Often asked: How To Cut Concrete Slab With Circular Saw?

What is the best blade for cutting concrete?

Diamond saw blades are typically the best choice when it comes to making clean, professional cuts in concrete.

How do you cut a round hole in a concrete slab?

Re: How to cut round hole in concrete floor? carbide core bit and rotary hammer drill. rent it, be careful not to damage the carbide by hitting rebar or they will charge you to repair it. if the concrete is thicker than the core bit is deep, remove the bit & chisel out the slug so you can go deeper with the core.

How do you cut concrete blocks with a circular saw?

How To Cut Concrete Blocks With Circular Saw [Easy Steps]

  1. Procedure on How to Cut Concrete Blocks with Circular Saw.
  2. Step 1: Wear in the protective gear.
  3. Step 2: Mark the exact place to be cut using the chalk line.
  4. Step 3: Make adjustments on the circular saw.
  5. Step 4: Commence the cutting process.
  6. Step 5: Seek for a helping hand to increase the amount of water.
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How deep will a 12 inch concrete saw cut?

Cured Concrete/Asphalt Blades
Diameter Cutting Depth*
12 (305mm) 4″
14″ (356mm) 5″
18″ (457mm) 7″

Can I use an angle grinder to cut concrete?

Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work. A concretecutting blade for an angle grinder has a diamond-studded rim with ventilation grooves — a tile-cutting blade uses diamond studs but does not have the grooves.

How do you cut a 4 inch concrete slab?

Use a standard circular saw, equipped with a corundum or diamond blade, for small tasks. For slabs, it’s best to cut through the top inch, then use a sledgehammer to break off the rest. The jagged edge left below the cutting line provides a good rough edge for the new concrete to bond to.

How do you cut a trench in a concrete slab?

For smaller projects where concrete slabs less than 6” are to be cut, a circular saw with a diamond blade will do the trick. While abrasive blades can also work, it is likely that you will require many blade replacements as they wear out quickly. A Diamond blade, on the other hand, is much more reliable.

Can I cut concrete with a Sawzall?

Milwaukee designs and manufactures Sawzall blades for the toughest professional applications. Diamond Grit blades are optimized for cutting abrasives, brick, block, concrete and stone. TORCH geometry allows for reduced blade twisting, resulting in more accurate cuts.

How long will a diamond blade last cutting concrete?

According to experts, a low-quality diamond blade can only last around 12 hours of non-stop cutting, while high-quality blades can cut materials up to 120 hours.

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How do you cut a stone with a circular saw?

Cutting Pavers With a Circular Saw or Angle Grinder

  1. Mark the Cut. Mark the cutting line across the top face of the paver, using a pencil and a square or straightedge.
  2. Set the Saw Blade. Place the paver onto a non-slip mat atop your work surface.
  3. Cut on the Top Side.
  4. Cut on the Bottom Side.
  5. Break Along the Cuts.

How deep will a 14 concrete blade cut?

A 7” circular saw, for instance, can only cut to 2-¼ inches deep, meaning you’ll need to sledgehammer the rest of the concrete away; a 14” wet-cutting blade attached to a concretecutting saw, on the other hand, gets you to 4-5/8 inches of clean cut.

How deep can you cut concrete?

Depth of Cut



As far as the depth of the cut is concerned, professionals recommend cuts ranging from one quarter to one third of the thickness of the slab. Simply put, this means that the cutting depth should be restricted to around 2.5 inches for an 8 inch thick concrete slab.

What tool do you use to cut concrete?

Cut-off machines — the industry standard. The go-to choice for most concrete cutting jobs, cut-off machines are hand-held saws used to cut concrete, asphalt and metal. They use either a composite resin abrasive wheel or diamond blade to cut in various construction applications.

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