Can Angle Grinders Cut Wood? All You Need to Know. Angle grinder for wood
Can Angle Grinders Cut Wood? All You Need to Know
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You might have heard of an angle grinder and how it is great for cutting metal and hard materials. However, knowing everything that you can do with this tool will help you get the most out of it when you work with one.
So, can angle grinders cut wood too?
Well, yes, they can, but you need to know exactly how to use the tool and what blades to use. That said, there are some major risks involved with using an angle grinder for woodcutting, so knowing what to prepare for will help to keep you safe.
We will discuss all you need to know so you can get started on whatever home project or job that you need to finish.
Can You Cut Wood with an Angle Grinder?
Well, yes. You can cut wood with an angle grinder because it has the strength and capability to do so. However, that does not necessarily make an angle grinder the best option for the job. Although an angle grinder might be good for smaller jobs, you might think twice about handling a large job with this tool.
Several alternative options – especially saws – are designed for wood cutting, which the angle grinder is not. Using a circular saw, hand saws, jigsaws, and reciprocating saws are all better options than an angle grinder. These alternatives offer safer use when cutting wood and allow you to have a more precise cut without having the extra safety precautions.
If you are deciding whether you want to use your angle grinder for cutting wood or not, think about what will work best for you. These alternatives can be pricey, and if you have an angle grinder already, it might seem frivolous to buy another tool.
However, you will need to make sure that you have the right blade.
So, take this all into consideration.
What Are the Best Angle Grinder Blades for Cutting Wood?
When it comes to cutting wood with an angle grinder, you need the right type of blade to do the job. So, let’s go over a few options that make the best blades for cutting wood.
Well, first let’s talk about whether or not a standard blade can be used to cut wood. This is a mistake that many newer uses make, and it is one that you will want to stay away from. Using a regular blade will cut, however, the safety is just not up to par. If anything goes wrong, the grinder could lift and fly off the table you are working on.
With high speeds of revolutions, you could get very seriously hurt. So, instead of attempting to use a standard blade, you should look for one of the woodcutting blades mentioned below to help lower the risk of an accident and keep your project looking smooth and precise.
This angle grinder wood carving disc is a top option that will work for both soft and hardwoods. It comes with the strength needed for wood but also has the right shape and design to be able to handle woodcutting jobs without problems. This is one of the options that you should look for, and ones like it, that are designed for the job that you want to do.
As this option can cut hardwood, plywood, MDF, and other materials, this is a great choice.
How to Use Cut Wood with an Angle Grinder
If you are going to use an angle grinder for the job, then there are important steps that you need to take to maintain your safety while getting the job done. So, let’s get into all the steps that you need to follow to ensure that you are safe when using your angle grinder to cut wood.
Step 1: Gear Your Gear Ready
You need to have PPE gear, or personal protection equipment, for the job on hand. This means that you will have your goggles, gloves, apron, cap, and mask to protect you from small particles and from getting any major injuries. This is what should be used for all major projects that require power tools.
Step 2: Adjust Your Blade
After you have bought the woodcutting blade for your angle grinder, you will need to install it and make sure that it is secured. You don’t want the blade to feel loose, and you don’t want it to wobble. If you still see these issues, try to adjust and re-secure it. This will help you identify what went wrong, and if the blade goes on correctly right away, then you won’t need to fix it.
Step 3: Begin to Cut
When cutting wood with an angle grinder, you need to think about what this tool is mainly used for. It is not made for cutting wood, so starting with smaller cuts at a time will help you get the job done. You don’t want to push hard and risk the grinder coming back up, which would be in your direction.
So, take it slow and make sure that you are giving the tool lots of breaks. If you feel any pushback at all, stop cutting and give it a minute. Then, you can slowly work your way back to cutting the wood.
Step 4: Cut at a Slight Angle
This is something that might be difficult to understand at first, but because this is not a saw, and you don’t want to have it facing straight ahead like one. So, cut the wood at a slight angle to prevent kickbacks and keep the blade cutting for a long time.
Mistakes to Avoid, Tips Tricks
Even when you follow these rules, there are things that you just cannot fully learn without doing it yourself. However, you do not have to learn from experience if you get tips from those who have already made these mistakes. So, here are some helpful tips and tricks to use when cutting wood with an angle grinder.
The first mistake to avoid is to go too fast. When doing something quite dangerous, you might have the natural feeling to get it over with as fast as possible. Well, in this scenario, you could end up paying dearly for it. Going slow and being deliberate about your movements is one of the most important things about using an angler grinder to cut wood.
So, take your time. Do not rush the work or else you may experience kickback from the grinder and potentially be very hurt.
Another thing that you should keep in mind is that you will likely have to get used to cutting at a bit of an angle. Your first instinct will be to cut straight down, but that will raise the chances of injury. Instead, practice using a slight angle with each cut. Because this tool is meant for carving wood, and not necessarily cutting it, the angle will work better and cut more precisely.
The last thing that you should think about when using an angle grinder to cut wood is that the safety guard is your best friend. Some people don’t like the guard since it can get in your way a bit, but this is the one thing that is keeping you safe from the blade directly.
So, don’t try to move or remove the guard, this will just open you up for a disaster.
Should You Cut Wood with an Angle Grinder?
With everything that has been said, is it a good idea to cut wood with an angle grinder?
Well, no, it is an option that should be only a last-ditch effort if you have no other tool for the job. With the higher chance of injury that comes with this tool, it is just not worth the higher risk of getting injured by kickback.
Even with a woodcutting blade, you are putting yourself at risk.
However, if this is your only option and you need to find a way to finish a job, then using the tips and safety measures that we laid out for you will keep you safe and help you from getting injured while finishing your project. Just keep all of these things in mind while working to stay as safe as possible.
Cutting wood with an angle grinder is not the safest thing to do, especially when there are other more appropriate tools to get the job done. However, the higher level of risk associated with this project will be necessary if an angle grinder is all you have. So, take the necessary precautions and make sure that you are taking all steps to keep yourself safe while using the angle grinder.
Also, if you need to come back to this article to refresh your memory after some time, then feel free to re-read it as many times as you need to. The best thing to do is only work with tools that you are comfortable with, and after some practice, you could be used to this tool too.
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How to Use an Angle Grinder – 9 Tips to Grind Like a Pro
We got our Pro team together to give you some tips on how to use an angle grinder from basics to some advanced techniques and shortcuts. Angle grinders are controlled by either a trigger, paddle, or switch. They spin a disc at an incredible rate of speed for the express purpose of sanding, grinding, or cutting.
Due to the Rapid advancements in lithium-ion battery technology, the many angle grinder uses have expanded dramatically. This makes it a versatile tool used by a wide range of professionals. With so much flexibility at your disposal, the angle grinder also has a steep learning curve compared to many other tools.
– When Using an Angle Grinder, Protect Yourself!
Before you use an angle grinder, you’ll want to grab some personal protection gear. The reality of the angle grinder is that it’s a loud tool that kicks a whole lot of debris around. Plus, you’re not always grinding or polishing. Oftentimes, the job entails cutting. If you get sloppy with a cutting wheel or simply have bad luck, that wheel could turn into high-speed shrapnel.
For these reasons, you’ll do yourself a favor if you grab some hearing protection, long sleeves, gloves, and something to shield your entire face. You don’t want to take a hot shard of cut-off wheel to the moneymaker, after all. A grinder can also ruin your clothing, so wear protective outerwear if you don’t want pinholes in your clothes from flying hot metal.
Pro Tip: Having a cutting wheel fly apart on you at 10,000 RPM is no joke. There’s nothing you can do when it happens. As a result, you want to always wear a full face shield when using a cutting wheel—even when using a guard. Grinding and using a flap disc doesn’t typically present the same level of danger, so the guard and adequate eye protection are often enough.
– Perform a Ring Test on Grinding Wheels
We recommend doing what’s known as a “ring test” on any grinding wheel before affixing it to your grinder. You can actually do this on bench grinders as well. You basically suspend the grinder wheel from a pencil or other project. Then, gently tap it with the handle of a screwdriver or similar tool—anything not made of metal. Rotate it 180 degrees and do it again. A wheel in good condition should let out a distinctive metallic “ringing” sound.
That metallic ring comes indicates the integrity of the grinder wheel. An internally- or externally-cracked wheel typically stops the vibrations at the damaged point—preventing a clear ring. While the ring test does a good job of giving you an idea of the integrity of the wheel, you also want to follow up with a quick visual inspection.
Once you’re reasonably certain of the integrity of your grinding wheel, go ahead and mount it. The last thing we recommend before starting is to run that wheel on its own (pointed away from your face) for 15-30 seconds. This helps you know (by feel) if it’s properly centered and mounted and if there are any issues with the wheel balance.
– Angle Sparks Away from Your Body
Because angle grinders quickly remove lots of material, lower the risk as much as possible by positioning the tool properly. Using an angle grinder in different applications and with certain attachments calls for different angles. Ensuring sparks and debris fly away from your body reduces your chances of getting injured. Your work clothes will last longer, too!
– When Surface Grinding and Using Flap Discs
For surface grinding, use the flat part of the wheel, maintaining a 20°-30° angle between the tool and the work surface. Position the blade guard at the back toward your body. Use a smooth back-and-forth motion to guide the flap disc over the material. Let the wheel do the work, but feel free to apply enough pressure to ensure you’re being productive.
You can really grind down welds quickly in preparation for painting using this method.
– How to Hold an Angle Grinder When Using Cutting Wheels
You should tackle cutting straight on since you want to use the edge of your wheel to cut into the work surface. Be careful not to bend the cutting wheel in any direction. In this mode, the guard always goes on top to protect you from debris. Wearing a face shield also protects you against premature disc failure. And remember—if the guard isn’t between the cutting disc and your face—move it until it is.
Also—and this might go without saying—never “plunge cut” a cutting wheel into the material. Cutting at the 12 o’clock position is a recipe for kickback and loss of control. Instead, cut downward as shown in the image above.
– Guard Yourself Against Kickback
Kickback occurs any time the grinder wheel stops suddenly. This forces the grinder in the opposite direction of the rotation at the point of pinching. Knowing how to use an angle grinder in a way that avoids this can keep you safe. For cut-off applications, this can happen when the waste piece sags under its own weight—suddenly pinching the blade and causing the tool to transfer all that rotational energy into a kickback event.
Guard against this by properly using blade guards and by supporting your material properly so it doesn’t sag when making an abrasive cut.
You can also experience kickback when using abrasive wheels to grind down material. Corners, sharp edges, and other areas present possible points of kickback that can damage and/or stop a wheel suddenly. Take care to use the auxiliary handle in a way that gives you leverage to protect yourself should this occur. Never EVER use a grinder with one hand!
– Using a Grinder for Light Work or Sanding
For sanding applications, hold the tool at a 5°-10° angle to the work surface. For pretty much all grinder applications, apply only minimum pressure. You want to let the tool and the abrasive accessory do the hard work.
– Your Accessories Need to Match the RPM of the Grinder
Check the manufacturer’s specs when attaching your wheel, disc, or cup. The max RPM on the accessory should meet or exceed the max RPM of the grinder you plan to use. If the rated speed of the accessory is lower than your grinder, you run the risk of the wheel flying apart.
– Never Use Toothed Blades on a Grinder
I don’t care if a company offers circular saw-style blades that fit your grinder. These tools operate at a significantly higher RPM than any handheld circular saw. You NEVER want to use toothed blades on a grinder. That includes those “wood carving chain discs” that use chainsaw teeth as well as anything with carbide-toothed blades. Just don’t do it.
Yakamoz 5 Inch Angle Grinder Chain Wood Carving Disc Chainsaw Tool for 125mm Angle Grinder #shorts
Additional Pro Tips on How to Use an Angle Grinder
If you’ve got any additional tips or tricks on how to use an angle grinder, feel free to leave a comment below.
How To Use Angle Grinder for Sanding Wood in Proper Way
Wood is the most needed thing for everyday life. Woods are used in every mandatory product like furniture, deck, home, or office interior design. But it needs some processes like cutting, sanding, polishing, etc. And how to use an angle grinder for sanding wood surfaces? We will find out.
Sanding wood is the most common process while making furniture. It can be done with any tool or machine. An angle grinder is good medicine for wood sanding. It makes the sanding process easy and done very fast. But workers should know how to use it for sanding and other related things.
About Angle Grinder
A grinder is also called a side grinder or disk grinder. It is a handheld power tool. It is used for wood or metal, or other related works. Cutting, grinding, polishing, and an angle grinder does related things. The most common and available angle grinders are powered by electronic or battery power. Coded angle grinders are famous as well.
An angle grinder is a perfect tool for woodwork. It is the most versatile tool in the box. Wood can be cut, polished, or sand by it easily. It is also a time saver for woodworkers. It has a sharp metal blade over the head of the grinder. This blade does all of the work.
How To Use Angle Grinder for Sanding Wood
Sanding wood is a mandatory step before making any furniture. It gives the wood a nice and better look. Unfortunately, an angle grinder makes the sanding work too easy. So instead, there are a few steps to turn the grinder into a sander.
Use Speed Controlled Angle Grinder
There are many types of angle grinders available. A speed-controlled angle grinder is best for sanding. How much sand is needed is measured before sanding? Over sanding or less can cause problems at present or later. So, controlling speed is a must.
Use Flap Disk
To sand wood, you must need a flap disc. The flap disc has overlapping sandpaper on the outer part of the disk. Flap discs are extremely effective for removing large surface areas. It works very quickly and easily. This disc comes in many sixes. Every size is effective; it’s just a matter of time.
Install The Disk on the Grinder Machine
First, remove all the previous discs and tools from the grinders to install the flap disc. They fit the guard for grinding. Guard is essential for the machine. Then fit the handle inside of the grinder. They located the back flange on the keyway. Then put the disc on the back flange. Secure the disc with a front flange. Secure the front flange tightly. Now It is ready to sand any wood.
Start Sanding wood with the grinder machine.
After installing the disc on the angle grinder, it is ready to use. For safety, wear safety equipment and gloves. For extra safety, use eye and ear protection. Make sure the wood is not movable. Then connect the grinder with electricity. Then set control and start sanding carefully.
Other Disks Which Are Good for Sanding
A flap disc is not the only disc available for sanding wood. Foam discs are also effective for sanding. It is ideal for sanding little or soft areas. It’s made with sharp foams. It is less expensive compared to other discs. It can be used for low-budget projects also.
Step 1: Get yourself a foam disk.
Foam discs are the most common disc among all the other discs. It’s available in many markets and online sites. It can be bought from any retailer or wholesaler. It comes in many qualities. It’s essential to buy the best quality sand wood ideally.
Step 2: Stick Sand Paper on it
Foam discs need sandpaper to work. So first, buy sandpaper according to the size of the disc. Then stick the paper on the foam side. Any kind of glue is suitable to attach sandpaper with foam.
Step 3: Cut Extra Areas
After attaching sandpaper with foam, it is still unable to sand. The sandpaper needs to get a shape like the foam. First, take a sharp seizure. Then, start cutting the paper from the outer side. Cut totally until it gets shaped. Now it is ready to sand the wood surfaces.
Things to Remember When Sanding Wood
Sanding wood is easy to work with, but it is not a cup of tea. For sanding, a worker needs many tools like an angle grinder, blade, sandpaper, etc. Unfortunately, these things are a little dangerous to use. So, sanding should be done very carefully.
Use Dust Mask
Musk is a mandatory product while sanding. At the same time, sanding the dust mix with the air. It can go to the human body through the nose. The dust is dangerous for the human body. It can damage the lungs, which causes breathing problems. It can also cause lung diseases like lung cancer. Muck can prevent all of these problems.
Wear Eye Protection
While sanding, eyes should be protected. Wood dust can get stuck to the eyes. It causes eye irritation and other eye-related problems. Any protective goggles can help a lot. It will stop the dust from sticking to Sanders’ eyes.
Use Moderate Speed on Machine
A controlling machine is important for sanding. Fast machines sands too fast and this causes more mess of dust. Sands stay in place if the sanding process is slow. It can help the sander to control dust. It can save the sander from any health issue.
How To Convert an Angle Grinder to Sander?
Usually, angle grinders are for cutting, polishing, or any other kind of wood and metal work. It can work as a sander also. But a grinder needs a flap disc for sanding. A flap disc is ideal for sanding wood surfaces; it can sand any big surface area and smooth the surface.
What Are the Best Sanding Discs for Angle Grinder?
Ceramic disc is the best disc for angle grinder. It is not common for professional workers. It works almost like a flap disc. But it is less popular than a flap disc. But it is suitable for not overheating during sanding because of its ceramic body. It has more sensing capacity than any standard metal disc.
We have tried to give you all the information on how to use an angle grinder for sanding wood surfaces. In a nutshell, it’s easy and smooth to go on.
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This article is all about angle grinder and its related things. Definition, meaning, utility, and all other things are written in this article.
There are some names of discs given. Know which discs are good for wood sanding and how to sand with this grinder. Also, know how to use this grinder.
Use safety equipment before sanding. I hope you read the article and learn how wood sand risks the human body and how to prevent it.
Read the full article to know your problems and find the best solution for your projects. Learn thoroughly to understand all information given.
Rely on a quality angle grinder for cutting, grinding, carving, and a host of other tasks.
By Timothy Dale and Tom Scalisi | Updated May 20, 2022 11:08 AM
We may earn revenue from the products available on this page and participate in affiliate programs.
Angle grinders are versatile power tools that can handle a variety of projects, such as cutting iron pipe to replace a faulty valve, carving wood to craft furniture, cutting tile for a backsplash, and removing grout from between tiles.
Interchangeable rotating discs—some made for cutting and others with an abrasive edge for grinding—can be swapped out based on the application. For safety, a guard sits between the disc and the handle to protect the operator.
If you’re ready to add this tool to your collection, read on for more on its capabilities and what to look for in the best angle grinder. Each of the top picks below was selected after an in-depth review of the market and thorough product vetting.
- BEST OVERALL:Makita XAG04Z 18V LXT Cordless Cut-Off/Angle Grinder
- BEST BUDGET:Metabo HPT 4.5-in 6.2-Amp Angle Grinder
- UPGRADE PICK:DeWALT 20V MAX XR Brushless Cut Off/Grinder
- BEST CORDED:Porter-Cable Angle Grinder Tool, 4-1/2-Inch (PC750AG)
- BEST LIGHT-DUTY:Black Decker Angle Grinder Tool, 4-1/2-Inch (BDEG400)
- BEST HEAVY-DUTY:DeWALT Angle Grinder Tool, 4-1/2-Inch (DWE402)
What to Consider When Choosing the Best Angle Grinder
There are a few things to understand before clicking “add to cart” on just any old angle grinder. The best angle grinders may have unique features, different power sources, and some might simply be better suited to particulars. The following points are worth considering when shopping for a good quality grinder.
Angle grinders come in sizes, denoted by a number that refers to the maximum diameter of the grinding wheel or disc it will handle. For most DIY projects, a 4-, 4.5-, or 5-inch disc will suffice. In fact, these compact sizes and weights are ideal for DIYers, as larger discs can become unwieldy or tedious to work with.
Larger discs (up to 9 inches) are more commonly used in industrial situations by professionals cutting through thick pieces of material. As the disc gets larger, the grinder itself must be larger to handle the cutting strength. This translates to a heavier tool that’s likely to cause hand fatigue sooner than using a small angle grinder.
Angle grinders are available as corded models (which plug into an electrical outlet) and cordless (which use a battery).
- Corded grinders typically generate more power at a consistent level due to the direct connection to the outlet. But corded models restrict the user to a physical location, limiting range without an extension cord. The cords can also be a tripping hazard and, therefore, a nuisance while working on a project.
- Typically, cordless grinders lack the sheer power of their corded counterparts. And functionality depends on battery capacity, so a dead battery could mean downtime in the middle of the project. On the plus side, cordless angle grinders offer hassle-free mobility and are better for use in tight spaces.
Angle grinder speed is measured in revolutions per minute (rpm). Speeds typically range between 5,000 and 10,000 rpm, though some very robust grinders reach up to 12,000 rpm. Keep in mind, however, that the rpm rating is under “no-load” conditions, meaning that the disc isn’t cutting or grinding anything, just spinning in the air. Once the disc is cutting or grinding, that speed will lower considerably.
Obviously, the higher the rpm, the easier and more quickly the tool can cut through the target material. But the disc also becomes hotter at higher speeds and could be vulnerable to rupture—an injury risk. Be sure to use the correct disc for the task, and note the maximum supported speed marked on the disc. For example, a disc rated at 7,500 rpm that is running faster can break under the force, sending shards of the grinder wheel flying.
Angle grinders measure power output potential in volts (V) and amperes (amps). Cordless angle grinders use volts to measure the power available from their battery, with most cordless models using 18-volt or 20-volt batteries and outliers ranging from 7.5 volts to 24 volts. The “magic number” in most cordless power tools is 18 volts to 20 volts, offering the best mix of affordability and functionality.
Voltage readings on corded angle grinders only indicate whether they can be used with 120-volt or 220-volt power outlets. Shoppers can assess the power output potential of corded models by checking amperage, which ranges from 5 amps to 15 amps. Larger discs will require a larger output, so for a 7- or 9-inch grinder, expect it to have a higher power output potential.
The guard on an angle grinder is a crucial safety measure that covers half the disc. Its purpose is to protect the user’s hands, by preventing sparks and debris from flying toward the user, and to protect surfaces from damage when using the grinder in tight spaces.
Some angle grinders have a movable guard, and others have a fixed guard. The movable option is more popular as it allows for left-handed or right-handed use and can adjust to better protect the user from flying debris. If left untightened, however, a movable guard can fall off the unit. Fixed guards are more robust, and there’s no risk of them coming off a grinder.
Because angle grinders are fast, powerful tools, they can recoil a bit upon power-up. This is particularly true if the grinding wheel is large and heavy. The recoil from the motor can result in the angle grinder jumping in the user’s hands, potentially causing serious injury.
To combat recoil, soft-start technology reduces the power output to the motor at first, slowly increasing until the angle grinder is fully up to speed. This throttled control over the power output prevents an angle grinder from recoiling during start-up, increasing safety while also reducing the jolt to the user’s arms and wrists.
Tips for Buying and Using an Angle Grinder
Keep these tips in mind when choosing and using an angle grinder.
- The most common DIY projects where an angle grinder will be of use—such as cutting tile or pipe, metalworking, or removing grout and mortar—rarely require more than a 4.5-inch grinder.
- The ongoing vibration of an angle grinder can cause what is known as Hand-Arm Vibration Syndrome (HAVS), with symptoms including pain and cold sensations in the user’s fingers, loss of grip strength, and a loss of sensation in the fingers and hands. An angle grinder with cushioned or vibration absorbent material on the grip can protect hands from ongoing vibration.
- Always wear personal protective equipment (PPE) including safety glasses/goggles, hearing protection, and respiratory protection when grinding.
- Check the grinder before use to ensure the disc and guard are properly attached and tightened. Discs and guards can become loose between uses. Tighten them before connecting the power to the angle grinder.
Our Top Picks
While all that information on the best angle grinders ought to be helpful when shopping, there’s really no substitute for hands-on testing. Tom had the pleasure of personally putting all the following angle grinders through their paces during a recent metalworking project.
Each of the models reviewed passed our tests and met our standards (see “How We Tested,” below), though Tom found some models better for specific tasks than others. Note that all of the following models feature movable guards and screw-in handles.
Makita XAG04Z 18V LXT Cordless Cut-Off/Angle Grinder
The Makita XAG04Z is worth checking out by anyone looking for the best cordless angle grinder performance. This top-rated angle grinder features an 8,500 rpm top speed thanks to its brushless motor and the 18-volt lithium-ion battery. It can handle 4.5- and 5-inch discs.
We found the XAG04Z excellent to work with. While it doesn’t boast the highest top speed, the automatic speed adjustment enabled it to maintain speed during tough cuts and grinds. We noticed very little vibration thanks to the rubber over-molded grip and handle, and the lock-on switch proved to be a huge plus.
The only downsides I see: Assembling the two-piece handguard was a little awkward, and it would be nice if the tool came with a battery and a charger.
- Automatically adjusts speed and torque settings
- Slow start keeps the tool from jumping
- Lock-on switch
- Very little noticeable vibration
Get the Makita angle grinder at Amazon, Walmart, The Home Depot, and Ace Hardware.
Metabo HPT 4.5-in 6.2-Amp Angle Grinder
When it comes to DIY projects and budgets, not everyone can afford top-of-the-line tools every time. So those hoping to save cash and still get a quality grinder may want to give this corded model from Metabo HPT a look. It uses 4.5-inch discs, has a 6.2-amp motor, and spins at up to 10,000 rpm.
This is one of the best 4.5 inch angle grinder options for the money, and the Metabo HPT’s usefulness was somewhat of a surprise. I enjoyed how compact and lightweight it was in my hand. The location of the power switch is very convenient, especially during cutting.
The lock-on feature allowed me to kick it on and leave it on—very helpful in my project. My only complaint is that the Metabo HPT lacks the power of other corded models, and the 6.2-amp motor seemed like it could overheat during all-day use.
- Lock-on switch for long use
- Lightweight angle grinder (only 4 pounds)
- The most compact of all the grinders tested
- A little lacking in power compared to other corded models
- The 6.2-amp motor isn’t ideal for all-day use
Get the Metabo angle grinder on Amazon and at Lowe’s.
DeWALT 20V MAX XR Brushless Cut Off/Grinder
DeWALT’s 20V Max XR Brushless Cut-Off/Grinder cordless angle grinder could be the ultimate upgrade for pros and DIYers who take their tools seriously. This cordless model utilizes the brand’s 20-volt Max XR lineup, and its brushless motor spins 4.5-inch discs up to 9,000 rpm.
My experience with this DeWALT model was just as I expected: great portability and truly outstanding power. It made short work of cutting and grinding, without a cord to get in the way. The grip and handle both feature thick rubber, keeping vibration and fatigue to a minimum.
The safety features are certainly a plus: The electronic brake stopped the disc within 2 seconds (other models can take up to 10 seconds), and simply knowing that there is a kickback brake instilled confidence.
- Safety includes two-stage trigger, electronic brake, and kickback brake
- Excellent ergonomics and anti-vibration
- Plenty of power
Get the DeWALT angle grinder at Amazon, Walmart, and Lowe’s. Check for a refurbished DeWALT on Amazon.
Porter-Cable Angle Grinder Tool, 4-1/2-Inch (PC750AG)
This Porter-Cable product is one of the top corded angle grinder options for dependable power. This model features a heavy-duty 7.5-amp motor that spins a 4.5-inch disc at speeds up to 10,000 rpm, providing plenty of speed and power for workshop use.
The Porter-Cable grinder felt truly in its element on my metalworking project, handling cuts and grinds nicely. While it doesn’t have the most power compared to others on our list, it’s pretty close. It’s also one of the only grinders to feature a traditional trigger switch, which I felt was easy to use and more intuitive than most. I also really liked the top-mount position for the handle attachment, as it can make cutting much more manageable.
The one negative worth mentioning is that vibration control isn’t top-tier, so although it can take all-day use, the user’s hands and wrists might tire.
- Top-mounted handle position
- Comfortable trigger switch
- The 7.5-amp motor has plenty of power
Get the Porter-Cable angle grinder at Amazon, Walmart, and Lowe’s.
Black Decker Angle Grinder Tool, 4-1/2-Inch
If you’re searching for the best angle grinder for wood carving, sanding, grout removal, and other light-duty projects, Black Decker’s Angle Grinder Tool might be a wise choice. This affordable model features a 6-amp motor that produces up to 10,000 rpm of speed, and it’s compatible with 4.5-inch grinding and cutting wheels.
Black Decker markets this model at light-duty, DIY-type users, and that’s where it excels. This very affordable model is easy to use, thanks in part to its lock-on trigger. The three-position handle mounting system works for plenty of scenarios, such as cutting and grinding at unusual angles. Just don’t expect the Black Decker to handle heavy-duty jobs like large metalworking projects for any length of time, as it only has a 6-amp motor.
- Plenty of capability for the price
- Three-position handle, including top-mount
- Trigger locks into position
Get the Black Decker angle grinder at Amazon, Walmart, The Home Depot, Lowe’s, and Ace Hardware. Check for a refurbished Black Decker on Amazon.
DeWALT Angle Grinder Tool, 4-1/2-Inch (DWE402)
Heavy-duty projects like production welding and cutting require a grinder that can keep up, and DeWALT’s DWE402 can handle the job. This burly machine features an 11-amp motor and spins 4.5-inch grinding and cutting wheels at speeds up to 11,000 rpm.
I found the DWE402 to be the ideal grinder for my work, though not everyone will need its power and high-speed capabilities. It cut through angle iron faster than any other grinder, and it made short work of my large, lumpy, amateur-grade welds (though it’s definitely a pro-grade tool, and the speed-boosting button on the handle base helped a lot).
While this is one of the best variable speed angle grinders, neither the DWE402’s vibration control nor its grip got much attention on the drawing board.
- Pro-grade capability
- Very fast and powerful
- High amperage motor for heavy-duty work
Get the DeWALT angle grinder at Amazon, Walmart, and Lowe’s.
With portability and power in mind, the Makita XAG04Z is a great choice for almost any home workshop, though pros may also appreciate this model. And for those who need the best angle grinder for cutting metal and other heavy-duty weld materials, the DeWALT DWE402 has the power and speed to match.
How We Tested the Best Angle Grinders
Sometimes, I have the best job in the world. I’ve had a project on my plate for months now (building a welding cart), and it just so happened to be the ideal project to test these top angle grinders. I used the same set of cutting and grinding wheels for each model to make apples-to-apples comparisons.
I used each grinder to cut through angle iron, switching grinders between each cut until I felt comfortable with the strengths and weaknesses of each model. I recorded myself cutting all the pieces for the welding cart in order to determine how long each cut took and how easy it was to use. After cutting all the pieces, I welded the cart together (rather heavy-handedly, I admit, as it’s been a few years since I last welded).
With those big, burly welds to address, I used each grinder to knock them down to flush. Again, I noted ease of use and handling. In the end, I had all I needed for these honest angle grinder reviews—as well as a cart for my new welder.
Shopping for a Used or Refurbished Angle Grinder
Historically, most people would baulk at the idea of spending good money on a used or second hand tool, but today’s refurbished models are not the dubious equipment found at a neighborhood yard sale. For some time, reputable manufacturers and retailers have been offering refurbished or renewed products like angle grinders alongside new models.
The idea is that when a commercially viable fix is possible, it cuts down on waste—which is always a good thing. It may also offer buyers the opportunity to acquire products that might otherwise be outside their budget.
These should not be tools that have been beaten to death for 364 days and returned on the day the warranty expires. It’s true that often they have been tried by another buyer but will have been returned within a relatively short return window. Other times, they might be tools damaged in transit or in the warehouse.
So are refurbished angle grinders any good? In our opinion, yes. There’s every chance they could represent a real bargain. There are some interesting offers on refurbished or renewed angle grinders at Amazon and Walmart among others. However, care and common sense is needed.
- Specify the type of angle grinder you want first. Look at new models. Then see what you can get on the refurbished market that comes close to those specifications.
- Keep a tight rein on your budget. It’s easy to get carried away. The idea here is to save money, or get better value.
- You should be looking for a substantial cost reduction. If the saving is only saving 10 percent or 15 percent, it might be better to buy new. Make sure you know exactly what is included. Cordless tools often won’t include battery or charger, for example.
- Be sure to check warranty and return periods before you order. Don’t make assumptions, even if you bought from the retailer before.
While refurbished, reconditioned, or renewed tools are often excellent, there’s always a chance it could be a dud. Buy from a reputable source. Check the angle grinder as soon as it arrives so you can get your money back if there’s a problem.
Even with ample background on the best angle grinders, you might have some additional questions. Here, we answer some of the most common queries about angle grinders, so check for the info you need below.
Q: What kind of tasks can I use an angle grinder for?
The most common uses for angle grinders are metal grinding and cutting, such as steel for welding or metal piping. However, they’re also useful for wood carving, refinishing, and other projects. Some farriers even use them to trim hooves.
Q: How does an angle grinder operate?
After attaching the correct disc for the job, hold the angle grinder in two hands for safety and security (the tool’s initial torque will cause it to jump). Push the trigger down or hit the power switch, and the disc will start rotating. Move the grinder until the rotating disc contacts the material you want to cut or grind.
When finished, release the trigger or switch off the power button and wait for the disc to stop rotating completely before placing it in a safe location, keeping in mind that the disc is still hot due to the friction caused during operation. Unplug the power cord or detach the battery and allow the tool to cool down.
Q: How much does an angle grinder cost?
An angle grinder can range in price from just 30 to over 200, though it’s more common for these tools to cost about 80 to 100.
Cutting Wood With Angle Grinder Angle Grinder Wood Blade
Q: How do you cut metal with an angle grinder?
Use a metal cutting disc on an angle grinder to cut through lead, iron, copper, and other metals without a problem. The rotating blade slices easily through metal, but it’s important to wear safety glasses and gloves because a significant amount of sparks are produced during the grinding process.
Q: How do you cut pavers with an angle grinder?
Angle grinder equipped with masonry discs can be used to cut through paving stones without much difficulty. Measure and mark where you want to cut the paver, then position it on a workbench. Turn the grinder on and start to slowly cut into the paving stone. Once you have started the cut it will be easier to accurately finish cutting through the paver.
Q: How are the discs on an angle grinder changed?
First, unplug the grinder or remove the battery. Then remove the nut that holds the disc in place, using the factory spanner included with the angle grinder. Replace the disc and tighten the nut bolt using the factory spanner.
Q: How can I remove the disc with vise grips?
Grinder discs are secured with a specialized nut that is usually tightened or removed with an included spanner. However, if you lose the spanner the nut can still be removed with a set of vise grips. Simply tighten the vice on the grinder blade, locking it in position, then use your hand or a screwdriver to turn and remove the locking nut.
Q: How do you properly recycle an old angle grinder?
Instead of tossing your old angle grinder in the trash, take it to a local electronics recycling location. Typically, the municipality or town will have a program for recycling electronic tools and other devices, though some home improvement stores, like Home Depot, also offer tool recycling programs.