Can a Concrete Chainsaw Cut Through Rebar? Detailed Answer

Knowledge Based

Have you ever found yourself struggling to cut through rebar on a construction or DIY project?

Steel reinforcement bars are notoriously tough to work with, and using the wrong tool can result in frustration, delays in project completion, and even safety hazards.

But fear not! As someone who has worked with chainsaws for years, In this article, I’ll be delving into the topic of whether or not a concrete chainsaw is effective for cutting through rebar, as well as providing guidance on best practices for using a chainsaw to cut the rebar.

cutting rebar with a concrete chainsaw explained
Man cutting rebar-filled concrete through Chainsaw

Can we use a Concrete Chainsaw to Cut Through Rebar?

Yes, a concrete chainsaw can cut through rebar effectively if equipped with the appropriate blade and operated using proper techniques. To cut through rebar using a concrete chainsaw, it is crucial to use the appropriate diamond blade designed for cutting through both concrete and steel. Using a general-purpose blade or a blade designed for cutting only concrete can result in blade damage, reduced efficiency, and a slower cutting process.

Rebars are tough and resistant to cutting and drilling, which makes them challenging to work with. The number one reason is the presence of a concrete layer around the rebar which makes it difficult to access the steel with conventional cutting tools. Moreover, the steel used to manufacture rebars is not only hard but generally thicker and stronger than other types of steel used in construction because they are specifically designed to provide support and strength to concrete structures.

As a result, a specialized concrete chainsaw with a specific blade type is often required to cut through rebar efficiently and safely.

Best Concrete Chainsaw to Cut Through Rebar

The best chainsaw tool for cutting through rebar is a concrete chainsaw with a diamond blade. This type of chainsaw is designed to work in harsh environments and can handle standard rebar thicknesses easily.

Diamond blades are made with synthetic diamonds embedded in the blade’s segments, allowing it to easily cut through concrete and rebar. They are designed to handle the high friction generated when cutting through hard materials, ensuring a smooth and efficient cut. Diamond blades are also durable, with a longer lifespan than other types of blades, making them a more cost-effective option in the long run.

However, there’s a premium type of diamond blade. It’s called a Laser-welded diamond blade. Unlike conventional diamond blades, which are typically made using a sintering process, laser-welded diamond blades are created by bonding diamond segments to the blade’s steel core using a laser.

This process allows for a stronger and more precise bond between the diamond segments and the steel core, resulting in a blade that is more durable and has a longer lifespan.

When selecting a chainsaw for cutting through rebar, it’s important to choose a model with a powerful motor and a sturdy build. Look for a chainsaw with at least a 60cc engine and a high-quality chain that can withstand the high forces generated when cutting through hard materials.

In summary, laser-welded diamond blades offer several advantages over conventional diamond blades when it comes to cutting through tough metals like rebar. Their stronger bond, smoother design, and tailored features make them a more efficient and effective tool for the job. However, you can use a regular diamond blade concrete saw as well.

Learn More: Why Were Chainsaws Invented?

Factors to Consider when Cutting through Rebar with a Concrete Chainsaw

When cutting through rebar using a concrete chainsaw, it is essential to consider several factors to ensure the job is done efficiently and safely. Here are some of the key factors to keep in mind:

Blade Type

As mentioned earlier, the type of blade you use can significantly impact the effectiveness and efficiency of cutting through rebar. A diamond blade is generally the best option for cutting through rebar because it is designed to withstand the hardness of the steel, resulting in less wear and tear on the blade.

Blade Size

The size of the blade you use is also crucial. A larger blade can make the job quicker, but it can also be heavier and more challenging to control. A smaller blade, on the other hand, may take longer but is easier to handle.

Depth of Cut

The depth of cut is also a critical factor to consider when cutting through rebar. It is essential to choose a blade that is appropriate for the thickness of the rebar you’re dealing with, and also adjust the cutting depth to avoid damaging the saw or blade.

Power of the Chainsaw

The power of the chainsaw is another important factor to consider when cutting through rebar. A more powerful chainsaw can handle thicker and denser rebar with greater ease and efficiency. Generally, chainsaws with a higher engine capacity are capable of delivering more power to the chain and blade, allowing them to cut through tougher materials with greater speed and precision.

However, it’s important to note that with increased power comes increased risk. A more powerful chainsaw can be more difficult to control, especially for inexperienced users.

Water Supply

Using water to cool the blade is essential when cutting through the rebar. It helps to reduce the wear and tear on the blade, as well as minimize the amount of dust generated during the cutting process.

Using the Right Technique to Cut Through Rebar

Using the right technique when cutting through rebar is crucial for achieving accurate and efficient cuts while also ensuring safety. Proper technique can also prolong the life of the chainsaw and blade, reducing the need for costly repairs and replacements.

The following are some tips for using the right technique when cutting through rebar:

Secure the rebar

Before cutting, make sure the rebar is properly secured to prevent movement or slipping during the cutting process. This can be achieved by clamping or fastening the rebar to a stable surface.

Use the right blade

Choose a blade with larger teeth and a deeper gauge for thicker and denser rebar.

Cut slowly

Cutting through rebar too quickly can cause the blade to overheat and wear out prematurely. To avoid this, cut through the rebar slowly and steadily, allowing the blade to cool between cuts.

Use a lubricant

Applying a lubricant such as oil or water to the blade can reduce friction and heat, prolonging the life of the blade and making the cutting process smoother.

Avoid cutting at an angle

Cutting at an angle can cause the blade to become pinched or stuck in the rebar, leading to safety hazards such as kickback. To avoid this, cut straight through the rebar using a steady and controlled motion.

Safety Precautions

When using a concrete chainsaw to cut through rebar, safety should always be the top priority. Here are some safety precautions that should be considered:

Personal Protective Equipment (PPE): Always wear appropriate PPE, such as safety goggles, earplugs, hard hats, gloves, and steel-toed boots.

Secure the workpiece: The rebar should be securely fastened in place to avoid any unexpected movement during the cutting process.

Avoid metal-to-metal contact: The diamond blade should not come into contact with any metal surface other than the rebar. This is because the blade can become damaged or shatter, which can lead to injury.

Do not force the chainsaw: Let the chainsaw do the work, do not force it through the rebar. This can cause the blade to become damaged or the chainsaw to become unstable, leading to injury.


Can you cut through the rebar with a concrete chainsaw?

Yes, a concrete chainsaw can cut through rebar effectively and efficiently when used with the right type of blade, technique, and safety precautions.

What are the safety measures to follow while cutting rebar with a chainsaw?

Some essential safety precautions include wearing proper personal protective equipment, keeping the chainsaw blade guard on when not in use, keeping the work area clean and free of debris, ensuring a stable work surface, and avoiding cutting near electrical sources.

How can I cut rebar with a concrete chainsaw?

To cut rebar with a concrete chainsaw, use the right type of diamond blade, such as a laser-welded diamond blade, and ensure that the blade is properly installed and tensioned. Follow the proper cutting technique, and take necessary safety precautions.

Are concrete chainsaws available for rent?

Yes, concrete chainsaws are often available for rent at equipment rental stores or hardware stores.

What type of chainsaw is best to cut rebar?

The best type of chainsaw to cut through rebar is a concrete chainsaw equipped with a diamond blade. It’s important to choose a chainsaw with adequate power and a blade size that matches the thickness of the rebar being cut.

Final Verdict: Can a Concrete Chainsaw Cut Through Rebar?

In conclusion, a concrete chainsaw can cut through rebar effectively and safely if followed by the right type of blade, technique, and safety precautions. By taking the time to research and understand the proper techniques and safety measures, construction professionals and DIY enthusiasts can easily use a concrete chainsaw to cut through rebar and other tough materials in construction projects. Tho, always prioritize safety while using any rebar-cutting tool.

Patrick McMann