Choosing the Best Circular Saw Blade for Cutting Metal Complete Guide

Struggling to find the ideal blade for your circular saw? You’re not alone. In this comprehensive guide, you’ll learn what characteristics to look for in a quality metal-cutting circular saw blade and how to choose the best one for your needs.

Get ready to power through the toughest of metals!


Choosing the right circular saw blade for metal cutting applications can make all the difference in any job. Metalwork can present unique challenges and different types of blades are available to complete the job successfully and efficiently, ensuring a good finish and smooth cutting.

This guide will provide an overview of different types of blades, so you can choose which is best for your needs. It will provide tips and advice on which type of blade to use for cutting various metals, such as steel, aluminium and copper, as well as other materials like PVC and particleboard. Additionally, we’ll go over key features to look out for when choosing a blade to maximize performance in each application.

Importance of choosing the right circular saw blade for cutting metal

Choosing the right circular saw blade for cutting metal is an important part of any metalworking project. The choice of blade will determine the speed and quality of the cut as well as the safety and ease of use. It is essential to select a blade that is compatible with the saw, material being cut, and application.

The diameter and kerf width of a saw blade must be taken into consideration in order to ensure proper fit and compatibility with both the saw motor and material being cut. Larger blades require more power from the motor, while smaller blades require less power but may cause excessive vibration if used improperly.

The type, number, size, shape, material and coatings used when manufacturing a circular saw blade should also be chosen carefully to maximize performance for specific cutting applications. In addition to choosing a properly sized blade, other important considerations are carbide grade – which determines the hardness of tips or blades; tooth configuration – which affects cutting cleanliness, heat build-up and distinctness; tooth count – which affects cutting speed; blade arbor or bore size – which ensures proper fit; coating – which reduces friction for smoother cuts; alignment accuracy – which reduces vibration; and tip angle -which controls depth of cut.

When selecting a circular saw blade for metalcutting applications it’s important to consider all these factors in order to make an informed decision that will produce efficient results while preventing costly damage to equipment or material due to poor performance.

Understanding Circular Saw Blades

Before selecting the perfect circular saw blade for your specific needs, it is important to understand the different aspects and types of circular saw blades. Blades come in various sizes, with varying numbers of teeth, and materials. Different types of blades are available for particular applications such as metal cutting or wood cutting, each providing different specifications that are tailored to their intended use.

Blade size is an important factor when selecting a circular saw blade and can range from 4 inches to 12 inches in diameter. The size is based on the arbor size that your power tool requires which determines how wide of a blade you can use – typically ranging from 5/8 inch to 1 inch in width.

The number of teeth on the blade plays an integral role in defining the type of cut you will end up with. A larger number of teeth will result in a smoother and more accurate cut but it will also require more power from the motor since there is more material being removed due to the increased number of teeth. On the other hand, smaller teeth will provide faster speed while sacrificing accuracy as they require less power but often leave behind rougher cuts.

Finally, blades are composed of either carbon steel or high-speed steel (HSS). Carbon steel blades are less expensive than HSS ones but do not last as long due to their softer materials making them ideal for cutting wood and softer metals such as aluminum or copper alloys where a longer wear life isn’t essential. High-speed steel blades have better heat resistance than carbon steel and are preferred when cutting harder metals such as stainless steel or titanium alloys; this increased durability makes them much more costly compared to their counterpart though still affordable for general purpose use when compared to specialty PCD tipped blades which can cost several times more than standard HSS offerings.

Types of circular saw blades

There are a few different types of circular saw blades available for cutting through metal, including high-speed steel blades, carbide tipped blades, and diamond blades.

High-speed steel (HSS) blades offer a longer life than carbide tipped blades and can be used on ferrous and non-ferrous metals. Carbide tipped blades provide the fastest cutting speeds but are limited to non-ferrous metals. Diamond saw blades provide the longest life and the fastest cutting speed of any metal saw blade type. They typically require special arbors or adapters in order to fit onto your saw.

Keep in mind that as the diameter of your circular saw blade increases, so does its maximum safe speed rating. Always check the manufacturer’s instructions before using any new blade, as exceeding maximum RPM can cause serious injury or damage to equipment.

Parts of a circular saw blade

Before we get into the details of what type of saw blade is best for cutting metal, it’s important to understand which parts make up a circular saw blade. Circular saw blades consist of a few basic components: the teeth, gullets, body and arbor.

The teeth are the part that does the actual cutting and are typically made of carbide or steel. The number and angle of the teeth, as well as their size and shape, can vary greatly depending on what material is being cut with them. Gullets are spaces between each set of two teeth that allow chips created by cutting to fall away from the blade during use; they also provide strength and stability to the blade.

The body is similar in size and shape to an aluminum disk that serves as a base for attaching the teeth; it provides extra structural stability so that they don’t break off while being used. The arborhole in its center allows it to be attached securely to may circular saws models with specific measurements such as 5/8-inch or 1-inch diameters.

Materials used for circular saw blades

Circular saw blades used for cutting metal are typically made from hardened high-speed steel, or HSS. These blades are designed to be tough and durable and they can stand up to the most rigorous cutting applications. They are available in various sizes, tooth configurations and other dimensions, making them suitable for a variety of metal substrates. The number of teeth, or amount of set (the angle between the blade’s sides), can affect the performance of each cut:

  • Tungsten Carbide-tipped (TCT) blades are designed with tough tungsten carbide tips that extend up to 20 mm from the edges. These blades last longer and produce clean, precise cuts in mild steel, aluminum, stainless steel and other metals—even those with a high carbon content.
  • Cermet-tipped saws have an extremely hard ceramic-like material on the tip of their teeth which helps them last longer than standard HSS blades when dealing with very hard materials such as cast iron. This improved durability comes at a price though because cermet tips are less wear-resistant compared to carbide-tipped saws and require more frequent resharpening or replacement due to their brittleness
  • Diamond tipped circular saw blades use diamond particles bonded to standard HSS saw bodies producing extremely long lasting results when cutting harder materials such as granite or marble. This makes diamond edged blades ideal for masonry work where long lasting sharp edges are necessary.


Choosing the Right Blade for Cutting Metal

Choosing the right circular saw blade for cutting metal can be a confusing undertaking. The variety of blades and electric saws available on the market can result in different teeth designs and blade materials, making it difficult to know what will work best for metal cutting. To make the selection process easier, it’s important to understand the differences between each style of saw and specific blade materials in order to choose a quality product that meets your needs.

To choose the best circular saw blade for metal cutting, consider factors such as the type of saw being used, compatibility with other components, and the type of metal being cut. Using a standard corded circular saw may require larger teeth and a more robust material compared to specialized cutting blades made specifically for certain metals like copper or aluminum. It is also helpful to understand which saw tooth designs are best suited for a wide range of materials like steel or stainless steel.

When selecting a blade for metal cutting, there are some key points to keep in mind:

  • Choose blades designed specifically for metals over those designed for wood or plastic as they are better able to withstand extreme heat from friction caused by high speed cutting.
  • Check with your manufacturer on whether their suggested blades are compatible with your particular model circular saw before making any purchases.
  • Opt for higher tooth counts when using thin materials because they reduce friction while maintaining accuracy.
  • Look at the individual teeth rather than just focus on overall construction; this lets you note any design features that might interact poorly with more delicate metals like aluminum.

Best Circular Saw Blades for Your Project - The Home Depot

Blade size and teeth count

Choosing the right saw blade for cutting metal depends on several factors, including the size of the saw body and teeth count. Blade size is typically indicated by its diameter – usually between four to twelve inches. The larger the blade, the more cuts it can make without replacing it, so knowing your saw’s body size will ensure you choose a blade that fits your tool perfectly.

When considering teeth count, look for blades with ATB (alternate top bevel) or TCG (triple chip grind) configurations. These designs increase cutting precision while reducing dust creation and overall noise level. If you are unsure which design will best suit your needs, reference the manual for your circular saw; many manufacturers list recommended blade types that are ideal for specific applications.

Blade type: abrasive vs. carbide-tipped

When shopping for a saw blade to use on metal, you will most likely come across two types: abrasive blades and carbide-tipped blades. Abrasive blades are generally used for heavier-duty cutting jobs, such as masonry or concrete. On the other hand, carbide-tipped blades are specifically designed to cut hard materials such as steel, aluminum, and other metals. Each type of blade has its own set of advantages and disadvantages.

Abrasive Blades:
Abrasive blades have a continuous rim that is made of an abrasive material such as aluminum oxide or silicon carbide grit. This material is very hard and provides a cutting action similar to that of sandpaper–by grinding away at the surface being cut. The main advantage with these types of blades is their ability to cut through extremely tough materials at high speeds. However, they tend to produce undesirable dust particles and generate a lot of heat in the process. Additionally, abrasive blades are limited in terms of cutting depth and accuracy, making them unsuitable for precision jobs such as trimming edges or working with delicate components.

Carbide-Tipped Blades:
Carbide-tipped saw blades are made from high quality steel with a cutting edge covered in tough tungsten carbide composite material. This makes them very durable and enables them to efficiently cut through difficult materials like stainless steel or aluminum at higher speeds than standard steel or abrasive blades can achieve–resulting in smoother cuts with less time involved in changing out the blade between projects. Carbide-tipped saws also offer increased safety due their robust construction; they have fewer chances of shattering due to impact damage compared to standard saws which could potentially cause injuries if they were to break while in use.

Blade thickness

When cutting metal, it’s important to select the correct blade thickness for your saw. While standard sizes such as 0.045” or 0.062” might suffice for lighter gauge metals, you will require a thicker blade when cutting heavier gauge materials. Blades that are too thin can easily break when they make contact with the metal, while thicker blades offer more stability and faster cutting speeds.

While the most common saw blade thicknesses range from 0.045” to 0.097”, smaller or larger sizes can also be specialized ordered to fit unique saw base sizes and applications. When shopping for blades, be sure to check the package labeling to ensure you’re buying a blade that is appropriate for your intended application and saw base size.

Maintaining the Circular Saw Blade

In order to get the most out of your circular saw blade and make sure it is always in optimal condition, it is important to maintain it properly. Here are some tips for keeping your blade in good shape:

  1. Clean the blade: Regularly clean the saw blade, especially after use. Abrasive materials like steel chips can build up on the saw teeth over time and damage them if not cleaned off regularly. Use a soft brush or cloth and gentle detergent to remove any debris from the blade after use.
  2. Sharpen/re-sharpen: Regularly sharpen or re-sharpen blades using files or abrasive stones to ensure optimal performance when cutting metal.
  3. Check regularly: Inspect blades at least once a month, paying close attention to the teeth of each saw tooth for signs of wear and tear or damage. Discard any damaged blades and replace with new ones as soon as possible in order to maintain safe working conditions when using circular saws.
  4. Store correctly: Always store circular saw blades flat so they won’t warp over time, and make sure they are kept dry and away from moisture so they won’t rust prematurely. Also try to keep your blades away from direct sunlight as even moderate heat can cause them to expand and warp, resulting in poor cutting performance when used again later on down the road.

Proper blade storage

When it comes to proper blade storage and maintenance, it is absolutely essential to ensure that the blade is kept in a dry, clean, and protected environment. This includes proper disposal of any sawdust created from use of the blade and regular cleaning of its cutting surfaces. This not only helps prolong the life of the blade but will also give you a better cut each time – limiting wear and tear on your equipment.

Ideally, blades should be stored in their original packaging until needed for use. If storing them in a box or bag, be sure to include protective material such as cardboard or plastic liners between multiple blades to prevent chipping and nicks. Keeping blades out of direct sunlight when not in use is recommended as well as climate control for high-grade steel and carbide tools. Oil residue wipe down with warm soap water will help reduce corrosion as well.

Cleaning and maintaining the blade

Cleaning and maintaining your saw blade is essential if you want it to stay in good condition and remain sharp. Be sure to brush off any debris or metal chips that have accumulated on the blade after each use. You can also use a damp cloth to clean away any dust or dirt. Additionally, you should regularly inspect the blade for signs of wear such as cracks, dents, rust, or uneven edges. You may also wish to check the weld spots of your saw blades for weak points or signs of overuse.

If any damages are found, it is important that you replace the blade immediately as using a damaged saw blade can be extremely dangerous and can cause further damage while cutting. To extend the life of your saw blades, store them in an area with low humidity levels and make sure they are unplugged from power when not in use. Finally, before storing your blades for longer periods of time such as between projects, clean them well and lightly oil them so that they will not corrode or rust during storage.

Circular Saw Blades | DEWALT


Choosing the right circular saw blade is essential for any metal cutting job. The right saw blade should be tall enough to prevent kickback and produce clean, precise cuts with minimum burring. The teeth should have a high hook angle and include ground tips to cut through metal with ease, while the blade should have thick gauge construction to help prevent wobbling. Using the right circular saw blade can make the difference between a successful job and a failed one.

It is important for safety reasons to use the correct type of saw blade for each specific cutting job. Before you begin shopping for additional blades or replacing ones that are worn down, be sure to refer to the user’s manual of your circular saw for more information on what type of blades it requires. A quality circular saw with correctly-sized blades will ensure that your projects are precise, precise, and safe.


What saw blade is best for cutting metal?

A metal cutting saw blade is the best choice for cutting metal.

What kind of circular saw blade to cut steel?

A circular saw blade with a high tooth count and carbide tipped teeth is recommended for cutting steel.

Can I put a metal cutting blade on a circular saw?

Yes, you can put a metal cutting blade on a circular saw as long as the blade is compatible with the saw and rated for the material you are cutting.

How many teeth per inch to cut metal?

A saw blade with 18 to 24 teeth per inch is suitable for cutting metal.

Is more teeth on a saw blade better for metal?

No, more teeth on a saw blade doesn’t necessarily mean it’s better for cutting metal. The tooth count should be matched to the thickness and type of metal being cut.

Can any circular saw be used to cut metal?

No, not all circular saws are designed for cutting metal. You need a saw with a metal cutting blade and enough power to handle the material.

How do I know which circular saw blade to use?

The best way to know which circular saw blade to use is to read the manufacturer’s recommendations for the saw and the blade, and to consider the material you’ll be cutting.

What is the difference between metal and wood circular saw blade?

Metal cutting saw blades have a higher tooth count and harder teeth made of materials like carbide, while wood cutting saw blades have fewer teeth and teeth made of softer materials like carbon steel.

Will a carbide saw blade cut metal?

Yes, a carbide saw blade is a good choice for cutting metal because it is durable and can maintain sharpness when cutting through tough materials.

What tool is best for cutting metal?

Tools like a metal cutting saw, angle grinder, or plasma cutter are best for cutting metal, depending on the thickness and type of material you’re cutting.

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