The 8 Best 4 1/2 Angle Grinder Reviews of 2022

Polishing materials or cutting mild metals might seem okay with a wire brush or hacksaw respectively but, have you ever tried with a 4 1/2 angle grinder? Well, this handheld power tool should be your ultimate goal. It slays the tasks a lot easier, better, and more importantly, faster.

A high-end angle grinder is designed for versatile applications including cutting, polishing, grinding, sharpening, and all. Having said that, finding the best 4 1/2 angle grinder is a tough challenge since all the grinders in the market are promised to conquer all tougher materials.

Therefore, you need to find out which one will get you covered truly. The constant need for angle grinders, however, has led the manufacturers to create angle grinders with more upgraded versions. To surprise you, we have come up with the 8 best ones. Look!

The Best 4 1/2 Angle Grinder Reviews

Angle grinders are now not only used by professionals. For their numerous convincing features, properties, safety guards, and all, many beginners also use them. Nonetheless, the 4 1/2 angle grinders are mostly meant for the average DIYers out there. So, check, our picked models might help you with that.

1. Metabo HPT Angle Grinder | 4-1/2-Inch (G12SR4)

If you are looking for the best budget 4 1/2 angle grinder, the Metabo G12SR4 might be the one. The brand is literally offering a high-end product including essential attachments at a reasonable price. It is a corded yet compact power tool. For professional use, this tool will certainly slay.

This quality angle grinder is equipped with a 6.2 Amp motor. It delivers an output power of up to 980W. Thus, for abusive use and tough cutting of metal and other materials, this 4.5-inch power tool is simply awesome.

Moreover, the angle grinder includes five grinding discs giving you opportunities for versatile tasks. It also arrives with a spindle lock that has made changing discs easier. Once again, the grinder is featured with a side handle that removable and forward-canted.

Thus, left-handed people out there, your luck is on. Also, this angle grinder is featured with a slide switch. The switch is left-mounted and it adds safety. To talk more about ergonomics, the tool has a smaller grip.

It ensures a fatigue-free uninterrupted running of the tool. Overall, with all the key features and other designs, the Metabo G12SR4 angle grinder is ready to use right out of the box.

Top Features:

• Lightweight, compact, and powerful.
• Featured with highly practical components.
• Includes discs, spindle lock, and container.
• Labyrinth design increases durability, protecting from dust.

2. BLACK+DECKER Angle Grinder Tool, 4-1/2-Inch (BDEG400)

After Metabo, the Black & Decker is making the place for the best 4 1/2 angle grinder. Till now, the brand has introduced many collections. Its BDEG400 model however is the best angle grinder for your home remodeling tasks. It also comes with a great price value in terms of its durability.

The tool is designed for DIYers who are looking for a convenient angle grinder. Though the tool is not made for heavy-duty jobs, surely you can use it for metal cutting. It possesses a 6 Amp motor which is a great power source.

Moreover, it comes with some of the excellent user-friendly features. The narrow body of the grinder holds a 3-position side handle. The handle ensures maximum convenience and stability to the grip. This feature also affects the versatile handle placement options to have a better finish.

This 4 1/2 inch angle grinder also includes a spindle lock. Therefore, swapping out discs is faster. Besides, the tool is built with a one-touch release press or switch. The switch is convenient for faster power down.

Overall, to have a better sharpening, grinding, and cutting experience, the Black + Decker BDEG400 angle grinder is a worthy one.

Top Features:

• Compact and comes in a narrow shape.
• Includes a metal gear case.
• Speedy with an RPM of 10000.
• Arrives with a spanner wrench and grinding disc.

3. Bosch 4-1/2-Inch Angle Grinder 1375A

Among all the popular brands for angle grinders, Bosch is a game-changer. From many of its collections, we have picked the Bosch 1375A. This is the best 4.5 inch angle grinder for metal cutting. Weighing only 3.75 pounds, this angle grinder is lightweight.

Pick the Right Angle Grinder Wheel for Cutting Metal

With a 6.0 Amp powerful motor, the grinder is suitable even for professionals, plumbers, and fabricators. It produces a no-load speed of 11000 revolutions per minute. The tool was also designed in a small diameter field. As a result, there is a balanced ratio between power and size.

Boasting the signature Service Minder Brush System of Bosch, it offers control and longevity. The system powers off the machine as a preventative measure. Also, it includes an additional auxiliary handle.

This handle can be placed into two different positions for the utmost operating privilege. Besides, its main top handle is also designed in a user-friendly way. The lock-on side press also ensures ergonomic use and continuous running of the machine.

More importantly, this model of Bosch is housed with epoxy coating. Therefore, the internal parts of the machine are safe from the produced dust and debris. Also, the switch on the machine is sealed to protect it from debris.

Top Features:

• Portable, powerful, durable and performative.
• Featured with preventative maintenance option.
• Includes spanner wrench, burst-protection guard.
• Best for plumbers, metal workers, and vehicle fabricators.

4. Makita 9557PBX1 4-1/2″ Paddle Switch Angle Grinder

Talking about power tools and here comes the brand Makita. Consider all your home projects are solved if you have this Makita 9557PBX angle grinder. To speak the truth, it doesn’t come with the highest output power yet the 7.5A motor offers a great deal.

With an RPM rate of 11,000, the machine is suitable even for metalworking shops. For quick and precise grinding or cutting tasks, this tool is impressive. However, this Makita 4-1/2” best angle grinder offers many tool-less features along with the key features.

It is equipped with a special wheel guard adjustment. Moreover, the motor and armature are sealed carefully. It protects the tool from dust. The corded tool however is designed for continuous use with less vibration.

Also, with less fatigue and other conveniences, this grinder is highly durable. The lock-on switch ensures non-stop hassle-free continuity of the machine even though it’s a bit heavy. Surprisingly, this moderate-priced tool arrives with a total of five grinding discs.

Moreover, with a small barrel grip, moving the tool is easy. So, overall, with versatile operation opportunities, the Makita 9557PBX1 is the best 4.5 angle grinder.

Top Features:

• Corded, compact, and efficient.
• Comes with dust protective features.
• Packed in a beautiful aluminum case.
• Sealed and made of quality materials.

5. CRAFTSMAN Small Angle Grinder Tool 4-1/2-Inch (CMEG100)

Another budget-friendly angle grinder that is promised to fit any grinding task is the one from CRAFTSMAN. The CMEG100 is a better fit considering the size, price, and performance. With plenty of decent power, this angle grinder can grind concrete and even the rugged and rough materials.

This CRAFTSMAN CMEG100 is equipped with a 6 Amp motor. With this motor, the grinder can generate 12000 revolutions per minute (RPM). This is certainly a great deal when you do not need to break the bank.

However, the brand has compromised with the building quality a bit. That’s simply the trade-off when it offers this vast amount of power. Nonetheless, the construction is done emphasizing the DIY jobs. As a consequence, for larger industrial jobs, this grinder is not actually suggested.

Also, if we talk about its overall build, it is no inferior. As an excellent starter tool, you can pick up this CMEG100 model without any second thought. Its 3-position auxiliary handle however is the most essential one.

Accordingly, with carbon brush, spindle lock, and all, the grinder is all set to run quickly. This grinder is also adapted for excess welding. Hence, it is the best 4.5 inch angle grinder for welding.

Top Features:

• Weighs only 4.56 pounds.
• Includes tool-less guard position. 
• Featured with a 3-position additional handle.
• Handle is contoured overly molded.

6. PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch (PC750AG)

PORTER-CABLE is another popular brand for its beginner-level products creation. This PC750AG angle grinder is also one of them. This 4 1/2-inch angle grinder is the one with no complicated setting features.

Yet, the tool surely has something more to offer. Its internal parts are built with the high-quality materials that you will find in the expensive options. The grinder is possessed with a 7.5 Amp motor which is a decent and powerful one.

The motor can produce a speed of 10000 RPM. The speed is quite satisfying within this price range. The 3-year of warranty also adds to its overall value. Also, it comes with several ergonomics. They make easy setup and adjustment of the tool.

Its 3-position side handle is one of its significant features. It ensures the grinding of hard-to-reach corners.Moreover, to ensure its maximum strength and durability, the grinder has a gear case of cast metal. It also includes other essentials for compatible use.

Overall, with externally and internally good properties, the PORTER-CABLE PC750AG 4-1/2 angle grinder is the best among the cheap angle grinders.

Top Features:

• Made lightweight with 3.5 pounds.
• Includes 7.5 Amp motor.
• Designed with a tool-less guard.
• Grinding discs, side handle included.

7. DEWALT Angle Grinder Tool, 4-1/2-Inch (DWE402W)

Last but not least at all because we are talking about DEWALT here. DEWALT is the most popular and reputed name when it comes to power tools and related essentials. You won’t find an exception in its top best angle grinder creations as well.

However, to kick things off, its DWE402W model angle grinder is the one. With an affordable price rate, this 4.5-inch angle grinder is the best in terms of reliability and dependability.

With sufficient power this grinder is lightweight. It is built in a way that it can endure any abusive use. It is empowered with an 11 Amp motor.

The powerful motor provides 11000 no-load revolutions per minute (RPM). However, the more convincing part is that the grinder can accommodate wheels from 5/8 to 7/8-inches.

Undoubtedly, the arbor adapter design is worth a hand of applauds. Moreover, the angle grinder is featured with a dust ejection system. It reduces the damage from dust and increases the tool’s durability.

The grinder also offers a tool-less wheel release feature. So, your job is half done. Its one-touch guard is also designed to rotate at an angle of 360-degree. Overall, with each feature, the DEWALT DWE402W angle grinder is exceptional and worth using.

Top Features:

• Made with professional-grade.
• Convenient 2-position side handle, one-touch guard.
• Designed with dust ejection feature.
• Paddle switch feature with protective lock-off.

8. Avid Power Angle Grinder 7.5-Amp 4-1/2 Inch

To get the cheapest yet best corded angle grinder, consider this one from AVID Power. With the 7.5 Amp powerful motor, it is an excellent work horse. It will do anything you want it to do. Using the motor, the grinder delivers a maximum output power of 900W.

For applying the tool to demanding tasks, the machine comes with a no-load power of 11000 RPM. Also, like any other expensive grinders, this 4.5 inch angle grinder has some other lucrative features.

For an easy and quick disc replacement process, it also comes with a spindle lock. Likewise, its 2-position additional handle has also made the tool more versatile. The feature offers comfortable holding and greater control over the grinder.

Moreover, the slim body indicates its user-friendly design. Reducing fatigue, the tool delivers trouble-free grinding and cutting jobs. To talk about the safety guard, the grinder comes with a protective cover.

It prevents the users from metal clips and sparks produced while running. Also, its polishers offer a full cleaning path of 20 to 54 inches. For only household purposes, the AVID POWER is the best 4-1/2” angle grinder.

Top Features:

• Compact and lightweight.
• Comes with a heat dissipation feature.
• Includes auxiliary handle.
• Dust-free grinder feature.

What Should I Look for when Buying the Best 4 1/2 Angle Grinder?

Your handheld tool must be a great investment. So, checking out both internal and external components before buying is important. There are however some important considerations that will help you enough to pick the best 4 1/2 inch angle grinder. Check out!

Power Source

While looking for an angle grinder, power source consideration comes in the first place. Undoubtedly, choosing the right power source will make it all easier fifty percent. Like many other power tools, angle grinders also come in two types.

• Corded Angle Grinder

Corded or wired angle grinders are the ones with plenty of power. They come with the only drawback that it is wired. Therefore, the cord or wire restricts the area of work.

It also requires electrical support always to run. In return, you get a continuous uninterrupted operation without worrying about the power.

So, if your job requires power more than portability, choosing the corded grinder would be wise.

• Cordless Angle Grinder

For working in tight places, the cordless angle grinders are the ideal. These grinders tend to be more versatile because of their compatibility and adaptability. Most cordless angle grinders are compact. Therefore, you can reach all the tight corners.

However, the downside of the cordless grinder is its power restriction. The battery may run out of charge before you get the job done. Nonetheless, owning two batteries can solve the problem easier.

Thus, if your job requires more portability and versatility, then go for the cordless one. Besides, the manufacturers are also improving them more and more.

For your information, there is another type of grinder that is called the pneumatic angle grinder. This grinder however meant for professionals and auto shops.

Disc Size

Angle grinders that come with a disc size of 4.5-inch or 5-inch are mostly favored for DIYers. They tend to be more compact, versatile, and most importantly, portable.

To get into the tighter and smaller corners, these angle grinders are well worth it. Most of them boast a length of around 12 inches.

Yet, the size is large enough to deal with any typical or intricate cutting, grinding, sharpening, or sanding. However, you will also find angle grinders with 7 inches discs or 9 inches discs. They are highly powerful and also, efficient. But the heaviness is not for the household tasks you are up to do.

RPM or Disc Speed

An average 4 1/2 inch angle grinder generally produces a speed range from 5,000 to 10,000 RPM. Some of the best quality and powerful angle grinders also deliver 12000 RPM speed. Well, speed comes with safety issues. The faster rotation of the discs is the reason for the overheat of the tool.

Keep in mind, the labeled speed on the tool is the maximum speed with no-load. So, you get to be a bit careful with the speed thing. Otherwise, potential accidents and damage to the grinder might take place.

Wattage

For heavy-duty use, many angle grinders come with a wattage term. The motor inside the tool enables higher wattage for tough tasks. It also measures the power level and durability of the grinder.

Safety Guard and Dust Sealed

Even a below-average angle grinder should ensure a safety guard. These power tools tend to be dangerous for many reasons. Therefore, handguards along with other safety measures should be implemented.

Also, for safety and durability, you should pick the angle grinders with a dust-sealed design. It protects the motor and other internal components from being damaged by dust and debris.

The Best 4.5 Inch Angle Grinder FAQs

Q: What is the best 4.5 inch angle grinder?

The best 4.5-inch angle grinder comes with numerous features and conveniences. But not all that is available empowers the same properties. However, the Metabo HPT G12SR4 4 1/2 angle grinder has topped the list.

According to its value and quality, the tool is the first choice of many DIYers.

Some other grinders are also competitively the best because of their arguable features.

Q: Who makes the best 4.5 angle grinder?

For being versatile and in the constant limelight, angle grinders are used worldwide. Therefore, hundreds of brands manufacture the power tool featuring the best designs possible. Nonetheless, only a few of them have managed to be on the frontline.

For manufacturing the best 4.5 angle grinder, surely, Metabo owns the crown. There are some other renowned brands as well including Black & Decker, Bosch, Makita, Avid Power, Dewalt, Porter-cable, Craftsman, and all.

These brands also manufacture some of the best budget tools that we have mentioned in our angle grinder reviews.

Q: How deep can a 4.5 inch angle grinder cut?

A 4.5-inch angle grinder is certainly not appropriate for a deep cut. The 4.5-inch indicates its diameter. That means the disc and its edge can reach up to 2.25-inches in each direction from its center. So, you can predict the cut is not very deep but suitable for home projects.

However, if you want deep cuts through 4 inches concrete or other materials, get a bigger grinder of 9 inches.

Q: Can I use a 4 blade on a 4.5 angle grinder?

Make sure while putting a disc or blade on your angle grinder, the arbor holes of the tool match. Considering this information, you cannot put a 4-inch blade on a 4.5 inch angle grinder. The 4-inch discs are mostly made with an arbor hole of 3/8 or 1/2.

On the contrary, the angle grinders of 4 1/2 and more vastly possess an arbor hole of 7/8. So, they simply do not match.

Q: How many amps do I need in an angle grinder?

Most of the mid-range or average angle grinders come with a 5 to 6 Amp motor. These amps are enough for the average home task. Also, many manufacturers even offer 7 to 11 Amps for maximum output power.

In the case of larger angle grinders, the amps can even go from 14 to 15. 14 Amps however indicates the practical limit whereas 15 Amps is used for maximum supply.

Final Verdict

Long story short, among wider ranges of choices, it’s hard to pick the best 4 1/2 angle grinder. Hopefully, our angle grinder reviews have helped you enough with the decision-making.

Still, if you want our recommendation then it will surely be the Metabo HPT G12SR4 4 1/2 angle grinder. It is powerful and comes in a great pack.

According to the power, speed, key feature, and everything, the grinder is a go-to solution for skilled DIYers. Also, it comes with a 5-year warranty giving you the main reason for it. However, our other reviewed models are also superior. So, it’s all up to you and your work type now.