Best 4.5 inch Angle Grinder

DEWALT Angle Grinder Tool Paddle Switch 4-5-Inch
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Best 4.5 Inch Angle Grinder

The 4.5 inch angle grinders are typically mid-size, lightweight and affordable for the home owner or occasional user. ​For those who need help deciding which is best to meet their needs, this blog post will discuss some of the most popular models on the market today. The article will provide you with a comparison chart so that you can compare features such as power, metal cutting capacity, weight and more! Be sure to read on to find out more about our favorite picks for best 4.5 inch angle grinder!​

They are amazing versatile tools that can be used to grind and polish different types of metal. It can be used to cut tile, wood, concrete, and it can even be used to polish, sand, and sharpen.

There are a lot of grinders available in the market and comes in different models, corded angle grinders, cordless angle grinder. So finding the best one is a bit difficult. It doesn’t matter whether you are buying it for chore or professional work but it has to be good, and majorly it should serve the purpose of work.

Buying a relatively cheap grinder won’t be a fruitful idea and it also be a complete waste of money. So if required, you should stretch your budget more to get the best possible tool.

Most of the commonly used angle grinders have a 4.5″ wheel size which is ideal and should be perfect for most people.

Below, you can find some of the Best 4.5 inch Angle Grinder which is widely popular, used by professionals, and should be good enough for your needs. All angle grinders in this list have been considered after looking at the power source, compact size, disc size or wheel size, affordability, power, maximum speed, motor life, and safety features.

Top 5 Best 4 1/2 Inch Angle Grinder

DWE402 is one of the most popular and the one of the Best 4-1/2-inch grinder, as of now. It has one of the best build quality and comes with all the basic and premium features.

Also, the DEWALT DWE402 is one of the most powerful 4.5″ wheel size angle grinder out there. The Dewalt DWE402 contains a very powerful motor that runs at 11 amp.

This angle grinder comes with a dust ejection system feature which will remove all the dust and provides more efficiency and durability. It is a 12″ long angle grinder and it includes a wrench, one-touch guard, and 2 position side handle.

Apart from that, the DEWALT DWE402 angle grinder has a good reputation in the professional market which has been build over the years.

This DEWALT grinders comes in various different models but the previous models had some issues due to which we would not advise you to buy an old version of the same angle grinder.

The DEWALT DWE402 will stand high to your expectations and will be meet your requirements as well. This has a good design and the build quality is awesome. The extra torque in this small tool will definitely surprise you.

The DEWALT DWE402 angle grinder weighs around 6.2 pounds and it has a 12″ inch long handle to hold.

Overall, a good product from DEWALT. It is a heavy-duty 4.5″ angle grinder that can be used for various purposes.

Features :

Dewalt Angle Grinder Tool Paddle Switch 4-5-Inch
DEWALT Angle Grinder Tool Paddle Switch 4-5-Inch
Pros Cons
It is very durable
It does not come with standard cable option
It comes with ergonomic design
Large spiral bevel gear which provides long transmission life
It come with One-Touch Guard which allow 360 degree rotation of the guard with a single touch
It comes with Newly designed side handle

Metabo is a popular tool brand. The Metabo WP9-115 is surprisingly also one of the Best 4 1/2 Angle Grinder. It is a balanced angle grinder that has power as well as other features.

The Metabo WP9-115 motor uses 13.5 Amp/1550 Watt and it runs on 9600 RPM. This angle grinder has 50% extra power and torque than the other grinder in this budget. It can also handle 20 overload capacity as it has overload protection as well.

If you are a beginner and looking for an angle grinder to use at home then this one is the Best 4 1/2 Angle Grinder, as it also has a soft start feature that will prevent pre-cut positioning.

The Metabo grinder has been designed while keeping the airflow in mind, so it has superior airflow, which helps to remove the excessive heat. Apart from that, it also comes with the S-automatic safety slip which will help in preventing the kickback during the event of a jam.

Overall, it is a good and powerful angle grinder and Best 4 1/2 Angle Grinder, especially for beginners. It is a heavy-duty angle grinder while keeping safety in mind.

Metabo - 4.5 Inch Angle Grinder - 10500 Rpm - 8.5 Amp
Metabo - 4.5 inch Angle Grinder - 10500 Rpm - 8.5 Amp

Features :

Pros Cons
It comes with a premium design.
It is a little bit expensive.
It is Professional Angle Grinders.
10, 500 RPM motor of angle grinder provides the best power to weight.
It comes with Manual, Hybrid and fully automated assembly systems

Bosch is a popular tool and equipment brand. Bosch provides end-to-end technology and tool solutions. The GWS 10-45P 4-1/2 inch angle grinder is an amazing angle grinder from Bosch. It comes with plenty of premium features along with all the basic features.

The Bosch GWS 10-45P is a powerful angle grinder and the build quality is superior. It has a beautiful design. And this angle grinder comes with a lock-on slide switch.

The motor of this angle grinder runs on 6 Amp. and when it comes to the RPM then it produces 11,000 RPM on average can handle heavy-duty jobs.

. The Bosch angle grinder also uses 2 position side handle.

The Bosch GWS 10-45P weighs around 3.75 lbs and it is one of the most lightweight angle grinders. The angle grinder is equipped with epoxy-coated field windings which are helpful when you use it for a long time.

The Bosch GWS has service minder brushes that help in stopping the grinder while it requires maintenance.

Overall, this angle grinder is good for light usage and is not meant for overload.

Bosch Gws10-45P 4 1-2 Inch
Bosch GWS10-45P 4 1-2 inch

Features :

Pros Cons
‎Plastic Polymer Construction body.
It doesn't comes with batteries in box.
It is very durable.
It is very louder angle grinder.
It comes with powerful motors.
It can be used everywhere.

CRAFTSMAN CMEG100 angle grinder is ideal for DIYers. This angle grinder will help you to use it efficiently and quickly. This is a small angle grinder that comes with a 4.5″ wheel or disc. This angle grinder is a good deal because of the high performance it provides.

This Angle Grinder has a 12,000 RPM powerful motor which consumes around 6 AMPs of power. The CRAFTSMAN angle grinder has a tool-free guard which makes it easy to use and adjust.

You can adjust the angle grinder however you want, depending upon the task you are performing. This also has a spindle lock which will help you to change the disk or wheel very easily. This is one of the best machines for lightweight usage.

The CRAFTSMAN angle grinder comes with 3 position handle which will help you to control it during different applications. The handle is quite comfortable to hold and it does not cause any kind of burns or injury after long use of the machine.

Overall, the CRAFTSMAN is a lightweight and easy-to-use machine for DIY tasks or light usage.

Features :

Craftsman Small Angle Grinder Tool 4-1-2-Inch 6-Amp-Cmeg100
CRAFTSMAN Small Angle Grinder Tool 4-1-2-Inch 6-Amp-CMEG100
Pros Cons
This grinder comes at affordable price.
This is not for heavy workload.
It is very light weight.
It is very easy to carry anywhere.
It comes with 3 years limited warranty.

Galax Pro is one of the most affordable and the Best 4 1/2 Angle Grinder. This angle grinder makes the competition interesting among the 4.5″ angle grinders. The Galax Pro 6A angle grinder comes with various attachments or accessories out of the box.

The Angle grinder has great power and speed. This is one of the most affordable angle grinders on this list and comes with the great build quality.

The Galax Pro 6A angle grinder runs on a 12,000 RPM speed and does a fine job. It has a narrow build and it is quite light in weight.

If you hold it for too long then you won’t have any issues like skin burn, or such issues as it comes with an ergonomic handle.

Overall, it is a good product if you want a 4.5″ angle grinder which is light in weight and comes with an ergonomic design. At the same time offers all the features such as good speed and high power.

Features :

Pros Cons
This is specially designed for heavy work.
Bit expensive
It is lightweight.
It is very easy to carry.
It comes with 2 year warranty.
Galax Pro 4-1-2 Angle Grinder
Galax Pro 4-1-2 Angle Grinder

Frequently Asked Questions

How can you stop an angle grinder kickback?

An angle grinder kickback can:

  • cut the skin
  • make your eye injured
  • can injure your head
  • can injure your foot
  • and can make a major injury impact on your body.


To stop the angle grinder kickback, you have to:

  • use the right wheel or disc.
  • don’t use broken, worn, rusted, or damaged attachments
  • use it at the right speed
  • wear PPE kit including eye, head, foot, and hand protection.
  • This way, you can stop and angle grinder kickback.

Why do angle grinder kickback?

An angle grinder kicks back when it grabs jams on the material while cutting. This more usually happens when you use the wrong disc or wheel. And it can even happen if you are running at the wrong speed.

You should watch some angle grinder tutorials or don’t use it if you don’t know the right wheel or right speed.

How to prevent an angle grinder accident?

To prevent any kind of accident with an angle grinder, you have to make sure that the angle grinder must have antikickback, a safety clutch, and a braking system that helps to stop the wheel quickly.

Apart from that, you should not use damaged or broken attachments. Also, don’t use the angle grinder when the safety guard is not attached.

What is the Best Angle Grinder?

DEWALT DWE402 4-1/2-Inch Angle Grinder The best bang for your buck 4-1/2 inch angle grinder on the market that has stood the test of time.

What is the WP9-115 Grinder?

It’s a 4-1/2 angle grinder ideal for material removal, polishing, and even cutting through tile, metal or concrete, provided you’re using the appropriate discs.

Is the WP9-115 Worth It?

This simply is one of the best angle grinders available and after wielding the WP9-115 for the first time, you’ll no doubt be left with the same lasting experience.

What are the benefits of using a WP9-115 motor?

This is basically a safety slip clutch which improves operational control and reduces the risk of kickback.

What is the Dewalt DWE402 Angle Grinder?

The DWE402 is equipped with a ferocious motor and is also a super lightweight grinder, so navigating this little corded yellow & black beast is a breeze.

What are the benefits of using a Dewalt DWE402?

While it’s not the cheapest 4-1/2-inch angle grinder on the market, the value you’re getting and the dependability that Dewalt constantly delivers with their tool range is simply priceless.

What is the DWE402's power output?

The Dewalt DWE402 runs relatively smoothly when compared to other 4-1/2 inch grinders, and you’d honestly have no idea that Dewalt’s hulking 11 amp motor generated 1,400 watts while in-hand.

What is the Bosch GWS 10-45P?

Along with the high standard of quality that’s synonymous with Bosch, you can also enjoy a very well-balanced angle grinder that produces minimal vibrations under load.

What is the Best Angle Grinder for Budget-constrained Users?

If you’re budget-constrained and you’re in the market for something more affordable, then the CRAFTSMAN CMEG100 4-1/2-Inch Angle Grinder might be a better fit for you.

What are the different types of tools?

You’ll find both corded and cordless angle grinders; as a general rule, the corded versions are a little more powerful, but require you to remain tethered to an electrical outlet.


All these grinders are great for the money, and you would have a hard time going wrong with any of them. I highly recommend buying one that has all of the features you want in it, but if your budget is tight then go with whichever option has the most important features to you. Remember to buy safety gear while using this tool so that no accidents happen!

The 5 best 4 1/2 inch angle grinders are the Metabo WP9-115, DEWALT DWE402, Bosch GWS 10-45P, Craftsman CMEG100, Galax Pro 6A. They all have features that make them stand out from one another such as being lightweight or having a long cord so you can easily reach more places with it. All of these has their own pros and cons but which is your favorite? Let us know in the comments below!

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