
Circular saws can cut nails, but it is not recommended as it can be dangerous and may damage the blade. It is important to use the correct type of blade and set the blade depth correctly to avoid lifting the nails. Some blades that can cut through nails include the Diablo Demo Demon, the Freud Demo Demon, and the DEWALT DW3191.
| Characteristics | Values |
|---|---|
| Ability to cut nails | Yes, but a proper blade must be used |
| Blade type | Carbide-tipped, metal-cutting, fine-tooth |
| Blade brand | DEWALT, Diablo, Freud, Makita |
| Blade size | 7 1/4 inch |
| Number of teeth | 18, 24 |
| Ease of cutting nails | Cuts through nails smoothly, like a "hot knife through water" |
| Comparison with other blades | More durable, less chipping and splitting, better value for money |
| Safety | Can be dangerous, proper eye protection is a must |
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What You'll Learn

Blade depth is critical to cutting nails with a circular saw
Blade depth is critical when cutting nails with a circular saw. Setting the blade depth to just cut through the material will enable you to cut through the nails. However, setting the blade depth too deep will cause the nails to be "lifted" as the blade cuts through them. This can be dangerous and may ruin your saw.
It is important to use the correct blade for the job. A carbide-tipped blade will cut through nails easily, but carbide is hard and brittle, so there is a risk of chipping the teeth. A metal-cutting blade with larger teeth will also cut through nails, but it will have a tougher time cutting through wood. Diablo blades are also recommended for cutting through nails.
When cutting nails with a circular saw, it is important to take proper safety precautions. Wear eye protection and thin gloves, as the nails and wood chips that fly off can be dangerous. Use a steady hand and avoid overreaching with the saw. Cut what you can reach without stretching, then move up and start again.
If you are unsure about the location of the nails, it may be worth using a stud finder to locate them before cutting. This will help you to avoid accidentally cutting into a nail and causing damage to your saw or injury to yourself.
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The best circular saw blades for cutting nails
While it is possible to cut nails with a circular saw, it is not recommended as even a moderate nail can ruin a blade. However, if you need to cut nails with a circular saw, it is important to use the right blade.
The best type of blade to cut nails with a circular saw is a carbide-tipped blade. Carbide-tipped blades are designed to cut through nails easily and come in various sizes, including 6-1/2 inches and 7-1/4 inches. When using a carbide-tipped blade to cut nails, it is important to wear safety glasses to protect your eyes from any flying debris.
Some specific examples of carbide-tipped blades that can be used to cut nails include the Diablo blade, the Freud DemoDemon, and the Makita Knot & Nail blade. These blades are known for their durability and ability to cut through nails without chipping or breaking.
In addition to using the correct blade, it is important to set the proper blade depth when cutting nails with a circular saw. Setting the blade depth too shallow will result in the nails being lifted as they are cut, while setting the blade depth to just cut through the material will help to cut through the nails.
Overall, while it is possible to cut nails with a circular saw using a carbide-tipped blade, it is important to take the necessary safety precautions and set the blade depth correctly to ensure a successful and safe cut.
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Nail size and type
Nail size is standardised according to several factors, including diameter, gauge, and shank length. The penny size, or "d," is a standard unit of measurement for nails. Nails with larger diameters and longer shanks will have larger penny sizes.
The three most commonly used nail types are common nails, box nails, and annular/threaded nails. Common nails have smooth shanks, making them ideal for structural work, repairs, and applications where pullout resistance is not a primary concern. Box nails are similar to common nails but have thinner shanks, making them ideal for projects where holding strength is less of a concern, such as working with thinner wood or crates. Annular or threaded nails have threaded shanks that provide superior pullout resistance and structural support, making them suitable for applications where grip and strength are required.
Other types of nails include finishing nails, which are very thin and made to disappear when hammered into wood; brad nails, which are made of 18-gauge wire and are ideal for decorative wood surfaces; cut nails, which are considered ideal for hardwood flooring due to their blunt point and tapered shank; and duplex nails, which have a second head along the shaft, making them easy to remove and ideal for temporary construction.
The choice between these nail types depends on the specific requirements of the project. For example, roofing nails must lie discreetly under shingles while providing tear resistance, so flat, wide nail heads are often used. In high-humidity environments, copper nails are preferred due to their structural support and longevity, while stainless steel nails are more suitable for soft materials and provide corrosion resistance.
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Safety considerations when cutting nails with a circular saw
While it is possible to cut nails with a circular saw, it is not recommended due to safety concerns and the risk of damaging the blade. If you choose to cut nails with a circular saw, there are several safety considerations to keep in mind:
Choose the Right Blade
Select a blade specifically designed for cutting nails, often called "demolition blades" or "nail-cutting blades." These blades feature reinforced teeth and carbide tips that can withstand the hardness of nails while maintaining sharpness. Using a dedicated nail-cutting blade significantly reduces the risks associated with cutting nails with a circular saw.
Blade Depth and Speed
Setting the blade depth correctly is critical. Set the blade depth just enough to cut through the material. Avoid setting the blade depth too deep, as it may cause the nails to lift as they are cut, leading to potential kickback. Cut at a steady speed, not too fast, to maintain control and precision.
Personal Protective Equipment (PPE)
Always wear appropriate PPE when using power tools. This includes safety goggles to protect your eyes from flying debris, ear protection to safeguard your hearing, and gloves to protect your hands from sharp edges and debris.
Work Area and Saw Stability
Ensure your work area is clean and free of debris that may interfere with the saw's movement. Always place the saw on a stable surface before starting the cut. Avoid overreaching with the saw. Cut what you can comfortably reach without stretching, then reposition yourself if needed.
Nail Removal
If possible, consider removing the nails before using the circular saw. This eliminates the risk of damaging the blade and ensures a clean and precise cut. Use pliers or nail pullers for smaller-scale projects or when dealing with a limited number of nails.
Remember, safety should always be your top priority when working with power tools. By following these safety considerations, you can minimize the risks associated with cutting nails using a circular saw.
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Alternatives to using a circular saw to cut nails
While a circular saw can be used for a variety of cutting tasks, it is not recommended for cutting nails. Using a standard circular saw blade can result in blade damage, safety hazards, and poor cutting performance. Here are some alternative methods to consider:
Using a Reciprocating Saw
A reciprocating saw, also known as a Sawzall, is specifically designed to cut through a wide range of materials, including nails. This saw moves in a back-and-forth motion, making it easier to cut through nails without damaging the blade. Reciprocating saw blades are also more affordable, with bi-metal reciprocating saw blades costing around $5.
Removing Nails Before Cutting
Before using a circular saw, consider removing the nails from the material if possible. This approach can help prevent blade damage and unexpected kickbacks caused by hidden nails. It is important to thoroughly inspect the material for any hidden nails to ensure a safer cutting experience.
Carbide-Tipped Blades
If you choose to use a circular saw, it is recommended to use carbide-tipped blades. These blades are designed to cut through nails easily and can help prolong the life of your saw. Brands such as DeWalt and Makita offer carbide-tipped blades that are made for cutting through nails.
Other Considerations
When cutting nails, it is crucial to prioritize safety. Always wear appropriate personal protective equipment (PPE), including safety glasses, hearing protection, gloves, and a dust mask. Familiarize yourself with the power tools you are using, and follow the manufacturer's recommendations and safety guidelines. Additionally, ensure that your workpiece is securely clamped or held in place before making any cuts.
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Frequently asked questions
Yes, a circular saw can cut nails, but it is not advisable as it may ruin the blade.
Carbide-tipped blades can cut through nails easily. The Diablo Demo Demon, for example, is a carbide-tipped blade that can be used for this purpose.
Metal-cutting blades with large teeth can also be used to cut nails.
Setting the blade depth to just cut through the material will help cut through the nails. Setting the blade depth too deep will lift the nails as it cuts them.
It is important to have proper eye protection and gloves when using a circular saw to cut nails. The user should also be cautious of kickback, which can occur if the blade gets caught on a nail.











































