Best Variable Speed Angle Grinder – Buying Guide 2021

Variable Speed Angle Grinder cutting tool

Last updated on February 18th, 2021

No electronic tools were available in early times for polishing a rough surface. It was also pretty cumbersome to manually carry out the job since it was labor-intensive but now we have an angle grinder to assist us.

Times have changed now and we have become well-equipped with proper machinery termed as grinders which can assist us with similar jobs.

With no requirement of manual labor in operating this tool or adjusting to its heavy nature, it becomes extremely easy to work with the same.

Read Related Article: Best Plasma Cutter Under $1000

Users need to take a look at an array of factors while deciding upon their grinder which are described below.

Amongst the same, having a variable speed level holds special importance as it imparts greater versatility.

Best Variable Speed Angle Grinder

Image Name Price  
Makita 9565CV 5" SJS High-Power Angle Grinder $$$$
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Bosch GWS13-50VSP High-Performance Angle Grinder Variable Speed $$
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Makita 9564CV 4-1/2-Inch Angle Grinder $$
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Metabo WEV15-125 Angle Grinder $$$
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Hitachi G12VE Variable Speed Angle Grinder $$
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DEWALT DWE402 4-1/2-Inch Angle Grinder $$$ Check Price
BLACK+DECKER BDEG400 4-1/2-Inch 6 Amp Angle Grinder $$ Check Price
Hitachi G12SR4 6.2-Amp 4-1/2-Inch Angle Grinder $$ Check Price
Makita GA4530 4-1/2-Inch Angle Grinder $$$ Check Price

1. Makita 9565CV 5″ SJS High-Power Angle Grinder

Makita 9565CV 5" SJS High-Power Angle Grinder

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Makita 9565CV was designed by giving the greatest importance to comfort which is the reason behind its portable structure weighing below 4 pounds as well as a lock-on switch to assist with hassle-free usage.


The Makita model runs on a 12-amp motor and comes with a soft-start to ensure smoother startup.

Its electronic limiter ceases the motor’s functioning whenever required and also diminishes burnout and overload.

The dynamic Super Joint System developed exclusively by Makita prevents gear damage triggered by accidental wheel binding.


The Labyrinth construction of this variable speed angle grinder imparts adequate protection to the same from dust and debris.

Its thick wiring delivers greater durability to Makita 9565 making it one of the most versatile tools available in the market.

Greater protection is imparted by its zig-zag varnish seal which assists users in protecting their motor by closing out its entryways.


Dealing with stonework becomes pretty easy coupled with its variable speed feature.

You can thus take on both grinding and polishing with this angle grinder which can also suffice as a high-speed paint remover.

Switching over your motor speed to 15000 RPM from 2800 RPM can be carried out by quickly adjusting your speed.

Its operating speed of 10500 RPM makes it tailor-made for taking on tougher tasks. This angle grinder can also retain its speed seamlessly while in use.


  • Increased output power is delivered by its 12-amp motor.
  • Longevity guaranteed by improved carbon brush material.
  • Constant speed is maintained even under heavy load by its electronic speed control.
  • Smooth start-ups ensured by its soft start feature.
  • Bearings and motor stand protected from dust and debris by its labyrinth construction.
  • Users can match the device speed with their specific application coupled with its variable speed control dial.


  • Lacks a paddle switch.

2. Bosch GWS13-50VSP High-Performance Angle Grinder Variable SpeedBosch GWS13-50VSP High-Performance Angle Grinder Variable Speed

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This professional-grade grinder which comes at a user-friendly price point offers premium quality engineering which cannot be seen in the products delivered by its peer manufacturers.


Durability gets ensured to the maximum mark coupled with its carbon brushes whereas the service minder attribute helps you in keeping an upper hand over preventive maintenance.

Its housing has been specially designed to direct dust away from the key components using motor airflow.


The sturdy spindle lock and tool-free guard adjustment aids in enhancing the level of convenience and safety.

The ambidextrous ergonomic side handle remains free from all signs of vibration even while running for long stretches of times on slabs of granite countertop.


The beefy Bosch grinder which is powered by a 13 Amp motor can operate seamlessly at 11500 no-load RPM.

This grinder can serve as your ideal choice for both polishing applications and slow-speed sanding coupled with its variable speed switch which can set an upper limit on 2500 RPM.

Weighing at just 5.3 pounds, this versatile grinder features of the best power-to-weight ratios.


  • Carbon brushes are more durable than its peers.
  • Higher overload capabilities are rendered by direct-motor cooling.
  • You can easily match the speed in accordance with the specific application via its variable speed setting.
  • Multiple and comfortable grip positions are guaranteed by its paddle switch.
  • Features a multi-grip paddle switch for toggling between various grip positions.


  • Space between the handle and guard is extremely tight.
  • Barrel grip diameter might prove to be extremely large for people having small hands.

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

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

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The Makita 9564CV ranks pretty high in the departments of durability, performance and safety to delight its users by delivering excellent torque across all its five-speed settings.


You can easily toggle the level of speed and torque in accordance with your requirements coupled with its variable speed settings.

This highly versatile machine can thus help you in dealing with an irregular welding surface coupled with low-speed and high-torque settings.

It also becomes possible to add finishing touches courtesy its high-speed and low-torque settings.

The speed level is maintained by the electronic speed control even while it is operating under load.


The trademark SJS technology of Makita renders adequate protection to the gear and motor from chances of wear and tear.

Its zig-zag armature varnish and labyrinth construction also insulate the gear and windings from dust accumulation.

Greater longevity stands guaranteed by the thick wires used by its armature coils for hassle-free usage.


The slide switch on top of the Makita 9564CV makes it one of the safest angle grinders available in the market by helping you in locking the switch into position for extended timespans.

You can also easily change the guard’s position courtesy its tool-less wheel guard system.

Thus, it won’t be required to ever compromise your safety by removing the guard.

You can even attach the side handle either on the right or left in accordance with your requirements.


  • Labyrinth construction protects the motor as well as its bearings from the accumulation of dust and debris to render greater longevity.
  • Smooth start-ups are guaranteed by its soft start feature.
  • Slide switch and lock-on setting helps with continuous usage.
  • Increased output power is delivered by its powerful 12.0 AMP motor.
  • Compact device weighing just 5.3 pounds rank high in the department of portability.


  • Carrying case has to be purchased separately.

4. Metabo WEV15-125 Angle Grinder

Metabo WEV15-125 Angle Grinder

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Coupled with an input power of 1550 watts and 5-inch grinding wheel, the Metabo angle grinder can delight you with its stellar performance while catering to your safety metrics.


The auto-stop carbon brushes of the Metabo helps in protecting its motor while the S-automatic mechanical safety clutch minimises kick-back to the minimum level even if the disc gets jammed all of a sudden.

The clutch also ensures swift progress apart from keeping its users safe.

Its twist-proof and tool-free adjustable guard can also keep your back while you are engrossed in your work.

The soft-start, electronic overload protection and restart protection of the Metabo variable speed angle grinder can assist in avoiding shorting out.


You can easily alter speed levels coupled with its variable speed option and higher overload capacity.

Vario-Tacho-Constamatic Full Wave Electronics which power this Metabo professional tool customizes speed while working with various materials.

The speed also remains constant under heavy load. The tool’s RPM is matched to the application’s requirements coupled with its electronic variable speed dial.

You can thus easily utilize this grinder on marbles and even stones.


The long-life motor of Metabo’s green and redwork grinder paves the path for longer service life and faster material removal coupled with 20% higher overload capacity and 50% more torque.

You can also mount the gear housing while rotating the same in 90-degree steps to assist with left-handed cutting.


  • It comes with electronic overload protection to protect the device from overheating.
  • Smooth startup is ensured by its electronic soft start which increases user control and adds to the longevity of the motor.
  • It becomes easy to match the tool’s RPM along with the application’s requirement coupled with its electronic variable speed dial.
  • MetaboLongLife motor brings ahead 50% more torque than its peers.


  • It emits a lot of noise thus disrupting your concentration level at work.

5. Hitachi G12VE Variable Speed Angle Grinder

Hitachi G12VE Variable Speed Angle Grinder

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The ultra-efficient angle grinder from Hitachi has been specially designed to run with utmost consistency even on inconsistent generator power.

The incoming power is regulated by the inverter circuitry which prevents damage by rendering stability in its operation.


It becomes easy to reach every nook and corner coupled with the compact body and low-profile gear housing of the Hitachi G12VE.

Its smaller grip diameter helps the user in exercising greater control with minimal energy input even during continuous usage.

Consistent operations are guaranteed by the trigger lock-on which also makes it easy and quick to change accessories.


This grinder can be used for catering to big and tough jobs such as removing rust and paint, masonry, grinding metal, sanding various surfaces, surface finishing, stone polishing as well as performing applications by using wire wheel attachments or wire cup.


The unique design of this tool ushers in more cooling efficiency while increasing the motor’s durability.

Users can also make alterations to the speed settings between 2800 and 10000 RPMs for suiting their individual preferences.

Its internal inverter circuitry helps the angle grinder in running safely on the generator power to compensate against voltage fluctuations.


  • The uneven power supply is regulated by its internal inverter circuit to ensure superior performance.
  • Tough grinding applications can be taken up by its powerful 1300 watts of input power.
  • Control is improved and fatigue gets reduced drastically by its ultra-slim grip circumference.
  • You can easily determine the optimum speed for the application coupled with its variable-speed witch.
  • It permits the usage of extra-long extension cords without succumbing to power loss.


  • A case has to be purchased separately.

6. DEWALT DWE402 4-1/2-Inch Angle Grinder

DEWALT DWE402 4-1/2-Inch Angle Grinder

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Dewalt is quite a renounced name in tools and it manufactures the best angle grinders that are quite famous.

In the case of DWE402 it is a top-notch grinder that supplies great overload protection. The main reason that this grinder is the best in this collection is due to the powerful motor. The motor has also been designed to decrease problems of durability.


This model has oversized brushes that have brush life of about twice that of other models by Dewalt. The huge spiral bevel gear enhances the longevity of the device.

The twin wheel flanges help customers use general accessories like a one-touch guard, side handles and others.

The motor on this model is super powerful as it powers at around 11 amps AC/DC. This enables you to work the grinding wheel at around 11,000 RPM. This assures good weight, power and size.

The best thing about Dewalt paddle switch is that handymen can easily change the grinder wheel and they wouldn’t have to use any top-notch equipment and tools.

Furthermore, this model is super easy to use thanks to its smaller gripping surface. People can use the equipment without having to suffer can fatigue as it prevents the hand from being tired due to extended usage.


DeWalt paddle switch angle grinder has a safety-lock. This system prevents accidental start-up risk so you will be safe from injuries and unfortunate accidents.

The grinder also has a spindle lock button which assists in tightening and loosening the wrench. This means that when you have to change wheels/disc you will not have to use two wrenches.

This angle grinder also helps keep the workplace clean as this model features dust ejection. Dust ejection system increases the longevity and durability of the grinder as it rejects the ground material and the material doesn’t get into the internal mechanism.

This angle grinder has a 360-degree guard rotation along with a single action. This one-touch guard enhances the durability of the grinder.

This model has received a total of 4.8 stars on Amazon. So all in all, these amazing features and positive feedback make this the best angle grinder to buy.

Furthermore, the package includes one wrench, one touch-guard and a 2-position side handle. For some additional money, you can get the angle grinder along with a kit box and 5 abrasive wheels.

7. BLACK+DECKER BDEG400 4-1/2-Inch 6 Amp Angle Grinder

7. BLACK+DECKER BDEG400 4-1/2-Inch 6 Amp Angle Grinder

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If you are looking for the best product for cutting, removing rust, sharpening and grinding then Black & Decker BDEG400 is an ideal selection. The metal gear case of this grinder ensures longevity and durability of the machine.

This product also has a 3-position side handle which offers more comfort. This feature is also responsible for making it possible for one to handle the machine at a variety of angles.

Black & Decker BDEG400 also has a spindle lock which eases accessory changes.


The machine has a metal gear case that protects it from factors that might cause exterior damages. The grinder is comparatively more durable than any other power tool available on the market in the same price range.

Black & Decker BDEG400 is referred among the comfortable models plus its side handle is a three-position one. Any handymen wouldn’t have to suffer from fatigue even if they have been using the grinder for longer extended hours.

Its unique build makes it easier for handymen to operate the machine. The narrow design of the grinder also assists in making the machine easy to operate. With the shape of the machine giving a comfortable and sturdy grip you are ready to work with ease.


the one-touch release switch on the grinder makes it easier for you to shut the machine off without any hassle.

The Black & Decker BDEG400 also has a spindle lock which makes it easy for you do any accessory change. The lock not only adds some class to the machine but also makes it easier for one to work the machine. All you require to do is push the button.

Angles grinders that don’t have this feature are super hard to repair.

Furthermore, the exceptional design assists in making the grinder stand apart from all the other machines available in the market.

Customers are super satisfied with the performance of the product and they love the fact that this machine is super affordable and they don’t have to save a huge amount of money.

8. Hitachi G12SR4 6.2-Amp 4-1/2-Inch Angle Grinder

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There are few better choices available on the market that can compete with Hitachi G12SR4. As compared to other angle grinders this one from Hitachi is jam-packed with amazing features. These features make grinding a lot easier for the handymen.

This model has a powerful motor of 6.2-amp; thus you can generate enough energy to handle tough materials.

With the angle grinders wheel being 4.5 inches is it easy for one to apply the machine precisely. You also get additional 5 abrasive wheels. These additional wheels enable the deal to be worth the while.

Lefts look into some prominent features of this model.


The best part about this product is that you can use it for multiple applications. For example, you can make use of it to get rid of the paint and rust from any equipment. The equipment can even be a lawnmower that has been in your garage forever.

Not only can you sand multiple surfaces with this machine, but you can also grind masonry and metal.

The design of this model enables colon efficiency. Even when you have been using the angle grinder for a long period of time it wouldn’t heat up that much.

All in all, this machine is durable and by investing in this product you will be able to get a machine worth your while.

This angle grinder has been designed to be compact. This compact size enables you to operate the machine with ease even when you have little to no space available. You can easily work on little projects like eradicating rust from the equipment available at home.


Even thou this machine is a heavyweight performer but its super compact and light. The design makes it easy for you to carry and maneuver the angle grinder in any angle or direction you desire.

The machine weighs around 4 lbs and offers high power to weight ratio. What this does is that it gives the operator total control over the angle grinder and so you can use it for a variety of purposes.

One major issue that handymen face while working with angle grinders any other related equipment is that they end up suffering from fatigue and strain in their arms. This strain becomes prominent when you use the machine for longer periods of time.

With Hitachi G12SR4 this isn’t the case. The angle grinders grip diameter is quite small. This small-diameter offers you full control while you are operating the machine and will not cause excessive fatigue.

Thus you will be able to finish any project that you decide to get on. Plus, this project will be done with any hassle and trouble.

This angle grinder also has an exceptional spindle look. This lock enables the user to change the accessories conveniently. The result is that you will be able to make the most of the machine and use it for multiple projects.

The trigger lock-on this machine makes it easy for it to be used for a longer duration of time. Plus, the detachable guard that can be attached on the angle grinder it will keep you safe.

In case the angle grinder gets overloaded the machine will automatically shut off.

This model received a total of 4.2 out of 5 stars on Amazon. This is a major indication of the fact that customers are super happy with the purchase and love the features of this model.

9. Makita GA4530 4-1/2-Inch Angle Grinder

Makita GA4530 4-1/2-Inch Angle Grinder

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While purchasing the ideal angle grinder its vital that you consider the task which you will performing. Different individuals usually have different preferences regarding angle grinders but if you are looking for the best product then Makita GA4530 is the one for you.

MAKITA is a reputable name and the products that it manufactures are durable and made of top-notch quality.

This particular model was designed to provide performance like non-other. Mentioned below are some notable features of Makita GA4530.


Just like the angle grinders mentioned above, this one is also comfortable to operate. The comfortable design ensures that you can operate the product for long periods of time without feeling any fatigue.

The large paddles switch that this machine comes with make it easy to use the angle grinder. It offers a firm grip which allows the handymen to operate the machine conveniently on tough materials.

It is a well-known fact that power tools are quite dangerous to work with. Major companies are now designing tools by prioritizing safety standards. Makita is in line with these standards and all its products have been designed to decrease the chances of accidents and injuries.

Furthermore, the protective zigzag varnish keeps the equipment safe from debris and dirt. This protective varnish enhances the durability of the machine and keeps it safe for years and years.

While buying angle grinders handymen prefer those that have a more durable and compact design. In the case of Makita GA4530 it weighs only 4.5 pounds.


This angle grinder by Makita has an alternative power source. So you can make use of this technology and use the alternative power source when you are working at a site that has no power source.

This feature is super handy for those people that like to alter between AC and DC power. With this model, they can do it with just a switch of the button.

The labyrinth construction of the angle grinder seals and protects the bearings and motor from any damage.

This model also features a gear housing that is rotatable. It can rotate 90 degrees, this feature offers superior cutting and makes it easier to use the grinder on multiple materials.

With an average Amazon rating of 4.7 out of 5 stars and super positive feedback, it is save to say that this product is loved by many. One customer has mentioned that this model is perfect for light projects and it produces amazing results.

Furthermore, they also are a fan of the top-notch grinding wheels that assist the grinder in performance.

10 Major Uses of Angle Grinder

The three most basic functions of an angle grinder are: polishing, grinding and cutting.

In case of cutting what an angle grinder does is that it runs at super high speed, this speed facilitates with the cutting tasks and provides better precision.

With the right set of attachments, you can restore any scratched metal plus polish it. As you are thinking about buying an angle grinder thus it is essential that you have a look at all the ways it can assist you.

Such versatile equipment has a lot of uses.

1. Removing Paint

You are likely to find an angle grinder in an auto body shop as they use it to remove paint. The angle grinder removes the old paint without causing any damage to the metal present underneath it.

2. Removing Rust

An angle grinder can also remove rust. You will require a brush attachment or wire wheel in order the get rid of any layer of rust. On removing the rust you will also be preparing the surface for a fresh coat of paint.

This way you will be able to preserve the metal present underneath the rust.

3. Cutting Ceramic Tiles

Angle grinder is ideal at cutting ceramic tiles and other things. They cut the edge in a clean and crisp form.

4. Removing Mortar

The angle grinder can remove mortar in an easier and quicker way. This tools also decreases the chances of chipping the bricks while you are cleaning the mortar out from between them.

5. Stone Cutting

As we already know that angle grinder is able to make smooth and nice cuts thus it is perfect for cutting the stone out. In case you require extra mobility, you should opt for a smaller sized grinder as its compact size will assist in cutting precise and smaller pieces.

6. Metal Cleaning

Just like clearing rust off of cars, you can use an angle grinder to clean metal and clear rust. The right tool to use here will be a wire brush as it can easily clean your metal tools and shovels.

7. Cutting Metal

Along with cleaning the metal, you can also cut it using the angle grinder. The plus point here is that angle grinders are compatible with all kinds of metal. Cutting metal is the intended use of angle grinder so obviously they will perform well while cutting metal.

8. Tool sharpening

A perfect alternative of a bench grinder for tool sharpening is an angle grinder. You will, however, require some skill in controlling the tool and making sure that you are operating the equipment correctly.

9. Wood carving

Making use of carving discs you can carve into a wooden object. As angle grinders are ideal for raw shaping liking making tables or legs of tables. Remember angle grinders aren’t fine enough to handle the intricate work, so you will require something else for that.

10. Planing wood

Finally, you can make use of a carving wheel in order to plane wood. The carving wheel can also be used for other planning tasks.

Things To Keep In Mind While Purchasing A Variable Speed Angle Grinder

1. Wattage

You can slice through thicker metals easily coupled with higher wattage. It becomes imperative to opt for a grinder having higher wattage if you are planning on using the same for longer spans of time.

2. Brushless Grinders

These motors have fewer parts that can wear out. These are thus more powerful and definitely worth the extra money paid.

3. Speed

It becomes easier to take on delicate work at lower speeds coupled with variable speed angle grinders which in turn might add to the machine’s price tag.

4. Safety Characteristics

Slow Start feature can be seen in some larger angle grinders where the motor reaches full speed slowly to prevent the same from getting twisted on start-up. The restart protection feature buffers the grinder from starting again if it gets overheated or has been left out. The paddle switch is also present in some grinders and is known by the name of Deadman’s Switch. This safety mechanism ensures that users can hold the grinder easily and stop its spinning whenever the switch is released. Having an anti-kickback function ensures that the angle grinder cuts out whenever the wheels get bound up. Although these features add to the angle grinders price, they can go a long way in ensuring your safety and are thus considered mandatory in various building sites.

5. Disc Diameter

This can serve as a key choice while zeroing on your angle grinder as the cutting depth of your machine shares a positive correlation with the disc diameter. Angle grinders having bigger disc diameters also bring in greater power to its functioning.

6. Extras

You might come across angle grinders having a lock nut, grinding wheel and side angle as extra accessories. Some even have carry cases and grinding discs which are included in its price. In spite of being more expensive compared to the basic model, the whole thing will seem a lot cheaper than purchasing every single thing separately.


A good grinder can assist you in sharpening several other tools and mower blades.

Apart from assisting you rhetorically at cutting tasks, a proper grinder can also boost up your speed while slicing through bar-stock metal, PVC, pipe and conduit.

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