13 Best 4 1 2 Angle Grinders for Tough Materials in 2021

Equipping yourself with the necessary tools makes your work easier. There are so many tools that you need to have in your home garage making it easy to handle DIY projects and other repairs at home.

4-1/2 inch angle grinders are among the most important tools that you should have if you want to make grinding, cutting and polishing a simple task. In this article, you are going to learn more information about angle grinders and how to select the best 4 2 1 angle grinder.

Just like any other power tool, you will come across; 4-1/2 angle grinders also come in different options and features.  The guide covers important things that you need to learn before making a purchase. It also covers some reviews of top-rated 4 1/2 angle grinders that are available.

Best 4 1 2 Angle Grinders Reviews

Whether you are buying a 4-1/2inch angle grinder for the first time or upgrading your already existing tool, there are options to suit your needs.

The following are some top-rated 4.5 inch angle grinder reviews that you can have a look at so that it will be easy to make a comparison between different features of every individual product.

1. Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2″ Grinder

Hiring a 4 ½ inch angle grinder can be expensive in the long run as compared to buying your personal tool. There are quite some things that you can perform with an angle grinder.

The good news is that angle grinders are not so expensive especially a known model like the Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2″ grinder.

This machine comes with all the amazing features you would love to see in an angle grinder. I have this angle grinder, and all I can say about it is that is the best machine I have ever used in my workshop.

High Motor Power

The most important things that you should check when you are buying an angle grinder is the power of the motor. The machine comes with a 7000 rpm motor that offers the needed power for grinding and cutting jobs.

2-position Side Handle

The handle of this 4.5 inch angle grinder is made in a way that the user gains effective control and comfort at work. You can handle a variety of tasks for a long time without experiencing fatigue.

Tool-Free Guard

This is also another crucial feature of this angle grinder. It allows an easy and quick guard adjustment for a smooth performance when you are using this angle grinder.

2. DEWALT DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder

The DEWALT DWE402 4-1/2″ 11-amp paddle switch angle grinder is a nice model for grinding work which provides the best power and output comparable to weight-size ratio available (1.8HP).

It has a uniquely designed with Dust Ejection System that enhances durability through ejecting dangerous dust and debris particles which may enter and damage the tool.

The machine also has oversized brushes which provide 2X brush life unlike in the previous model (D28402) and the bigger spiral bevel gear which offers long last transmission life.

This grinder also provides a single-Touch guard which allows an all-around turn of the guard in a single action. As you can see the tool is sufficiently modified to suit your demands on a wider span.

Dust Ejection System

This model of Grinder is made of a special Dust Ejection System, which plays a very critical role in protecting the equipment. It does so by simply ejecting away damaging dust and debris particles that enter the tool.

One Tough Guard

The single tough guarding system design is smart in a manner that it can turn through 360-degres in a single action. This feature makes the tool very flexible and efficient to use. This total rotation guard mechanism also grants the maximum user protection when using the tool.

The Quick Change Mechanism

With this type metal cutting grinder, a wheel release mechanism is incorporated to enhance a quick and easy tool free wheel removal for efficient maintenance and repair or even to do any necessary replacement.

Paddle Switch with Safety Lock

It is uniquely designed with a special paddle switch with the safety lock to ensure that any impending accident cases from occurring.

This feature enables you to make use of safety lock whenever you predict an impending accident. I, therefore, assure you that safety of this model of the driller is well taken into consideration.

Other Features

The Grinder is bagless, and also, more importantly, the device is light in weighing hence highly portable.

3. Bosch 1375A 4-1/2 in. 6 Amp Small Angle Grinder

Tools are very necessary items that we should keep in our homes. Sometimes you are faced with different home repair tasks and at one point or another, you will need the help of important tools such as angle grinders and the rest.

Purchasing an angle grinder is not as easy as you think. You might end up navigating from one site to the other in vain.

But if you adhere to the information, you can be sure of getting the best 4 1 2 angle grinders. A highly rated angle grinder like the Bosch 1375A 4-1/2 in. small angle grinder is among the best products on the market that you should think of buying

6 Amp Motor

This is a powerful angle grinder that you can depend on for carrying out different types of jobs at home. The machine operates at a speed of 11,000 rpm making it easy to complete your job in less time.

2-position Auxiliary Handle

The handle of this angle grinder is specifically designed to provide the user with a good grip when you are using the machine. You can get the desired comfort and control to perform your work in the best way possible.

Sealed Switch

When you are using an angle grinder, there is a high probability of dust or debris particles entering the inner parts of the machine. These particles end up affecting the longevity of the machine.

To prevent this from happening, this tool is designed with an effective seal that prevents that debris from getting inside the machine hence prolonging the life span of the angle grinder.

Service Minder Brusher

When you are using this angle grinder, you do not have to do any guesswork. It is easy to stop the machine from operation when you need to do some maintenance to boost its functionality.

4. Black & Decker BDEG400 6-Amp Angle Grinder

In the world of making angle grinders, Black & Decker is among the top brands that you can trust for quality tools.

The Black & Decker BDEG400 4-1/2-inch Angle Grinder is one of their best products that most customers appreciate because of its high functionality and ease of use.

This angle grinder beats many models in the market, and it also comes with wonderful features that make your work easier.


With this 4.5 inch angle grinder, there are so many functions that you can do. Whether you want to use it for sharpening, cutting, rust removal or grinding, it will impress you with the results.

3-Position Side Handle

Angle grinders are tools that should provide you with comfort when you are using them to get the best results. This is why this machine comes with a comfortable handle that offers the required comfort level and control for easy use on different materials.

Powerful Motor

The tool is equipped with a strong motor that ensures that you perform your work to perfection. On top of that, it operates at a speed of 10,000 rpm for quick results.

Spindle Lock

The spindle lock feature included on this angle grinder makes it easy to change the accessories without the need of other additional tools.

5. Makita 9557PBX1 4-1/2-Inch Angle Grinder with Aluminum Case

Your purchase of the Makita 9557PBX1 includes 4 grinding wheels and 1 General Purpose Turbo Rim Diamond Blade, and an aluminum case to put everything in. But what’s really notable about this grinder is that it’s extremely well made for DIY jobs, and it’s designed to last for a very long time.

Strong Motor

Unlike other 4-1/2 inch grinders with rather mediocre power, this one offers 7.5 amps of power. What’s more, there’s even an AC/DC switch so you can use alternative power sources.

Support Handle

The handle of this device is easy to remove, and you can attach it to any side of the machine for easy and comfortable operation. Both left-hand and right-hand users can operate this power tool conveniently.

Comfortable Use

This model very compact and lightweight at only 4.5 pounds so it doesn’t become tiring to use. Also, the barrel grip comes with a small 2.5-inch diameter that makes it more comfortable to grasp.

The paddle switch is also larger than usual for ease of use. There’s also a lock-on/off feature so you can operate it continuously.

Excellent Durability

With the Labyrinth construction, the motor is protected and sealed against debris and dust. The protective varnish also keeps the dust and debris from the armature.

The all-ball bearing design and metal gear housing help with longevity, and the thicker coil wires are closely wound to minimize the energy and heat loss.

6. DEWALT DWE4011 4-1/2-Inch Small Angle Grinder

When you are buying any power tool, it is important if you spend your time effectively on research to ensure you land on a perfect product that will help you do your work to perfection.

Purchasing a4-1/2 inch angle grinder is not a simple task. The number of brands available on the market will easily confuse you, and you might end up with any product.

I’m here to assist you to get the best 4 ½ inch angle grinder that you will also love using. The DEWALT DWE4011 4-1/2-inch small angle grinder is an adorable machine that works as advertised.

Ergonomic Design

The slim body and the ergonomic design of this four and half inch angle grinder provide maximum comfort even when you are using the machine for an extended period.

Low Profile Design

The low profile design of this angle grinder makes it easy to fit even in the tightest spaces. Again, it has a jam-pot gear case that increases the durability of the machine.

Motor Power and Speed

This angle grinder comes with a 7.0 amp motor power and a speed of 12,000 rpm to offer you with a faster material removal.

Quick-Change Wheel Release

The main purpose of this feature in this tool is to provide a tool-free removal without the need of having a wrench.

7. PORTER-CABLE PCC761B 20V MAX 4-1/2-Inch Angle Grinder Tool

I have experience when it comes to angle grinders because I have a workshop, and I have worked with quite of angle grinder brands.

A powerful angle grinder that you can think of purchasing is the PORTER CABLE PCC761B 20-volt MAX Lithium Grinder.

This can tool can be used in a variety of applications such as cutting, finishing and removing materials. The tool is packed with many wonderful features that simplify your work.

Cast Metal Gear Housing

The construction of this angle grinder makes it easy to dissipate heat when you are using the machine for an extended period.

Strong Motor

The high-performance motor in this machine provides 8500 rpm making the machine ideal for aggressive cutting among other functions like finishing and removal.

Comfortable Handle

The handle of this angle grinder is contoured and overmolded to provide the user with comfort. You can use this angle grinder for several experiencing fatigue.

3-Position Side Handle

It is easy to adjust the handle in a variety of directions to achieve the desired comfort. This provides you with effective control on multiple positions.

8. SKIL 9296-01 7.5-Amp 4-1/2-Inch Paddle Switch Angle Grinder

Some of the most essential tools that you should think of buying is an angle grinder. The versatility of the tool makes your work easier when you are handling different applications.

The SKIL 9296-01 4-1/2-Inch Angle Grinder is among the highly rated angle grinders that are available on the market today.

This is an excellent tool for any person with a workshop or a homeowner who loves doing do-it-yourself jobs.

Motor Power

The power of the motor determines how effective an angle grinder will perform. This model comes with a 7.5 A motor, which is plenty of power to do even the most difficult tasks.

Vibration Reducing Handle

The handle of this 4-1/2” angle grinder is designed to provide the user with comfort when you are working. This handle is also designed with wrench storage and an outstanding design to reduce fatigue.

Durable Construction

Everybody looks forward to an angle grinder that will last for many years. This is possible with this Skill grinder. It has a heavy duty metal gear housing to add ruggedness and durability.

Tool-less Guard Adjustment

When you need to make the necessary adjustments to increase the versatility of the tool, you do not need any tool to do that. This machine offers a tool-less guard adjustment which makes your work relatively easy.

9. PORTER-CABLE PC60TAG 6.0-Amp 4-1/2-Inch Angle Grinder

This is a well-designed type of grinder constituting of a high-rated motor whose speed is 8,500 rpm for thorough cutting, finishing, and much more.

The grinder also has a strongly modified cast metal gear housing which assists in dissipating heat when the machine is used for a long time and a spindle lock –type that permits quick and easy wheel changes.

The wheel diameter of the Grinder is approximate: 4 and 1/2 inch.

In addition to these features, the Grinding-machine has smartly designed handle that is contoured and over-molded for optimally added comfort.

Powerful Part of the 20V MAX System

This portable cable Angle Grinder is made of great Power Performance of the system of tools and components. This setup is powered by a powerful motor that provides a platform that delivers high performance and ease of using the machine to meet the needs of the market

High Performing Motor Produces 11,000 rpm

The portable cable angle grinder has a good design with a highly rated performing motor which runs at a speed of 11,000 revolutions per minute. The motor produces the optimum speed required for efficient machine operation which in turn gives the maximum output.

Spindle Lock for Quick and Ease Wheel Change

This great model of a portable grinding machine is designed so well that in its construction, there is a flexible spindle locking system which allows only a single wrench bit change at a time.

Strong Metal Gear Housing

This model of the angle grinding machine has a robust construction that is made up of sturdy metal gear casing. This feature enables the device to any abrasive effect or from mechanical damage and also prevents the tool from overheating during long working hours.

10. Makita GA4530X 4-1/2-Inch Angle Grinder with Grinding Wheels

This Makita 4 1/2 inch angle grinder emerges one of the most powerful motors rated at 6.0 ampere that delivers 11,000 rpm for the most crucial roles. The Grinder has a Small circumference barrel grip of about 2 and 1/4 inch for the increased comfort.

The grinder has a Labyrinth construction design that covers and protects the motor and bearings from dust particles and debris. The refined design is much portable to favor the handling of the user.

Plenty of Comfort

The GA4530 design weighs less and has a small diameter barrel grip to add more comfort to the tool.

Its gear casing design which can be positioned at every 90 degrees for a range of cutting tasks, and the smooth side handle which is easily fixed on both sides of the Grinder for the convenience of the user.

6 Amp Power and Delivers 11,000 rpm

The GA4530 is powered by a motor rated at the 6-ampere motor that delivers at a speed of 11,000 rpm for the most crucial operations. The machine-operated bevel gears are designed to last for long. This motor supplies enough power required by the entire set up.

Metal Gear Housing

Makita products are constructed with a robust and strong metal gear housing that protects the tool against mechanical damage and contributes to the durability of the product. This feature enables this product to serve longer.

11. Drillmaster 120 volt Electric 4-1/2″ Angle Grinder

The 4-1/2″ Angle Grinder is an 11,000 rpm (revolutions per minute) for faster stock removal and has a 4.2 ampere motor with ball bearing mount.

It is also made up of the easily replaceable carbon brush Aluminum gear casing Spindle lock for quick and easier wheel change Removable side handle.

The Grinding wheel for this model is sold independently at an affordable price and therefore you can get one for your use is readily available on our market.


The 4-1/2″ Angle Grinder comes with its extra attachments which include a grinding wheel that is easily removable.


This Grinder is the most portable angle grinding metal cutter. This feature makes the product to be easily carried around for mobile tasks. It also grants the user total control over the tool.

4.2-Ampere Motor with Ball Bearing

The grinding tool is well equipped with a powerful motor with ball bearing mount supplying up to 4.2-ampere rating which is sufficient to support the entire component operation of the grinder. The motor provides enough voltage required to cut different nature of surfaces.

Removable Side Handle

The design of this model of grinding machine has well modifications where an easily removable side handle is coupled to its body structure. This feature enables the user to comfortably replace and service the wheel when the need arises.

12. Makita 9564CV 4-1/2 Inch Angle Grinder

If you are looking for an increased output power in a more compact tool, then you have found the right angle grinder with this Makita, 9564CV model. It is suitable hand grinder due to its several advantages.

Super Joint System

The Makita 9564CV 4 ½ Inch angle grinder features a super joint system that helps to prevent gear damage. The system works well with my Makita grinder, and I can recommend that you go and purchase one for your use.

Electronic Meter

You all know the motor of this angle grinder runs at a very high speed which can be sometimes disastrous. Therefore, to eliminate this change, this angle grinder features an electronic limiter which stops the motor and reduces accidental motor overload and burnout.

Easy to Handle

This power tool can give the result that you are looking for in half the time that other grinders will give. You are going to find that once you own this angle grinder, you are going to know how you have lived without it.

Powerful Motor

This tool also features a powerful motor that allows for high speed and an extreme efficiency & gives the device a high performance. You need to consider buying this angle grinder and have your work efficient and finish doing it in time.

13. Kawasaki 841428 4-1/2-Inch VS Angle 7.5-Amp Grinder

If you are looking for a powerful angle grinder for handling relatively tough jobs, Kawasaki has the right solution for you.

They have one of the strongest angle grinders on the market that work well to help you do your job excellently. Get the Kawasaki 841428 4-1/2-Inch grinder and enjoy the wide array of benefits that comes with this grinding tool.

My experience with this angle grinder is worth sharing with you. Here are some of the top things that I still appreciate with this angle grinder.

7.5 Amp Motor

As compared to most of the angle grinders that are available on the market, this machine comes with a powerful motor to help you handle tough jobs with ease.

Comfortable Handle

The handle of this tool is comfortable to grip hence reducing fatigue even when you are using the angle grinder for a long time.

Spindle Lock

If you want to change the wheels with ease, the spindle lock is designed to allow you do that without experiencing any difficulty.

Other Accessories

Other things are included when you are purchasing this angle grinder. It comes with a grinding wheel and a wrench.

Best 4-1/2 Inch Angle Grinders Buying Guide

Before buying any angle grinder, it is recommendable if you go through the following points that will help you make a smart purchase. Once you have incorporated these factors, you can be that you are going to make a wise purchase.

Types of Angle Grinders

Just like other products on the market, 4-1/2 angle grinders also come in different types. The most important thing that you should do is to determine your needs and requirement, and then look for a grinder that will meet your needs.

Angle grinders come in three different types. You can get electric angle grinders, cordless angle grinders, and pneumatic angle grinders. The right pick will vary from one buyer to the other.

Motor Power

Before you spend your money purchasing a grinder, consider the motor power of the tool. The power ratings vary from 4 to 15 amps.

If you want to subject your grinder in heavy duty applications, it is important if you purchase a tool with a higher motor power to achieve the best performance and efficiency.


The most crucial thing that you should pay attention to when determining the comfort of a grinder is the barrel. Consider the barrel size to find out if it will be comfortable to hold. A lightweight grinder is also easy to use especially if you are holding it for a long time.

Dust Management

When you are using a grinder, expect a lot of dust. Dust particles and debris might end up damaging the inner parts of the machine. Therefore, choose a grinder with an effective dust management system so that you can enhance the durability of your machine.

Safety Features

This is an important characteristic that is normally overlooked by buyers. Nobody wants to cut their finger or other types of injuries when you are using a machine. Always ensure that the machine you choose comes with safety features to keep you protected when you are working.

Disc Size

The sizes of discs vary from one angle grinder to the other. You can get the discs in different sizes such as 4 1/2 inches to 9 inches. It is worth noting that the larger the size of the disc, the more the power.

Additional Considerations

  • Presence of a disc guard
  • Does the grinder have a spindle lock?
  • Consider presence of side handles
  • Consider the speed of the disc
  • The cost and brand of the angle grinder
  • Angle grinder warranty information

Final Words

There are so many different types of 4-1/2 angle grinders that are available online and in local shops. The main aim of buying a 4-1/2 inch angle grinder should be determined by the purpose you want to use it.

Once you have absorbed all the necessary points that you need to know before making your purchase, it is no doubt that you are going to get the best product. Our reviews cover best 4-1/2 angle grinders that have been tested for durability, performance, and ease of use.

Feel free to pick any brand or model that makes you happy and meets your needs. The best thing is that angle grinders are designed to handle more than one task.

This means that a single machine can be subjected to different applications such as cutting, sanding, grinding and material removal among others.

The grinders mentioned above also come at pocket-friendly prices, and different price options are depending on the brand. You can be sure that there is a 4 1 2 angle grinder that will meet the budget requirements of every individual.

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