

Can I use metal drill bit for concrete?

Almost all drill bits are made of metal. With few exceptions, metal bits are the most practical choice for every surface including wood, concrete, tile, glass and metal surfaces, as well.

What is the hardest drill bit you can buy?

Cobalt (HSCO) is considered an upgrade from HSS because it includes 5-8% Cobalt blended into the base material. This is a great option for drilling into harder steel as well as stainless steel grades. Carbide (Carb) is the hardest and most brittle of the drill bit materials.

How long does it take to core drill a 4 hole in concrete?

Depends on the size hole and the thickness of the concrete. For hoes 1 1/2″ and under, using a good percussion masonry bit in a hammer drill, it would only take 60 seconds or less to get through a 4″ concrete slab. Larger diameter holes require the use of a core drill.

Will a hammer drill go through concrete?

A hammer drill is perfect for light masonry. It works best at drilling holes in bricks, mortar and concrete blocks. But it can also handle the occasional hole in poured concrete.

How do you drill into old concrete?

Drilling into concrete requires the right drill. Choose a hammer drill with a tungsten carbide bit. Mark the spot where you want to drill, then drill a shallow pilot hole. Use the drill in short bursts for slower speeds and greater control.