10 Best Angle Grinder Reviews and Buying Guide

Best Angle Grinder

Are you in need of the best metal sheet cutting tool? You should choose the best angle grinder. With the best 4 1/2 angle grinder you should be able to make several cuts for different types of projects.

More importantly, you will save so much time, enjoy a better working touch, and enjoy the best energy efficient too.

So how can you get the best 4 1/2 angle grinder?

Here Are Our 10 Best Best Angle Grinder List for 2021

We give you several reviews of the best angle grinders. Our post is well-researched. We have also compared a number of features and added a buyer’s guide just for you. That’s why you need to read our review.

1. Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder

Makita 9557pb review


  • 4-1/2" grinder
  • 7.5 AMP motor
  • 4.5 pounds
  • AC/DC technology
  • Paddle Switch

For our first best angle grinder review, we have the Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder.

This grinder is awesome. It is very easy to use and it makes your grinding experience one of a kind. Even so, the grinder has so many features that make it tick quite easily. Some of these features include the following:

First, the best angle grinder has a powerful 7.5 AMP motor. The motor is reliable and will provide you with high output power. Such power is vital for the demanding jobs that your grinder will do.

In addition to that, this is an even more compact tool. The tool is easy to keep and will take very limited space.

As a matter of fact, it only weighs 4.5 pounds and comes with a small diameter for its barrel grip. The diameter stands at only 2 to 1/2 inches. Due to that, it maximizes comfort when applied for extended use.

As if that’s not enough, there is the labyrinth construction. This technology is also cool since it seals and also protects the main motor and bearings. It, therefore, protects the bearings from dust and any forms of debris.

This is an easy way of guaranteeing a longer tool life span and better efficiency. The grinder also has an easy to reach the lock on/off feature that enables for continuous operation.

The switch also has the AC/DC technology. This is a great technology for the guys with an alternative power source but who still want to enjoy the best grinder services.


  • Highly reliable for most demanding jobs
  • Easy to use for newbies
  • Safe for use on regular jobs
  • Takes up very limited space
  • Durable with a metallic casing


  • Slightly heavy
DEWALT Angle Grinder


  • 11 Amp motor
  • AC/DC motor
  • 11,000 rpm
  • One-Touch Guard
  • Spindle lock
  • Corded power tool

DEWALT Angle Grinder Tool (DWE402) is also one of the best models when you are looking for the right grinder for your work.

It is very affordable. It is also easy to use and boasts one of the most conspicuous colors for guys who love to light up their workspace.

More importantly, the DEWALT Angle Grinder Tool (DWE402) is very reliable. This best grinder for metal cutting is designed with the perfect combination of high-end plastic and metal alloy.

The grinder also has an 11 Amp AC/DC motor that works best for people with different types of power supplies.

In addition to that, the motor is also powerful enough to guarantee some of the best speeds. It can easily hit 11,000 rpm and even better make your work extremely easy when on tight deadlines too.

While the motor provides the best there is also the spindle lock that makes it easy to change and fit in any type of accessories that you might need.

The tool is also a corded power tool that is easy to use due to its maximum flexibility. As if that’s not enough, there is also the One-Touch Guard for additional safety.


  • Cool color hue for better blending
  • Protects you from inhaling dust
  • Works with both AC and DC power
  • Uses a tool-free technology to replace the disc
  • High-end motor technology


  • Catches dirt easily


Boasts of one of the most conspicuous colors for guys who love to light up their workspace

DEWALT Angle Grinder Tool


  • 4 1/2 angle grinder
  • 11amp Angle Grinder
  • AC/DC motor
  • 11,000 revolutions per minute
  • Cordless angle grinder

The next best 4 1/2 angle grinder that you can also buy is the DEWALT Angle Grinder Tool. This is a 4-1/2-inch angle grinder that will serve you well especially if you love to move around different job sites.

The DEWALT DWE402K 4-1/2" 11amp Angle Grinder like its name suggests, features an 11 Amp motor. The motor is best for providing enough power that will give you the resilience that you need.

More importantly, the motor is an AC/DC motor that gives the best speeds when working. This means that you will be able to save time and also to get the best-personalized work experience too.

On a good day, the DEWALT DWE402K 4-1/2" will hit high speeds of up to 11,000 revolutions per minute. The inbuilt motor is designed for even faster material removal and also for higher overload protection.

Apart from being one of the best cordless angle grinders, one other thing that most users love about this grinder is its dust ejection system. The system is efficient and will provide additional durability.

It is good at ejecting the damaging dust and debris particles, which will enter the grinder through its air intake vents.


  • Faster speed when on heavy work
  • Better control for every welder
  • Doesn’t catch dirt easily
  • Ideal for the longest use
  • Flexible with its cordless touch


  • Needs cutting disc replacement after sometime


Will serve you well especially if you love to move around different job sites



  • Brushless Motor
  • Metallic housing
  • Gearing system
  • Electronic clutch
  • REDLINK PLUS intelligence

Next is the Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare. Milwaukee is a known brand. It is also one of the most reliable designers for different home and industry-based tools. While it has many ideal models for its grinders, this makes the cut among the superior.

Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare is apparently the best angle grinder wheel for cutting metal.

It is highly reliable and comes with some of the best features that any guy will love. For starters, it has the POWERSTATE Brushless Motor. This motor is efficient and delivers maximum power.

The motor has up to 10X longer life. In addition to that, the grinder also has the REDLINK PLUS intelligence. This is a technology that provides optimized performance for anyone who needs the grinder experience.

Nonetheless, it is the electronic clutch and ideal overload protection that makes this grinder really cool. The two systems give you a total system communication that runs between the tool, its battery, and the charger.

The battery is also very powerful. It has a superior pack that suits high performing electronics. It also delivers 2X more run-time due to its capacity.

Finally, durability is guaranteed. The grinder boasts of a high-end metallic housing and gearing system.  It gives the grinder better protection and an increased sense of productivity.


  • Easy to carry around and transport
  • One of the most affordable designs
  • Starts with just a single touch on the button
  • Easy to use on tight and limited spaces
  • Delivers 2X more run-time


  • Won’t work with battery


Most reliable designer for different home and industry-based tools and uses.



  • Best 4 1/2 angle grinder
  • 57 percent additional run time
  • 9, 000 RPMs
  • Paddle-switch design
  • Blade brake
  • Gearcase

There are very many reasons to love the DEWALT brand. One is because it is a versatile and highly reliable brand. Secondly, it has also been around for quite a long time. Even so, we have seen many other models from DEWALT.

These models are among the best 4 1/2 angle grinders. Nonetheless, the choices don’t end there. The DEWALT DCG413B is also another best angle grinder for welding.

The grinder uses DEWALT brushless motor like its sisters above. This is capable of delivering up to 57 percent additional run time over the use of a brushed motor.

The speed of this model is also quite high. The grinder hits a maximum of 9, 000 RPMs on a good day and will make your work easy, fast, and efficient.

In addition to that, there is the blade brake. This is a safety measure that makes it easy to control the speed of the grinder. When the brake is engaged and the paddle switch is released it brings the wheel to a quick stop.

The model also has the paddle-switch design that provides increased comfort and also the required ease-of-use, especially when operating in different positions.

More importantly, the model also has a low-profile gear case that allows easy access into the tightest spaces. It also maximizes the speed of the wheel release and gives this grinder a tool-free wheel removal.


  • Withstands rust and corrosion
  • Easy to clean after use – wipe of dust
  • Doesn’t overheat at all
  • Easy to regulate the speeds when working
  • Additional runtime capacity


  • Shorter cords


The best additional run time over the use of a brushed motor



  • 3 position side handles
  • 4 1/2 angle grinder
  • One-Touch Guard
  • 360-degree rotation
  • Safety lock-off

For the best budget angle grinder, the BLACK+DECKER Angle Grinder Tool will meet several budgets here.

It is a really awesome easy to use grinder that will appeal to many guys out there. The grinder is efficient and makes metal cutting seem really easy.

More importantly, the grinder also has the features of a top-class metal work tool. A good example is the metallic gear case that this grinder comes in.

This metallic casing is easy to handle and maximizes durability too. It extends the life of the grinder and matches it up to the demanding tasks.

Even better, the grinder comes with a 3 position side handle that you can use to control it. The handle is easy to work with and makes your handling of the tool quite comfortable.

More importantly, it has a spindle lock that gives it an easy accessory change. It also doubles up as a safety mechanism that makes it easy for you to use work with this tool without any worries.

The tool is one of the best 4 1/2 angle grinders. It comes with a reliable metal grinding wheel and a spanner wrench that most of these best cheap angle grinders will come with.

Notably, this grinder also has the One-Touch Guard, which offers a 360-degree rotation on its guard in just a single action.

A paddle switch is also included with a safety lock-off so that any accidental starts are minimized.

More importantly, matching wheel flanges are also used to allow the grinder to work with common accessories without any hitch.


  • Non slip safe grip during handling
  • Best dust suction system
  • Best spindle lock system for safety
  • No accidental starts
  • Safe for normal use


  • Somewhat pricey


An easy to use grinder that will appeal to many users especially the newbies



  • 4-1/2-Inch Angle Grinder
  • 6.2 Amp motor
  • Spindle lock
  • Trigger lock
  • Left mounted slide switch

Like BLACK+DECKER, Hitachi is also known for some of the best variable speed angle grinders. It one of the pioneer brands when it comes to both wood and metalwork tools. The Hitachi G12SR4 6.2-Amp 4-1/2-Inch Angle Grinder is one of their best angle grinders for tile cutting.

So, what makes this grinder model to feature in our list of the best 6-inch angle grinders? Here are some pointers.

The grinder features a 6.2 Amp motor. The motor is a brushless and highly powerful motor. It is long-lasting and more importantly quite reliable.

The motor provides 980W of maximum output power that guarantees a high-end efficiency when it comes to the toughest grinding jobs.

Like the model above, this one also features a spindle lock. The spindle lock technology enables this grinder to enjoy a quick and easy disc and accessory change.

As if that’s not enough, there is the trigger lock that guarantees safety and comfort when using the grinder. It also enables easy control during any continuous operation.

In addition to that, this best right angle grinder also has the best overload durability for increased tool life.  

It boasts of a left mounted slide switch that comes with a quick off feature to maximize the safety touch too.

This is one of the grinders in our list that will match up the best dewalt angle grinder toe to toe throughout the job.


  • Best angle grinder
  • Brushless and highly powerful motor
  • High-end efficiency
  • Features a spindle lock
  • Continuous operation


  • No use of laser technology


Best model when it comes to both wood and metalwork tools



  • 11,000 RPM
  • 7.0-Amp motor
  • 3-position side handle
  • Cast metal gear casing
  • Tool-free guard

Just like the best 9-inch angle grinders, this best 4 1/2 angle grinder is also an awesome tool to work with. The tool is light and you can easily hold it for long without feeling any fatigue. Even better, it has some of the best features for your day to day projects.

The PORTER-CABLE Angle Grinder Tool comes with a powerful 7.0-Amp motor. The motor is highly reliable and will give you enough all-round power through any job site task that has a tight timeline to it.

Like the best makita angle grinder, this grinder also offers very high speeds.   You can use it to minimize any downtime and to get your job back on track. At the top speeds, it will easily hit up to 11,000 RPM in the shortest time possible.

The speeds are also good when you are looking for the best high-speed removal of materials. Nonetheless, the people who love this best angle grinder for tile cutting love it because of its durability.

It comes in a cast metal gear casing that increases the job site durability and also the tool longevity.

More precisely, there is the 3-position side handle that also allows you to gain an even greater control when using this best variable speed angle grinder.

The red color that the grinder comes in is also stylish and will blend in well with your styles. Thankfully, you can use its tool-free guard to provide fast and easier guard adjustments.


  • Easy control and use
  • Best overload durability
  • Light and you can easily hold
  • Best side handled design
  • Easy to increase and reduce speed


  • Not ideal for starters


Light in weight and easy to hold for long without feeling any fatigue.



  • Electric angle grinder
  • Dust ejection system
  • Automatic speed change
  • Feedback-sensing technology
  • Brushless motor

Makita is another top-rated brand when it comes to the best workshop tools. It has been around for long and the brand has given some of the best models that money can buy.

For the best cordless angle grinders, Makita has graced our shops with its Makita XAG04T 18V LXT Grinder.

This is one of the best electric angle grinders that you will find today in most power tool shops around.

For the guys who own this tool, most of them understand why this tool is a vital addition. It has one of the most reliable dust ejection systems that provide durability in ejecting the damaging dust and debris.

The grinder also has an automatic speed change technology that allows you to adjust speed and torque when operation.

It is good at giving you optimum performance and has an active feedback-sensing technology (aft). This technology also turns off the motor if you suddenly stop the wheel’s rotation or when the grinder is not in use.

The BL also has a brushless motor that has the capacity to eliminate carbon. It also enables the motor to run in a cooler and more efficient technology.

The brushless motor is also electronically controlled so that it can optimize the battery energy use.

The battery will therefor stay 50% longer and provide over 10,000 RPM for guys who want a speedy job.


  • Fast stop when done using
  • Provide high-end durability
  • Reliable dust ejection systems
  • Automatic speed change
  • Cooler and more efficient


  • Limited colors to choose from


Best electric angle grinders that you will find today for smaller workshops.



  • 9, 600 Rpm
  • 13.5 Amp motor
  • 4.5 pounds
  • Dust port
  • Angle Grinder

Finally, for our best cordless angle grinder review, we have the Metabo - 6" 9, 600 Rpm Angle Grinder. This is a rather new entrant. However, the model has won many hearts with its awesome efficiency.

This best angle grinder for concrete will give you about 9, 600 Rpm for speed. This is cool as it makes your work faster and easier.

The grinder is also supported with a 13.5 Amp motor. The motor is good at powering up the grinder is no time.

It is also ideal at achieving these insane RPMs for someone who wants to get the most out of their design.

As if that’s not enough, this grinder is also very durable. The grinder is designed from a reliable metal casing with additional hard plastics.

This combination lasts longer and will guarantee the best life span for any best 7 inch angle grinder as it would for this best angle grinder for welding.

And like all the models that we have seen, this one also has one of the best dust ports for keeping dust away and leaving you with a healthy lifestyle. It is best for both starters and professional welders.


  • Reliable metal casing
  • Best life span
  • Keeps working area clean
  • Easy to control for longer hours
  • Light and simple in design


  • No LED Lights
  • A limited number of blades


Best angle grinder for concrete will give you about 9, 600 Rpm for speed

Read more Top 10 Best Drill Presses Reviews 2021

Thing to consider before buying the Best Angle Grinder (Buying Guide)

So, let’s say you have decided on the best cordless angle grinder to buy for your needs.  What guarantees do you have that the choice you have made is the right one for you. Well, I give you some of the top considerations when buying an angle grinder. Read on!


The first thing that you have to consider is the price. While the prices may differ, what’s affordable for you may not be affordable for the next person.

It is therefore advisable that you choose an angle grinder that you can easily afford. To ensure that what you are going for is indeed affordable, here is what you must do.

First, have a budget. Then ensure that the angle grinder that you are buying falls within your personal budget.


The motor plays a key role in how your best angle grinder for concrete or metal will work. You need a grinder that can easily cut through whatever it is that you are working on.

More importantly, you need to ensure that the motor power gives you the best reliability and efficiency. Make sure that the motor you choose gives the best power for you.


In case you need to beat tight deadlines with your best 7 inch angle grinder, it is advisable to look for the best speeds. Speeds of about 11000 RPM or more are some of the most reliable ones for a heavy job.

Ensure that your grinder is capable of hitting these top speeds and that you can always save some hours on top of a tight schedule.


There are two ways that the best angle grinder for welding can guarantee absolute flexibility. One of them is through the use of a long cord or by going cordless, whichever the option that you have, going with a grinder that guarantees absolute flexibility is very important.


With a locking system and a guard technology, the safety of anyone that’s using a grinder should be guaranteed. It is therefore very important that you can save your skin and still get the best job done.

Even of importance is the ability of the grinder to work within the limits that you have designed for it and still remain intact.


A work station should be very clean. Ideally, a clean work station offers the smallest chances of accidents as all tools are either visible or well kept. Accidental tripping is minimized and so are the chances of injuries.

So how does a grinder keep your space clean? If you are using the best budget angle grinder, you will have the dust duct. This dust technology enables you to keep your working areas clean as it sucks off any bags of dust and pebbles.


Few people may choose to pay attention to the color of the grinder that they are working with. However, for those people who will, color is a very powerful consideration. They will require a color that blends in with their favorite design or ideally their favorite color.

The best cheap angle grinders with top colors will still make some of the best tools for homes with learners. Since they are simple, they are easy to work with and also to learn.

Addition Tips When Using the Best Variable Speed Angle Grinder

Apart from what we have seen, it is also very important that you understand other additional tips when choosing the best angle grinder for tile cutting. Some of the things that you should keep in mind include.

Speed Control

Speed control in your best 6 inch angle grinder determines when you need to beat deadlines and when you need to take your time. It is also the difference between having a top-notch job and possibly missing out on the best finish,

It is therefore very ideal that you learn how to control the speed of your best angle grinder. To control the speed, you will find a press-in button around the grinder’s handle. The more you press in the handle the faster your grinder will go.

Nonetheless, you can press the button lightly so as to maintain a steady and standard speed. That’s how simple controlling the grinder is.

Safety Features

Another thing that’s important to note of in the best 9 inch angle grinder or any other grinder for that matter is the safety features. I must say that when using the best right-angle grinder understanding where the safety features are will prevent any form of injuries. Here is what to look for.

  • Braking technology
  • One-touch guard
  • Spindle lock technology
  • Non-slip handlers

Care of the Best Electric Angle Grinder

When it comes to the care and maintenance of a grinder, it doesn’t really matter which type of grinder you have. From the best dewalt angle grinder to the best makita angle grinder, the care tips remain the same.

Always Use the Manual

Following the user manual, your best 4 1/2 angle grinder will determine how best it operates. It will also determine how long it lasts. More importantly, it will give you the best pointers on how to work with the best cordless angle grinder.

In case you have a grinder that doesn’t have the user manual, I suggest looking for another model that has.

Follow the Warranty

The best angle grinder for concrete or any other use is ideally an investment. Because of this, you want to ensure that you don’t go around opening it up when it breaks. Doing so can damage it further. The best thing to do is to use the warranty and get it fixed.

If the warranty of your best 7-inch angle grinder is done, you can always opt to ship it back to the manufacturer for repair at a substantiated cost.

Clean Your Grinder

After using the best angle grinder for welding, you need to clean the grinder. You shouldn’t wash it. However, you can always take a rag and clean out the dust. This is a way of keeping your grinder looking best and new.

Proper Storage

Finally, you must also ensure that you store your best budget angle grinder in the best way. Grinders have the carrier bags that you can use to store them. However, you must make sure that your grinder is on the safe mode before you leave it unattended.


Having the best cheap angle grinder is not bad. The most important thing is for your grinder to have the best variable speeds that meet the needs of a top-rated angle grinder. More importantly, it should also offer you better durability and ease of operation.

With the best control, you will find it easy to do your work, make your metallic cuts and have the best designs for your projects. A good example of the best tool to use is the best angle grinder for tile cutting, which enables you to cut both metal and tiles too.

Even so, you should take proper care of your best right-angle grinder, dust it, unplug it when not in use, and store it properly.