How do you make a big hole in a concrete floor?

How to fill a Large Hole with Concrete

Step 1: Use a hammer and a cold chisel to level the bottom of the hole.
Step 2: Brush on a concrete bonding liquid.
Step 3: While the bonding agent is still tacky, mix the concrete.
Step 4: Level the patch.

Can I drill a hole in concrete with a regular drill?

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 into concrete without cracking it?

For drilling into concrete without causing concrete cracks, use a hammer drill, not a regular drill. You also need to use a carbide-tipped drill bit. These two pieces of equipment can make a great deal of difference.

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. Your drill’s battery power and other drilling features will play a role in its ability to drill into the concrete effectively.

Will concrete crack if I drilling into?

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.

What is the best concrete repair product?

Sakrete Polyurethane Non-Sag Sealant is the best product for repairing cracks or filling joints in a vertical concrete surfaces.

What is the difference between cement and concrete?

What is the difference between cement and concrete? Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is a mixture of aggregates and paste. Cement comprises from 10 to 15 percent of the concrete mix, by volume.

What type of power drill do you need to drill through concrete?

hammer drill
The best drill for concrete today is one of two tools: A hammer drill or a rotary hammer. They both do essentially the same thing but are vastly different tools.

What’s the difference between a hammer drill and a regular drill?

A hammer drill is designed to drill holes into brick, concrete, other masonry, and even rock. Hammer drills don’t just bore holes into masonry, though. Most allow you to turn the hammer function off, so with standard drill bits you can use them for the same tasks as cordless drill/drivers.

What’s the best way to drill a hole in concrete?

Tap the masonry nail lightly with a hammer to break up the obstruction, but do not drive the nail in completely. Remove the nail and resume drilling. Once your hole is the correct depth, stop the drill and brush away the accumulated concrete dust outside the hole.

What kind of drill bit do I need to drill a hole for a concrete anchor?

When drilling a hole for a concrete fastener, the quality of the hole is critical. For this reason, it is imperative to use a proper drill bit. A proper bit for drilling a hole for a concrete anchor is an ANSI tolerance, carbide-tipped drill bit.

How big of a hole do you need for concrete screws?

Otherwise, get a 5/32-inch bit for concrete screws that are 3/16-inch in diameter and a 3/16-inch bit for ¼-inch screws. Be sure to keep spare bits in the correct size on hand as working in masonry can wear out a bit quicker and result in improperly drilled holes.

What should I wear when drilling into concrete?

Safety: When drilling into concrete, wear safety goggles, work gloves, ear protection and a mask. When you purchase concrete screws, the correct size drill bit is often included in the pack. Otherwise, get a 5/32-inch bit for concrete screws that are 3/16-inch in diameter and a 3/16-inch bit for ¼-inch screws.