Best Metal-Cutting Circular Saw Blades

Metal Cutting Blade For Circular Saw

The best metal cutting blade for circular saw is made from stainless steel. It is very strong and durable. There are many advantages of using a stainless steel blade with a circular saw. You will get better performance, less wear and tear on your equipment, and it will last longer than other types of blades.

There are two types of blades for circular saw: flat and angled. Flat blades have straight sides and angles at their ends. They are easier to cut through wood than angled blades because they do not curve around corners or up and down when cutting across them. However, they require more skill to use properly since you need to keep the angle between the blade’s edge and the workpiece constant throughout its length.

An angled blade cuts easily along the edges of curved surfaces like walls and ceilings. These blades are easy to use but require more skill to control.

Best Metal-Cutting Circular Saw Blades For Woodworking

Flat blades are used for most types of woodwork, including furniture making, cabinetmaking, and trim work. They are usually made from high quality stainless steel with a smooth finish. Flat blades have been available for decades; however, they were expensive compared to angled blades. They are still more expensive than angled blades.

Flat and angled blades are available in several sizes. The most common length is 7-1/4 inches, which can be used to cut small parts and trim. Blades from 8 to 10-1/2 inches long are useful for cutting thicker materials and large parts. You can also use a 10- or 12-inch blade to save time when cutting plywood sheets or other materials into smaller pieces.

When cutting thick or hard materials, you should use a carbide-tipped blade.

Angled blades have only recently become popular due to their lower cost. They are only recommended for experienced users because of the skill required to use them correctly. If used improperly, they can cause accidents due to their tendency to follow the natural curves of a piece of wood. An angled blade cuts on the push and draw strokes, so it will move across the grain rather than with it.

This can cause the blade to snag and kick back if you apply too much pressure.

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When determining the size of a blade to purchase, you should consider the maximum depth of the cut, the type and size of the material to be cut, and how much blade is visible above the table. The most common sizes are 10-1/2 inches long for general purpose cutting and 12 inches long for cutting thicker materials and large parts. Blades longer than 12 inches are available, but they are not necessary for most woodworking and carpentry.

There two types of teeth on a circular saw blade: large and small. Large teeth, also known as raker teeth, are used for general purpose cutting. They can cut smoothly and are easier to control on the back stroke because they clear out most of the waste. However, they do not produce as clean of a finish on the front stroke and they require more effort to use.

Small teeth, also known as finishing teeth, are used for a cleaner finish on the front stroke. They are harder to control since they do not clear out as much of the wood on the back stroke. However, they slice through the wood more easily on the front stroke and require less effort.

Some blades are available with variable tooth sizes that allow you to choose between raker and finishing teeth. The number on the blade refers to the number of teeth per inch. Blades with more than one set of teeth have a number and a letter, such as 8T. The T after the number indicates that the blade has two sets of teeth and can be used for fine cuts or fast cutting.

You can save money by purchasing a blade with fewer teeth, but they will require more frequent sharpening and are not as durable. High quality blades are more durable and will stay sharper longer, but they cost significantly more money.

The arbour hole in the saw is sized to match the diameter of the blade arbour. Manufacturers typically offer arbours for common sizes of blades. If you purchase an uncommon size of blade, you can have the arbour custom made by a local machinist or drill and tap the arbour that comes with your saw to fit your blade.

Most blades are reversible to double their working life. You can tell it is reversible because one half of the teeth is wider than the other. To switch from one side to the other, you remove the blade and flip it over.

When installing a blade, you should start by setting the depth gauge to cut through the material by at least 1/8 inch. The depth gauge is marked in 1/8-inch increments and is calibrated from the surface of the table for zero. A rule on the side of the arbour allows you to measure from the table surface to the rule to set the depth.

Hold the blade with your thumbs in the center and grip the flange of the arbour with your remaining three fingers. Slide it into the arbour until it is seated firmly.

Chainsaw Mill

A chainsaw mill has a narrow, sharpened steel bar that moves up and down with the stroke of the chainsaw. The bar can be adjusted up and down to allow for different thicknesses of material.

The chainsaw mill uses the same type of blade as a regular chainsaw, but without all of the safety features. Make sure to use the proper type of fuel and oil mix for your saw.

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Miter Saw

A miter saw produces a very straight and accurate cut, but it is not well suited for rough work or crosscutting large pieces.

With the miter saw you can adjust the width of the cut by sliding the material left or right. This allows you to make custom sized frames and moulding. You can also tilt the blade to the left or right to create angled cuts. Each time you reposition the material, it changes the angle of the cut.

The miter saw includes a flip stop to ensure a straight and accurate cut. The flip stop locks in place on the side of the blade to prevent the material from creeping past the desired cut line.

The saw includes several cutting guides that you can adjust to different angles. You can make angled cuts up to 50° left or right with the standard equipment. Some models allow you to tilt the blade for cuts up to 64°, which allows you to make broad crown moulding and other angled cuts.

The materials are held in a fence and can be adjusted to different widths by releasing the locking levers and moving it outward. The maximum width of cut is about 20 inches.

When selecting your blade, you should get a fine-tooth saw for cutting softwoods and a medium or high-tooth blade for cutting hardwoods. The number of teeth per inch determines how smoothly the cut goes, with more teeth making a smoother cut.

Circular Saw

The circular saw is ideal for rough crosscuts and ripping short pieces. It also comes in handy for cutting plywood, drywall, and extra-wide boards because you can set the depth to cut through the entire thickness.

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The saw uses a thin, sharpened steel disc that is much smaller than the size of the cut. The disc spins at high speed and can throw wood chips or splinters if not used carefully. The depth of the cut is controlled by a wheel on the front of the saw.

You should make sure that the saw is set for a left or right cut depending on which way you turn the saw. If you don’t do this, it can cause the saw to throw the material in the opposite direction and either hurt your wrist or cause you to lose control.

It is especially important that you keep your thumbs away from the area inside and below the line of cut. If the disc hits your hand it can cause a serious injury.

If the blade starts to bind, the motor can break or the saw can jerk your arm and cause an injury.


A power sander is a great tool for sanding large flat surfaces, rounded surfaces, and high spots.

The most common types are the disk sander (right) and the belt sander (left). The disk sander uses a thin, circular disc that spins. These are available in different sizes and grits of sanding material. The higher the number, the finer the grit.

The belt sander’s sanding belt is made of thin leather and comes in different widths and grits. The disk sander is flexible and can follow the contours of curved surfaces better than a belt sander, but it does not work as well for flattening high spots or edges.

The power sander can remove material much faster than you could with hand sanding, but accidents still happen. Guard your hands and eyes.

Rotate the sanding disc to different parts of the material to avoid creating a flat spot in the middle of the disc. Also, if you are sanding a large, flat surface, you will need to move the sander and not the surface. This keeps a more uniform edge and helps prevent round edges from developing.

For rounded surfaces or for removing high spots or sanding “truer,” use smaller circles and slower speeds.

For best results, you should use a random-orbit sander. These sanders use a vibration and random motion to eliminate the lines or patterns that can occur when sanding.

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When using a power sander, remember that:

• Keep your body relaxed and move it with the tool.

• Keep your thumbs out of the way of the sanding disc.

• Hold the tool with a firm grip, but not tight enough to miss the vibration.

• Turn off the tool when changing the sandpaper or disc.

It is a good habit to turn off the tool when putting on or taking off sandpaper or a disc. This is a safety feature on most tools and will help prevent accidents.

When you are finished using the sander, unplug it before putting down or setting it down someplace safe.


If you have a lot of wood to sand, you might want to use a “Lap” sander. The belt sander works good but is hard on your arms. This tool uses an endless belt and you just push it back and forth. It is more like pushing a vacuum cleaner than anything else.

You can find an endless variety of hooks and gadgets to hold the wood for you while you sand it.

Don’t try to hold the wood in your hands while sanding it. It would be too easy to accidentally push your hand into the sanding belt.

Holding the wood on your lap also puts you in a better position to see the high and low spots while sanding.

Best Metal-Cutting Circular Saw Blades - Picture

Buy a “push block” (right) which is specially designed to keep you from pushing your hand into danger.

Always be aware of the direction of the belt and where your hands are going.


When sanding, always wear a dust mask to help filter out the sawdust. Also wearing safety goggles or glasses will help protect your eyes from flying particles.


Eating ice cream while sanding is NOT a good idea. It gets melted and sticky very quickly when exposed to the heat, especially in the summer months. This can make a big mess on your work surface and your clothes. Clean up the mess immediately or you could have a sticky lap to go with your sticky fingers!

Never eat or drink anything that will get your fingers sticky or greasy. Wood, glue and paint are not good combinations with food.

It is especially important to keep the work area clean because sawdust and dirt can scratch the surface of a piece when it is finished. If the piece has an uneven or rough surface, it cannot be painted to look good. It must be sanded again or stained to cover up the flaws.

Always use a damp cloth or sponge to remove all traces of dust and wood particles after sanding. A particle of sawdust held against the wood by finish can show up as a dark spot on the finished piece.


If you are making a picture frame, sand all the pieces before assembling them. It is much easier to sand across the grain than with the grain. This is especially important when you are routing out an edge with a piece of wood against the piece being routed. It is hard to keep the router from chewing into the piece you are trying to save.


Best Metal-Cutting Circular Saw Blades - PURCH MARKETPLACE

If you are using your hands or fingers to hold a piece while you are working on it, be sure you are holding it securely. Pieces have a tendency to turn on the nails and you wouldn’t want the piece to fall off and hit someone if you lose your grip.

Don’t wear loose clothing while working because you could get caught in the saw or a moving part of the tool. Close-fitting clothing is always better for working around power tools. Clothing with drawstrings, pocket contents and other dangly bits such as long necklaces should be put away where they can’t get caught in the tools.

When using a table saw or other power tools, always wear safety glasses or goggles. These should be secured with more than just the ear pieces. They should fit snugly on your head to help prevent them from being pulled off by a flying object or a wayward piece of clothing.


Safety glasses with side shields help protect your eyes from not only flying objects but also splinters, chemical splashes and dust.

When sanding and cutting make sure you are using the right tool for the job. A handsaw or a circular saw is not going to give you the precision needed to cut small pieces. If you are trying to make a specific size or shape, it will be necessary to use a jigsaw, saber saw or table saw. These tools have spinning blades that can cut through wood fairly easily.

They can also kick back and cut you badly so they need to be used carefully.


Never wear jewelry of any kind when operating a power tool. A ring can get caught on a moving part and tear off your finger. Bracelets and watches can do the same thing as well as get caught in moving parts. Long hair should be pulled back neatly to prevent it from getting caught in a tool.

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If you find that your work space is a mess and there are obstacles such as nails, screws, tools, scraps of wood and other items around your feet, move everything to a safe place before you start working. You don’t want to have to reach down and get a sliver while you’re holding a saw. Also, move any items that could be kicked or knocked over while you are working. This includes containers of paint or thinner.

These substances are flammable and if they are spilled they can cause a fire.

Personal Safety

It goes without saying that the best safety measure you can take is to find an alternative way to finish your project. Some items such as furniture with sharp edges can be sanded or filed instead of routed or shaped with power tools. Other items can be finished by using paint (templates). If you do decide to use power tools, use the following safety tips:

Be sure you read all of the operating instructions for every tool that you are going to use. If there is anything that you don’t understand, find someone who knows about the tools to explain it to you. Properly installing and setting up the tools will prevent many accidents from occurring.

Tools can cause minor to severe injuries so when using them, you must wear appropriate personal protective equipment (PPE). This includes safety glasses or goggles, earplugs, dust masks or respirators and protective gloves. When using a table saw or router, you must also wear steel-toed safety boots.

A table saw is one of the most dangerous power tools you can use so always be careful when working around it. A mistake made while cutting a piece of wood could cause the saw to kickback and slam into your body. Kickback could cause the saw blade to break and pieces could be flung into your body or the piece you are cutting.

To prevent injuries from kicksbacks and flying wood chips, always make sure that the blade is sharp and clean. This will allow the wood to be cut easily and minimize the chance of the wood splintering or snapping back. Use push sticks and feather boards whenever possible to keep the wood from getting too close to the saw blade.

Whenever you need to make a cut or turn a piece of wood on a table saw, router table, mitre saw or any other power tool, always use push sticks and feather boards. Push sticks keep your hands away from the cutting edge and feather boards help prevent the wood from splintering or snapping back and hitting you.

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If you are using a hand saw, such as a miter or crosscut saw, be extremely cautious when making the cut. Hand saws are only designed to cut wood and not metals, plastic or other materials. These materials could be embedded in the blade which could cause a sudden increase in the speed of the saw blade. This in turn could cause the brake to fail to stop the blade causing it to accelerate into your body.

If the blade should break while cutting, never reach over the detached piece to grab it as it could cause your hand to be drawn into the spinning blade. Instead, reach around the detached piece and grab it from the other side.

Portable or Stationary?

When working with portable tools such as table saws, radial arm saws, miter saws or any other tool that can be moved around the shop, there are certain safety measures that you must take to ensure your safety. These tools should only be used when they are properly set up in a work area that is clear of any debris.

Make sure the surface you are working on is flat, clean and will not slip or slide when the tool is in operation.

If you need to cut a large piece of wood or metal, make sure that it is supported by another piece of wood so that it cannot move while the tool is in operation.

When cutting pieces of wood or metal, always use a push stick or feather board to keep your hands away from the blade.

When ripping (cutting lengthwise) wood on a table saw, always make sure the fence is locked down or has some sort of backup support installed. If you make a mistake while making the cut and the wood gets pulled between the blade and the fence, the fence could be knocked loose and cause an injury.

When ripping wood, always use a push stick or feather board.

When cross cutting (cutting across the wood grain), never use your hands to hold the wood in place. If the tool were to slip, the blade could easily cut your hands.

When cross cutting, you can either use a miter gauge or a crosscut sled. Both will keep your hands away from the blade while reducing the chance of an accident.

When using a miter saw (not a sliding miter saw), you can use either a push stick or a crosscut sled.

When using a miter saw (not a sliding miter saw), you must always use a push stick when cross cutting.

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If you are using a sliding miter saw, it is possible to cut across the wood grain without the use of any type of auxiliary device.

When using a sliding miter saw, it is possible to cut across the wood grain without the use of any type of auxiliary device if the blade is tilted.

A crosscut sled not only is safer than a miter gauge, it also provides a better cut.

Safety Tips

Whenever you are ripping wood on a table saw always use a push stick or feather board to keep your hands away from the blade.

Whenever you are ripping wood on a table saw, make sure that the fence is locked down or has some sort of backup support installed.

Hand Tools

A hand tool is any tool that is not powered and therefore requires your physical effort to use it. Some common hand tools include hammers, wrenches and screwdrivers. Since our primary focus will be on power tools, we won’t go into too much detail with hand tools in this chapter.

Always use the right tool for the job. This means that you should not use a saw to remove a screw, or a drill to drive in a nail. Using the correct tool will make the job much easier and will reduce your chances of an accident.

Make sure all handles are secure before using any tools. Any loose handle could cause an injury if it were to slip while in use.

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Always wear appropriate safety gear when using hand tools. Safety glasses should always be worn whenever working on a project. Gloves and ear plugs should also be used when appropriate.

Do not use hand tools for unintended purposes. For example, do not use a saw to remove a screw or drill bit.

When using a wrench, always make sure that you are turning the nut or bolt and not the wrench itself. If you turn the wrench itself, it could easily break causing an injury.

When working with another person, always make sure that you have the proper tools before that person arrives. Otherwise you could end up waiting for that person and missing out on possible productive work time.

Always use common sense when using hand tools. If something doesn’t feel right or seems dangerous, don’t do it!


A wrench is a tool that is used to turn nuts and bolts. There are many different types of wrenches, each designed to turn a specific size bolt or nut. There are variations in the way that the jaws of the wrench can be adjusted. The most common variations are the ratcheting adjustable type and the beam type.

When using a wrench, it is very important to make sure that it is on tight. If a wrench is not on tight, it can easily slip off and cause an injury.

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A monkey wrench is a type of wrench that has a movable jaw with which you can adjust the size of the opening. This type of wrench is used to turn very irregular shapes. A similar tool, but not exactly the same, is called a pipe wrench.

The terms open-end wrench and box end wrench refer to any type of wrench that does not have movable jaws.

Sources & references used in this article:

Cutting teeth for circular saw blades by EH Vollmer, GJ Vollmer – US Patent 4,173,914, 1979 – Google Patents

Carbide-tipped circular saw for metal cutting at low surface speeds by EG Lesher, CE Mieras – US Patent 4,604,933, 1986 – Google Patents

Cutting teeth for circular saw blades by EH Vollmer, GJ Vollmer – US Patent 4,133,240, 1979 – Google Patents

Metal cutting circular saw with integral sight window by K Moore, WJ Van Wambeke, JD Sayles – US Patent 6,543,143, 2003 – Google Patents

Circular saw blade by L Soderstrom – US Patent 3,878,747, 1975 – Google Patents

Circular saw blade by Y Suzuki, M Inagaki – US Patent 4,848,205, 1989 – Google Patents