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Circular Saw Review: Dewalt DW007K Cordless Circular Saw 24 Volt

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Power tools saws took this Dewalt DW007K for a test drive yesterday as it hit a huge 1,000 sales at the london screwfix outlet.

On first glance at the specifications we were majorly impressed with what this power tools saws had to offer. Packing 24 volts and a 24mm bore, this sounded ideal to cut some timber up for a base conversavtory project.

As we started cutting, the guide took control and we found that the blade movement was incredibly smooth. It went through the timber like a fine blade on silk, and we were completed with our timber cut in no time.

The official specs for the circular saw are:

Power Input: 24Volt Cordless
Blade Diameter (mm): 165 mm
No Load Speed RPM: 4000 rpm
Blade Bore – mm: 10 mm
Depth of Cut 90º: 55 mm
Depth of Cut 45º: 43.5 mm
Spindle Lock: Yes

Other reviews of dewalt power tools saws highlight their robust nature and reliability. The Dewalt DWOO7K is no exception and with a solid blade and battery pack supplied we are confident this is another great product from the guys over at Dewalt.

Common Mistakes to Avoid when Operating Circular Saws

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Using circular saws to do any home improvement work around the house is an excellent idea but these tools need to be handled with special care. Each year, there are always new stories of people who have had serious injuries because they weren’t careful with their saw. The following are some of the common mistakes that should be avoided at all costs so you can safely operate a circular saw.

Failure to wear the appropriate safety attire is a common mistake that is made as safety goggles and even gloves should be worn at all times when operating this tool. In addition to wear earplugs, avoid wearing loose clothing or jewelry which may get caught in the device. You simply can never be too safe these days when operating power tools which can cause serious injury if not used properly.

You then want to avoid using a dull blade as this puts additional stress on the saw to work extra hard in order to make an accurate cut. This is also dangerous because the operator will need to apply additional pressure which can certainly overwork the motor. Be sure to always replace the blades when needed and to always use the appropriate one when cutting certain types of material.

After the device is used, always make sure that it is unplugged to further prevent accidents. While this might seem like obvious advice, it is absolutely crucial. Unplugging the saw is also important for when you need to change out the blade or to maintenance. If you avoid making the above mistakes, then these tools are relatively safe to use but be sure to read the manual before getting started.

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Tips to Choosing the Right Circular Saw for your Home Improvement Projects

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Home improvement projects are extremely fun to get started but one of the most important tools that you will need to have in your arsenal is a circular saw. These are simply a must have as they are versatile tools designed to cut wood with a large blade. Choosing from the many different types available can be rather overwhelming so the following are tips to helping you choose the right cordless circular saws.

To help reduce body fatigue, you should look for a saw that weighs less than 10 pounds as these will be much easier to operate after extensive usage. If you intend to be making beveled cuts, then the saw you purchase should easily be able to do extreme angles. This will ensure that you can get the right job done without having to purchase another saw.

Magnesium frames are highly recommended as this adds to the durability of the overall tool while making it easy to operate. An important safety feature to have is electric brakes as these will immediately stop the blade from running after the trigger is released. This is beneficial for many reasons and can help to drastically reduce the chances of serious injuries.

For corded saws, you should stick with the one that has a blade capacity of 7 1/4 inch as this is perhaps the most popular type. Blades that are tipped with carbide or diamond are also commonly found in this size should you need to cut through metal, concrete or even plastic. There are many other features to consider so be sure to go to a local tool store until you find the saw that is right for your needs.

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Safety Tips for Operating a Portable Circular Saw

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Circular saws are versatile tools that are relatively easy to operate and so convenient that we sometimes forget the risk they pose if not operated with caution. Popular Mechanics includes circular saws in its list of the 5 most dangerous tools for their role in tool related injuries. Even those who are experienced and comfortable using circular saws must use extreme caution each time they operate one. Neglecting proper safety precautions with circular saws can lead to accidents and injuries, even death.

When operating any power tool, adhering to all safety precautions provided in the user manual is recommended to prevent injury. Below are some basic but essential safety tips to keep in mind when operating a circular saw:

The tips covered here are important for circular saw safety, but do not cover every possible scenario. Exercising extreme caution, using common sense and following all manufacturer recommendations are imperative for your safety when working with electrical power tools. The owner’s manual for your circular saw should cover specific safety rules intended for the tool you are using.

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An Introduction to Circular Saws

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A good circular saw is critical to any serious woodworker and the go-to electric tool for most carpenters. The circular saw’s versatility is partially due to the fact that it can be either table mounted or hand held. For straight cuts, it is recommended that a circular saw be clamped to the wood with a straightedge. This will give you a straight cut akin to a table or miter saw. A quality circular saw will also allow you to adjust the cut depth and angle of the cut. When choosing a circular saw, there are three central questions you must ask:

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Avoid these 5 Mistakes when Operating a Circular Saw

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Circular saws are quite versatile and efficient tools when used properly, but can pose a serious safety hazard if used incorrectly. Here are five mistakes to avoid when operating a circular saw:

Failing to wear the appropriate safety attire. While we wish it went without saying that safety goggles should always be worn when working with a circular saw, many people neglect to follow this basic safety rule. In addition to protecting the eyes, avoiding loose clothing and jewelry that could become caught in a saw is also important. Certain jobs also call for the use of hearing protection and/or a respirator mask for optimal protection.

Using a dull blade. If the blade on a circular saw is too dull, it will place unnecessary strain on both the saw and the operator. A dull blade in a circular saw can be dangerous because of the extra force the operator must apply in order to make a cut, and can also damage the saw by overworking the motor. A blade that has hit a nail is particularly prone to becoming dull, but any blade will become dull with use.

Leaving the saw plugged in. Circular saws should be unplugged at all times when not in use to prevent accidents. Battery operated saws can have the battery removed. Ensuring that a circular saw is unplugged is especially important when changing a blade, lubricating or otherwise maintaining the saw. Essentially, the only time the saw should be plugged into an outlet is while it is in use.

Overextending the body. Maintaining stable positioning is an important responsibility when using a circular saw. Overreaching could cause a saw operator to lose his or her balance and create a dangerous situation.

Using the wrong type of blade for the cutting surface. Different types of blades are available for circular saws to cut different surfaces. One important distinction is the difference between a ripping blade, designed to cut with wood grain, and a crosscutting blade, designed to cut against the grain. There are also blades designed for cutting different types of materials, such as glass, steel, tile or concrete.

Following all manufacturer usage guidelines and safety recommendations when using circular saws and other hand and power tools is advisable.

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Choosing The Right Circular Saw Blade

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You can have a top of the line circular saw but without a good blade it doesn’t amount to much. Having the right blade for the job you are doing is critical to making a clean cut and making the cut safely. Depending on the material you are cutting and the results you are looking for you have to choose a blade for your circular saw accordingly.
Generally the blade will be a standard 7-1/4″ in diameter. You can get general purpose blades for under $10 but to get a high quality blade you can expect to pay $50, $75 or more.
When choosing a blade I prefer to have a thin-kerf blade since it is easier to make a cut (kerf refers to the width of the cutting teeth). I also inspect the blade to make sure there are no chips in the carbide teeth. Running your finger nail along the edge of the blade will reveal any pits that you cannot see.
The blade and teeth should have no rust and be smooth and shiny. A dirty blade requires more force to make a cut which will result in a rough cut or cause an injury. Any dirty blades should be cleaned by using an industrial cleaner. This will dissolve any pitch or gummy substances left from cutting wood.
Different circular saw blades and their uses
Masonry Blade
A masonry blade is smooth with no teeth. This is because it grinds material away rather then cuts it. When using a masonry blade you should always wear a dust mask to prevent inhaling and hazardous substances. Masonry blades are ideal for scoring concrete pavers or cutting bricks.
Plywood Blade
Ideal for cutting cabinet grade plywood or plywood with a thin veneer, plywood blades nibble away the wood rather then chew it up like a general purpose blade. A plywood blade has a lot more teeth then other types of circular saw blades, often over 70 teeth. This makes for a very clean cut with no chip-out.
Chisel Tooth Blades
These types of blades are what usually come with a low to mid range circular saw. They often have only steel teeth which cut very well when sharp but are easily dulled. They are seldom used by professional since they do not maintain their cutting edge.
Trim Blades
Primarily for finishing cuts, a trim blade has 40 to 60 teeth, each with a premium carbide tip. A trim blade cuts slower then a general purpose blade but leaves a smooth sharp edge. They are ideal for cross cutting dimensional lumber and cutting plywood.
Decking Blades
Used for trimming off decking and other premium dimensional stock a decking blade has a thin kerf with a raised shoulder. This allows it to easily cut through even the hardest pressure treated lumber or knots in cedar or teak. Most decking blades also have a radial slot which reduces warping while cutting and prevents deep saw marks.
Remodeling Blades
These blades are primarily used for demolition work. They have far less teeth then a finishing or decking blade, often as few as 10 or 12. The teeth are also very robust with square shoulders and a wide kerf. It is ideal for rough cutting and cuts where nails and other debris could be present. Since this type of blade is so aggressive there is a lot of chip out. Avoid using a remodeling blade on finishing type cuts.
General Purpose Blade
This blade is used for most general cutting. Almost every circular saw will have a general purpose blade included with it. They are great for ripping or cross-cutting but do have some tear-out so should be avoided with finishing cuts. General purpose blades will usually have 20 teeth with carbide tips and cut smoothly when sharp.
Cutting with a circular saw is one of the most common ways to rip and cross-cut lumber and plywood. However there is always a risk of kick-back. Set the depth of the blade so it is just slightly deeper then the thickness of your stock. This will reduce the risk of kick-back and other injuries.

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How to Repair your Circular Saw Cord With Delta Replacement Parts

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Steps in Installing Delta Replacement Parts to Your Circular Saw

You know the essence of safety when it comes to using your Delta circular saw. Keep all your vital body parts out of the way. Well, you may have kept yourself from getting hurt, but the power cord was not as lucky. Don’t worry. Cutting the power cord to a saw is a very typical circumstance. For this situation, Delta has plenty of replacement cords. You will be back in business immediately.

You should know the model number to purchase the correct Delta replacement part for your circular saw. Look for the letters DW followed by a sequence of digits below the handle. You should buy from a reputable merchant to get authentic Delta parts. Make the repair when you receive the Delta part. Safety is of the utmost essence. Prior to performing any repair, unplug the circular saw. You are still in danger of an electric shock, even if the power cord has been severed.

To dismantle your Delta circular saw’s handle, use a drill or screwdriver. Store the parts on a box or tray near you. This will keep any screws or pieces from getting lost or misplaced.

It’ll be easiest to connect the replacement cord when the connections are made outside of the body of the circular saw. This will provide you with more room to work.

Your connections are essential. Before attaching the new Delta replacement cord, tidy up your connectors. It’s quite easy. Spray the ends of connectors and wires with a can of electrical cleaner. A small electrical wire brush is perfect for this purpose. Gently brush the wires and terminals prior to replacing the Delta part. You’ll have a good connection between the power cord and circular saw. Connect the ground connection to the chassis’ metal portion.

While making this repair, it’s a find idea to apply a dab of electrical grease on the connections. This easy step helps to decrease the likelihood of corrosion.

Securely install the handle. Use all the parts in your circular saw. Your Delta circular saw will function like new. The Delta replacement cord will provide you the high quality and dependability you’ve come to depend on from Delta tools.

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Choosing a Cordless Circular Saw

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A circular saw is a powerful, portable, and versatile tool designed to cut wood with a large spinning blade. While most circular saws are specifically designed to cut wooden materials, most can also be used with specialty blades made to cut metals, plastics, and other industrial materials. Circular saws have a flat, pivoting shoe that moves up and down for depth adjustment, and to the right or left (although generally to the left, from zero to 45 or 50 degrees) for angled cuts or edging. Circular saws are also built with a blade guard which covers the blade almost entirely to protect operators from the jaws of a spinning blade. Most circular saws also have additional safety features like blade and trigger locks — but don’t let these mechanisms fool you. Circular saws can be very dangerous, and because they are relatively simple to use and maneuver, it is easy to forget the potential dangers of a sharp, and spinning power tool as you work.

Circular saws are excellent for rip cuts, cutting with the grain, and also for cross cuts, or cuts made against the grain. The saw is also surprisingly accurate – even without a guide. Because the blade is so large, its bigger size generally keeps your cuts on track. Where accuracy is key, however, a fence or guide can be attached to ensure optimized cutting precision. There is a wide range of circular saws available from 4in. to 7-1/4in. (7-1/4in. , for example, refers to the blades diameter), and hand-held to table mounted. Craftsmen, however, can not get too far without needing a lightweight and cordless circular saw to get the job done.

The cordless circular saw is lightweight and convenient eliminating the need for outlets and to lug around endless, knotted ropes of power cord. With its portability and more compact size, the cordless saw can go more places and conveniently conquer your projects with not much sacrifice to power. From commercial jobs to backyard plans, no toolbox should be without this cordless giant.

Milwaukee’s 18v 6-1/2in. cordless circular saw delivers extreme power in an ergonomic and lightweight design. For increased performance and comfort on the job the tool has a compact design and soft grip handle that keeps it perfectly balanced for always precise and controlled cuts. The saw is also designed with magnesium lower and upper blade guards to provide maximum durability and keep you, and your blades safe from accidental drops. Magnesium is an element both lighter and stronger than aluminum increasing the stability and durability within the tool in a more lightweight, more efficient package. The saw is also built with an easy-to-read, aviation grade aluminum shoe designed to ensure greater accuracy, withstand wear, and resist breakage and bending. Milwaukee’s 2630-22 is built with a powerful 3,500 RPM motor that quickly and easily cuts through even the toughest materials. This powerful cutting capacity is ideal for plumbing, electrical, framing, finishing, and carpentry applications, and is conveniently versatile with a 2-1/8in. cut capacity at ninety degrees (standard position) and 1-5/8in. at forty-five degrees.

Milwaukee is also well known for their advanced and unrivaled battery power. The 2630-22 circular saw utilizes Milwaukee’s long lasting 2. 8 amh (amp hours) lithium ion batteries. These high capacity batteries last longer to increase your productivity, and produce 20 percent more torque to deliver the most powerful cuts. The saw also features an electronic overload system, a mechanism designed to protect the saw from burning up. Keeping the tool’s motor safe from overuse, the overload system extends the overall life and productivity of the saw. Additionally, the tool features an electronic braking system that stops the blade quickly to reinforce safety on the job. Milwaukee’s circular saw is ideal for any serious woodworker – contractors and at-home hobbyists alike. With more durability and comfort than most cordless saws on the market, the 2630-22 is excellent for cutting all types of wood and metal. Milwaukee’s circular saw comes with two 18v high-capacity lithium ion batteries, a one hour charger, 6-1/2in. – 24T carbide-tipped blade, and a convenient contractor bag. The saw is also backed with Milwaukee’s industry leading five year warranty, and a five year / 2000 charge warranty on the batteries.

Makita offers an 18v LXT lithium ion 6-1/2in. circular saw with a powerful 3,700 RPM. The saw’s ergonomic and balanced design delivers optimal operator control, even pressure, and simplified operation as you work. Weighing only 7. 1 lbs the saw is lightweight and easy to control, and has two built-in L. E. D lights for better illumination of your work space. The saw has a high torque motor with a cut capacity of 2-1/4in. at ninety degrees, 1-9/16in. at forty-five degrees, and 1-7/16in. at fifty degrees. For additional durability and smooth, accurate cutting, the BSS610 has a precision machined, heavy gauge base, and a built-in dust blower to keep your workpiece clean.

Makita’s circular saw utilizes lithium ion technology to provide longer battery run-time and an optimized overall lifespan. Makita also provides an advanced charging system (45-minute Optimum Charger) that, through built-in CPU chips, communicates with the battery to maximize performance. Throughout the charging process the charger monitors, with “Active 3 Control” technology, the current, temperature, and voltage within the battery. The 45-minute Optimum Charger also has a built-in fan to cool the battery and deliver optimal performance for the life of the battery. The BSS610 is built with a two-piece armature and field, and has externally accessible brushes to simplify any necessary service. Makita’s 18v, 6-1/2in. circular saw includes two LXT lithium ion 3. 0Ah batteries, a 45-minute Optimum Charger, saw blade, and a tool case for convenience and portability. Additionally, Makita provides a three-year warranty on the tool and a one-year warranty on the batteries.

DEWALT also offers an 18v XRP cordless circular saw kit with a commanding 3,700 RPM for fast and smooth rip, and cross cuts. The tool is also built with a strong magnesium shoe and upper guard to deliver enhanced durability. For versatility in multiple applications the saw has a bevel capacity from zero to 50 degrees with a cut depth of 1-5/8in. at 45 degrees, and 2-1/4in. at ninety degrees. DEWALT’s DC390K has easily replaceable brushes and a fan-cooled motor for optimal power and durability. Its XRP battery offers extended run-time for increased productivity, and longer overall battery life for optimized efficiency on the job. Weighing only 8. 7 lbs the circular saw is lightweight and convenient for all cutting applications – industrial and home projects alike. DEWALT’s DC390K 18v XRP cordless circular saw kit includes a one hour charger, 18v XRP battery pack, 16T carbide-tipped saw blade, a blade wrench, rip fence, and a heavy duty kit box for security and mobility. The tool is also backed by DEWALT’s three year limited warranty on the saw and battery.

These options provide a pretty good review of what’s available for cordless circular saws. The portability and power of the tool coupled with its lightweight, compact, comfortable, and cordless design, establish the cordless circular saw as a must-have in any craftsman’s toolbox. For rip cuts, cross cuts, beveled or angled cuts, and its fast accuracy, the circular saw is the ultimate cutting tool.

As a student at the University of Utah, Mallory Kramer is currently earning an English degree. Three years ago she joined M&M Tool adding to their over 150 years combined experience; there, she specializes in tool parts and web communications. For over 60 years M&M Tool has provided professional service to the tool industry with parts, sales, and service to professional level woodworking products, tools, and machinery.

Understanding Circular Saws

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In-Line Saw – These are the most common types of circular saws and tend to be the least expensive, also they don’t weigh as much as the Worm Drive saws. An In-line saw’s motor sits perpendicular to the blade and a shaft runs directly from the motor to drive the blade. An In-Line saw will suite most of your applications and except for changing the blades, they are maintenance free.

Worm Drive Saw – A worm drive is for heavy duty use and tend to cost a little more than the In-Line saws. A worm drive motor is positioned parallel with the blade and uses a gear to increase the torque transferred to the blade. These tend to be a little heavier than the in-line models. Also worm saws are not maintenance free, you will need to occasionally add a special oil to the motor, which is nothing more than unscrewing a screw and adding the oil, it is very easy.

Circular Saw Features

Electric Brakes – This is one feature I would get, no questions asked. An electric brake stops the motor in about two seconds after releasing the trigger, while a saw without an electric brake will take about 10 to 15 seconds to stop. The electric brake works by reversing the flow of electricity to the saw motor. The reason to go with the eclectic brake, which most models now offer, is to save limbs and fingers. After you are cutting for a while your arm will tend to get tired and you want to make sure your safe at all times. Stopping the blade quicker means less time and chances of getting hurt.

Blade Capacity – As noted above circular saws come in different blade sizes. If you are buying a corded model I would go with a 7 1/4″ and cordless go with a 6 1/2″. The larger blade models are more heavy, but in the long run you will have to make less cuts, especially on angle cuts.

Shaft Locks – Make sure your saw has a lock. A Shaft lock is usually a button you press that holds the blade still, to make changing the blade easier. If your buying a professional power circular saw, it should have this feature. The cheaper models usually do not have this feature.

What to look for when buying a circular saw

I would definitely look for a circular saw that accepts 7 1/4 blades. These are the most common blades; therefore making it easier to buy blades down the road. Also I would look for a saw with a long cord, you would be surprised how many cords are very short. You can always add an extension cord on, but I would look for a cord that is at least 8 feet in length. Another primary item to look for is an adjustable base plate. This is good for making angle cuts and sometimes comes in very handy.

Cordless Saws – Cordless saws are nice because they have no cords to plug in, trip over or even cut through. However they lack the power. The blades tend to be smaller therefore they do not cut as quick. Since it takes a lot of power to cut through wood, you will definitely need more than one battery as you will be recharging them often.

Corded Saws – Corded saws are more powerful, but also heavier. If you are going to be cutting a lot of wood, grab the corded model as it will save you aggravation done the road.

I currently own a cordless and corded one. I find myself using both models just about the same. It is just easier to grab the cordless one and start cutting. Most of the carpenter I know or have talked to also own both styles.

For more information, please visit Eric Sotus and other power tool articles at http://www. dewaltdeals. com

Power Tools Saws

Circular Saw Review: Dewalt DW007K Cordless Circular Saw 24 Volt

Common Mistakes to Avoid when Operating Circular Saws

Tips to Choosing the Right Circular Saw for your Home Improvement Projects

Safety Tips for Operating a Portable Circular Saw

An Introduction to Circular Saws

Avoid these 5 Mistakes when Operating a Circular Saw

Choosing The Right Circular Saw Blade

How to Repair your Circular Saw Cord With Delta Replacement Parts

Choosing a Cordless Circular Saw

Understanding Circular Saws

Power Tools Saws Range

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