Angle grinders, commonly known as disc or side grinders, are vital tools in workshops and construction sites. They provide power and versatility for various tasks like cutting, grinding, and polishing. Choosing the appropriate angle grinder is crucial for achieving optimal results, whether you’re a professional or a DIYer.
Key Considerations:
- Power: Angle grinders vary in power from approximately 500 to over 2500 watts, with higher-wattage models providing enhanced cutting and grinding abilities. Opt for a high-power angle grinder, ranging from 1500 to 2500 watts, for demanding applications like cutting metal or concrete.
- Disc Size: Angle grinders come in various disc sizes, including 4.5-inch, 5-inch, 7-inch, and 9-inch discs. The disc size determines the depth and area of material that the grinder can cut or grind in a single pass. Smaller discs are suitable for precise work and lighter tasks, while larger discs excel at cutting through thicker materials.
- Speed: Angle grinders typically feature variable speed settings, enabling you to adjust the RPM to match the material and application. Look for a grinder with a broad speed range, from around 5000 RPM for precision work to over 10,000 RPM for rapid material removal.
For more comprehensive guidance on selecting the ideal angle grinder for your requirements, refer to our detailed “Buying Guide” later in this article.
Best Angle Grinders Table
| Best Angle Grinders | Blade Size | Motor Power | Warranty | Buy Now |
|---|---|---|---|---|
| DEWALT Angle Grinder | 4-½ inch | 11 amp | 3 years | Check On Amazon |
| Makita Angle Grinder | 4-½ inch | 7.5 amp | 1 year | Check On Amazon |
| Bosch Angle Grinder | 4-½ inch | 6 amp | 1 year | Check On Amazon |
| BLACK+DECKER Angle Grinder | 4-½ inch | 6.5 amp | 2 years | Check On Amazon |
| Milwaukee Cordless Grinder | 4-½ inch | 7 amp | 5 years | Check On Amazon |
| Kimo Angle Grinder | 4-½ inch | 20 Volts | NA | Check On Amazon |
| Metabo Angle Grinder | 4-½ inch | 6.2 amp | 5 years | Check On Amazon |
| Avid Power Angle Grinder | 4-½ inch | 7.5 amp | 2 years | Check On Amazon |
| PORTER-CABLE Angle Grinder | 4-½ inch | 6 amp | 3 years | Check On Amazon |
| SKIL Angle Grinder | 4-½ inch | 6 amp | 1 year | Check On Amazon |
Best Angle Grinders Reviews
1. DEWALT Angle Grinder
Dewalt is one of the most popular brands out there that makes all kinds of power tools. We are here with a highly powerful angle grinder option from Dewalt.
The Dewalt DWE402 angle grinder is in the 1st position in this article as it is the most powerful options in this article. You get a 4-½ inch blade in this angle grinder that is powered by a highly powerful 11 amp motor.
Due to this, its blade spins at 11,000 RPM that can easily cut through most materials. It even comes with a 3-year warranty since it offers a highly reliable and durable build quality. You can also find a useful paddle switch in this angle grinder.
Best Features
- 4-½ inch blade size
- 11 amp motor
- 11,000 RPM blade speed
- 3-year warranty
- Paddle switch
- Ergonomic high grip handle
- Dust ejection system
- One-touch guard
Components
- Wrench
- Angle grinder
- User manual
- Warranty card
2. Makita Angle Grinder
Makita is a premium brand of power tools with various options. And as you would expect, it even offers a great angle grinder option.
This angle grinder from Makita is in the 2nd position in this article as it offers a great build quality. You also get a 7.5 amp power motor in this angle grinder that is quite powerful when compared with other options out there.
While it only has a 1-year warranty, it offers a highly reliable motor that can last for a long time while cutting using its 4-½ inch blade. Another great thing about this angle grinder is that you get various accessories with it.
Best Features
- 4-½ inch blade size
- 5 amp motor
- 10,000 RPM blade speed
- 1-year warranty
- AC/DC switch
- Lock option
- Protective zig-zag varnish
- High-quality diamond wheel
Components
- Extra-large switch
- Aluminum carrying case
- 1 cutting wheel
- 5 grinding wheels
- Angle grinder
- User manual
- Warranty card
3. Bosch Inch Angle Grinder
Bosch makes all kinds of home and industrial appliances as well as power tools. You can also find an angle grinder from Bosch, including the one present in this article.
Bosch’s 1375A angle grinder is present in the 3rd position in this article as it can be a great option if you are on a budget. While it has a comparatively affordable price tag, you get a 4-½ inch blade along with a 6 amp motor in this angle grinder.
You also get a 1-year warranty with it that is great to have. Its cutting wheel spins at 11,000 RPM, which is quite great considering its small motor. This angle grinder also has a decent build quality as you can expect from any Bosch product.
Best Features
- 4-½ inch blade size
- 6 amp motor
- 11,000 RPM blade speed
- 1-year warranty
- Ergonomic shape
- Decent build quality
- Affordable price tag
- Weighs 3.75 pounds
Components
- Angle grinder
- User manual
- Warranty card
4. BLACK+DECKER Angle Grinder
Black Decker is another highly popular brand that makes all kinds of power tools. And the Black Decker angle grinder present in this article
Ths angle grinder from Black Decker is the cheapest option present in this article. Even then, it can offer a decently powerful 6.5 amp motor for its 4-½ inch blade. And despite its affordable price tag, it comes with a 2-year warranty.
A great thing about this angle grinder is that it offers an excellent build quality. And you also get various free accessories with this budget angle grinder. All of these things make it a great value for money option if you are looking for angle grinders.
Best Features
- 4-½ inch blade size
- 5 amp motor
- 10,000 RPM blade speed
- 2-year warranty
- Great build quality
- Metal gear case
- 3 position side handle
- Spindle lock for changing accessories
Components
- Wrench
- Wheel guard
- Metal grinding wheel
- Angle grinder
- User manual
- Warranty card
5. Milwaukee Cordless Grinder
Milwaukee is known for making highly reliable and premium power tools. This is also true for the angle grinder present in this article.
One of the best things about this angle grinder is that it comes with a 5-year warranty. You can also expect highly durable metals and plastics used for the construction of this angle grinder.
It comes with a 7 amp motor for the 4-½ inch blade of this angle grinder. This blade can spin at 9,000 RPM that is quite decent for most users. It uses 18-volt batteries to power this motor that makes it a cordless angle grinder.
Best Features
- 4-½ inch blade size
- 7 amp motor
- 9,000 RPM blade speed
- 5-year warranty
- Picks up debris
- 3 position side handle
- 4 pole silent motor
- Overload protection
Components
- Wrench
- Handle
- Angle grinder
- User manual
- Warranty card
6. Kimo Angle Grinder
Kimo is a reliable brand that serves as a one-stop power tool solution for all its needs. Some of its popular products are saws, fans, auto parts, power tools, batteries, and outdoor equipment.
Kimo’s angle grinder is powered by a 9000 RPM brushless motor that drives a 4-½-inch blade for grinding a wide range of materials including wood, concrete, brick, masonry, tile, steel, and other metals. The brushless motor provides 53.5% longer runtime and an efficient grinding experience. Besides, the magnet ensures the operation is stable and smooth. The power indicator helps you to know exactly how much charge is left in the grinder so that you do not have to play the guessing game.
The angle grinder features an ergonomic and rubberized 2-position grip handle to provide comfort when you are operating the grinder. The battery lasts longer with 1,000 charging-cycle tests. The angle grinder comes with 20 accessories to meet all your diverse grinding needs. You get an ultra-fast charger that allows you to charge the tool 50% faster. Using the wrench, you can adjust the wheel when needed and also switch accessories easily.
Best Features
- 4-½-inch cutting blade
- 9000 RPM blade speed
- 1,000 charging cycle test
- 53.5% longer run time
- Rubberized 2-position grip handle
- Optimized cooling system
- Ultra-fast charger
- Comes with 20 accessories
Components
- Tool Body
- 4.0Ah Lithium-Ion Battery
- Fast Charger
- Wood Cutting Wheel
- Hook & Loop Backing Plate
- Grinding Wheel
- Metal Cutting Wheel
- Sandpaper
7. Metabo Angle Grinder
Metabo HPT is quite a popular brand of power tools of different kinds. We have mentioned a great angle grinder option from Metabo in this article.
One of the best things about this angle grinder is that it comes with various accessories. All of these can be quite useful for cutting and grinding. Another great thing about this angle grinder is that you get a 5-year warranty with it that makes it a durable and reliable option.
It has a 10,000 RPM rating due to its 6.2 amp motor. And this motor spins a 4-½ inch blade that can be used to cut any material without any issues efficiently. Even then, it weighs just 4 pounds.
Best Features
- 4-½ inch blade size
- 2 amp motor
- 10,000 RPM blade speed
- 5-year warranty
- Comes with various accessories
- Decent build quality
- Weighs 4 pounds
- Removable side handle
Components
- Carrying case
- Wrench
- Handle
- Protector guard
- Various cutting and grinding wheels
- Angle grinder
- User manual
- Warranty card
8. Avid Power Store Angle Grinder
Next product on our list is from a trust-worthy brand called Avid Power Store. If you are looking for good quality angle grinder at affordable price range, then this can be a great option to consider.
Their angle grinder is equipped with 7.5 amps motor and 900W max output power. It can generate no-load speed of 11000RPM which makes it suitable for most of the applications like sanding, cutting and grinding.
It is suitable for metal cutting, tile grinding, rust cleaning, wood grinding, metal grinding, and wood cutting. It has ergonomic handles, safety protection, convenient operation and other beneficial features.
Best Features
- 2-position auxiliary handle
- Light weight and compact
- Ergonomic design
- Versatility in all applications
- Integrated spindle lock
- Suitable for most of the applications
- Safety protection
- Durable
Components
- Angle grinder
- Metal grinding wheels
- Cutting wheels
- Spanner
- Side handle
- Flap discs
- User manual
9. PORTER-CABLE Angle Grinder
Next we have Porter Cable that is known to make all kinds of power tools and related accessories.
You get a decently powerful 7 amp motor in this corded angle grinder. And this motor spins the 4-½ cutting blade of this angle grinder at 11,000 RPM, which is as good as much more expensive options out there.
Despite its affordable price tag, you get a 3-year warranty with it. It even comes with a cast metal gear case that is highly durable and strong. You can also find a 3 position side handle that is quite ergonomic in this angle grinder.
Best Features
- 4-½ inch blade size
- 7 amp motor
- 11,000 RPM blade speed
- 3-year warranty
- Cast metal gear case
- 3 position side handle
- Tool-free guard
Components
- Wrench
- Grinding wheel
- Cut-off wheel
- Grinding guard
- Cutting guard
- Side handle
- Angle grinder
- User manual
- Warranty card
10. SKIL Angle Grinder
Coming to the last angle grinder in this article, Skil is known for making excellent affordable power tools of all kinds. And that is also true with the Skil angle grinder present in this article.
It comes with a 4-½ inch blade just like various other options in this article. And it uses a 7.5 amp motor to power this blade that spins at 11,000 RPM. You even get a decent build quality despite its affordable price tag.
A great thing about this angle grinder is that it comes with a vibration-reducing handle. As a result, you can easily cut through materials without any imperfections.
Best Features
- 4-½ inch blade size
- 7.5 amp motor
- 11,000 RPM blade speed
- 1-year warranty
- Value for money
- Decent build quality
- Vibration reduction system
- Heavy-duty metal gears
Components
- Grinding wheel
- Sanding discs
- Wrench
- Angle grinder
- User manual
- Warranty card
What Can We Do With This Angle Grinder?
The angle grinder is a versatile tool used widely for grinding metal, routing out the mortar, cutting tile/rebar/stucco, polishing, sharpening and sanding. Although, it comes in different sizes but we use 4 – 4 ½ inch grinder to complete most of the tasks. It is a must-to have tool for any service garage, auto repair shop, workshop or home hobbyist.
There are some risks involved while using this tool but most of the modern models will ensure safety along with delivering performance. Now let’s know, for what purpose we use this grinder mostly.
- Cleaning – A wire cup is attached to this power tool for cleaning caked on cement and rust from various tools. But be sure that to spin the brush away from the edges of tool or else you may experience kick back.
- Cutting Rebar – Simply, attach a metal cutoff wheel to the angle grinder for cutting tough rebar in concrete, but make sure the tool is tightened securely. Drop this cutoff wheel after cutting through metal to reduce the weight of the tool. Angle grinders is much quicker and easier to use than hacksaws. Also, you can use a high-quality metal cutting saw to do this cutting.
- Sharpening Blades – An angle grinder has its ease of use and power while sharpening other tools. Simply secure the blade in a vise and position the tool. Try to adjust the blade guard to prevent sparks and align the angle grinding wheel on the blade and start grinder. Apply slight pressure while moving the wheel across the blade to sharpen it.
- Scoring Tile – One can easily score through the middle of a tile by using a diamond blade. For example, if you want to cut a hole in an outlet then you have to mark the outline of the hole size. Now secure the tile with a clamp to the workbench. Score about 1/8-inch deep on the front of tile with the grinder. It is much easier than using a tile cutter.
- Grinding Out Mortar – The tuck pointing wheel of the angle grinder will allow you to grind out the old, loose mortar. Simply make 2 – 3 ½ inch deep drills to clear out the joint completely and keep 1/8-inch away from brick.
Factors to Consider When Choosing a Power Conditioner
When choosing a power conditioner for your electrical devices, it’s important to consider several key factors to ensure they perform well and stay protected. Knowing these factors will help you make a smart choice that suits your needs.
1. Voltage Regulation
The main purpose of a power conditioner is to control voltage changes, guaranteeing a steady and reliable power flow to your equipment. When assessing power conditioners, it’s important to check their voltage regulation capabilities. Opt for models with advanced voltage regulation technology that can uphold a consistent output voltage within a defined range, even when the incoming power supply experiences fluctuations or disturbances.
2. Surge Protection
To protect your electronic devices from electrical surges and spikes, invest in a strong power conditioner. Look for models with advanced surge protection that can detect and stop voltage spikes before they harm your devices. Choose a power conditioner with a high joule rating to ensure solid defense for your equipment.
3. Noise Filtering
Electrical noise, or interference, can mess up how your equipment works by adding unwanted signals and disruptions to the power it gets. To fix this, focus on getting power conditioners that can filter out this interference well. Choose ones that use different filtering technologies, like ferrite cores, inductors, and capacitors. These filters help keep your power supply clean and steady, so your devices can work properly without any annoying disruptions.
4. Power Capacity
It’s important to match its capacity with the total power your devices need. Make sure the conditioner can handle all your devices without getting overloaded. Overloading might cause problems or damage. It’s smart to pick a conditioner with a bit more capacity than you currently need, so you can add more devices later without any issues.
5. Number of Outlets
It’s crucial to verify the types and number of outlets accessible to ensure they’re compatible with your devices. Confirm there’s an adequate number of outlets for all your gadgets, including any specialized plugs or connectors. Additionally, consider the spacing between outlets to ensure that larger power adapters can fit without obstructing adjacent sockets.
Safety Precautions while using this Angle Grinder:
The angle grinder works with a combination of immense power and speed. If you’re not careful (or) not using the correct safety gear (or) not taken any appropriate safety precautions, while using this angle grinder. Then it results in a risky situation. So, what are the safety precautions you have to follow? Here we explained some safety tips.
- Make sure to have safety gear like wearing face shield / safety glass, work gloves and proper clothing (able to withstanding debris/sparks).
- Always, unplug the grinder while switching wheels before changing discs.
- Attach the handle properly to maintain it with a firm grip.
- Run the grinder for a minute or more before using them in a protected area to ensure that there are no defects in its operation.
- The position of the work piece should make the debris flies downwards and wheel spins away but not into the sharp edges. This will prevent the wheel to throw or kick back the object.
- Its must to secure your work piece and keep flammable objects away from the sparks while operating this angle grinder.
- While you’re working on the project, try to keep everyone away from the workplace.
- Always choose the grinder that comes with easy interchangeable discs. Also, never ever change the disc or wheel when the power is on.
Frequently Asked Questions:
One can easily remove the angle grinder disc in a few different ways within a couple of minutes. The way of removing this disc will depend on your preference and available tools. Always, make sure to shut off the power to your grinder before trying to remove this disc.
For cordless tool, remove the battery from this angle grinder whereas for a corded one, unplug the cord from the standard wall power outlet. Turning off the power will lighten the tool and allow you to easily handle it and change/remove the disc.
Attach the grips to bolt which holds the disc from spinning to drive. Then insert a cordless screwdriver into the hole between the motor and disc. Now pull the screwdriver out in opposite direction of the disc arrow. In case, if it not loosens then use a hammer to turn the screwdriver with some force. Also, remember that you can easily remove the disc without using any tools. Simply strike the disc in opposite direction of disc arrow to loosen up the nut and thereby remove it with the fingers.
The grinder has two factory spanners, which look like flattened wrenches. One looks like normal wrench and other resembles a two-pronged fork. This will help you to remove the discs. First, prongs have to be inserted in two holes in the drive bolt, which is located in between the tool’s motor and disc.
Then secure the bolt on the disc bottom with the wrench-like spanner but make sure to turn the pronged spanner in the opposite direction of the disc arrow. The grinder has a button to hold the disc in place and rotate the nut till the disc is removed from tool.
An angle grinder is a versatile tool that widely used a myriad of projects, which includes cutting and grinding metals, cleaning tools, and polishing. For polishing the metal, we use a buffing pad or polishing wheel to restore the luster back to material. Simply, smooth out material by using a high grit grinding disc. Although, there are various polishing compounds available in the market for these grinders to remove scratches and polish up the material to get bright mirror finish.
Conclusion
Angle grinders are one of the most useful power tools out there as they can be used for various kinds of operations. We have mentioned some of the best angle grinders in this article. You can also find all of their essential details like major features and options along with their differences. But if you still cannot choose the best angle grinder for you, here are some of our recommendations:
- The Dewalt DWE402 angle grinder is the most potent option present in this article. Even though it also has a 4-½ inch blade just like other options in this article, you get a highly powerful 11 amp motor. It makes the cutting blade spin at 11,000 RPM. You also get a 3-year warranty with this angle grinder that makes it a highly reliable option.
- But if you want one of the most premium and highly reliable angle grinders, you can go with the Milwaukee 2680-20 M18. While it is on the expensive side, it comes with a 5-year warranty along with great build quality. You also get a 7 amp motor in this angle grinder along with long-lasting 18-volt batteries.
- Although, if you are on a budget, then you can go with the Black Decker BDEG400 angle grinder. Even though it is the cheapest option present in this article, you get a 6.5 amp motor and a 4-½ inch cutting wheel in it. You even get a 2 year warranty with this budget angle grinder. And it can be a great option as your first angle grinder.
Make sure to share your thoughts in the comments section. You can also post any questions down there if you have any!
