Concrete grinding is a power-taxing job and without a patent tool in hand, you can expect a trouble-free experience. Angle grinders are compact power tools that help you work with small concrete surfaces. Ease of operation and low operating cost makes them popular among the vehicle fabricator, contractors, and plumbers.
Before you buy an angle grinder for concrete, it is crucial to understand how much power and what design you need. To help you make a well-informed decision, we have reviewed the seven best angle grinders for concrete. After trying out various options available in the market we have selected these grinders that stood best for quality and performance.
Best Angle Grinders For Concrete Overview
IMAGE | PRODUCT | DETAILS | ||
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Best Overall | Best Overall
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DEWALT Angle Grinder Tool |
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Check On Amazon |
Premium Pick | Premium Pick
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Makita GA7021 7″ Angle Grinder |
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Heavy Duty | Heavy Duty
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BOSCH 4-1/2-Inch Angle Grinder |
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Best Seller | Best Seller
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BLACK+DECKER Angle Grinder Tool |
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Editor’s Choice | Editor’s Choice
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Makita 9557PBX1 4-1/2″ Paddle Switch Cut-Off/Angle Grinder |
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Check On Amazon |
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Metabo HPT Angle Grinder |
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Check On Amazon | |
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Bosch GWX13-50VSP Variable-Speed Angle Grinder |
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Check On Amazon |
7 Best Angle Grinders For Concrete Review
1. DEWALT Angle Grinder Tool (DWE402)
Features
- Power Source: Corded Electric
- Weight: 6.3 lbs.
- Dimensions: 15.63 x 5.94 x 4.81 inches
Top on our list of best concrete angle grinders is Dewalt DWE402. This powerful tool is designed to work with demanding applications like concrete grinding, crushing, and metal fabrication. This grinder is equipped with a powerful 11-amp motor making it powerful enough to withstand heavy-duty applications. The grinder offers a maximum speed of 11,000 RPM and stands among the most powerful grinding tools on the market.
This corded electric grinder has disc sizes of 4 ½ inches and uses an ⅞-inch arbor. These features make the grinder perfect for repairing concrete surfaces. The biggest concern of the people working on concrete surfaces is dust pollution. The dust can cause serious breathability issues and also damages the motor and internal parts of the tool. Thankfully, this grinder tool by DeWalt is equipped with a Dust Ejection system.
This feature guides the dust in one direction to prevent internal damage for long service life. Also, you can easily avoid dust issues by wearing a face mask. Moreover, the grinder uses oversized brushes that last longer than you expect. Even in tough applications, the brushes offer reliable performance over a long period. Additionally, it uses the large spiral bevel for long transmission life and a trouble-free experience.
The one-touch guard makes the tool’s angle adjustment super easy. Unlike its cheap counterparts, it does not force you to work at an awkward angle. The grinder offers trouble-free performance and the only limitation we noticed is the cord length. The unit comes with an 8 ft cord and its application is limited due to its cord length.
PROS
- One-touch guard
- Dust Ejection system
- Large spiral bevel for untiring experience
CONS
- Limited cord length
Dewalt (DWE402) with a powerful motor and best-in-class grinding speed is undoubtedly the best angle grinder for concrete. The grinder uses oversized brushes and a self-dust ejection system giving you reliable service for a long period.
2. Makita GA7021 7 “Angle Grinder
Features
- Power Source: Corded Electric
- Weight: 15.4 lbs.
- Dimensions: 21.25 x 9.25 x 7 inches
Makita GA7021 angle grinder is among the most powerful grinding tools you can buy in 2022. This 7-inch angle grinder is equipped with an ultra-powerful 15-amp motor. These figures reveal the tool is powerful enough to handle the most demanding concrete repairing and cutting jobs. It offers a decent speed of 66000 RPM and even in the toughest jobs, it doesn’t comprise the speed.
Since the tool is built with the needs of the industrial-grade application in mind, it features labyrinth construction. It offers impressive impact resistance and prevents damage from flying silica and metallic chips. Also, its well-sealed body doesn’t allow the silica dust to enter the tool. It minimizes the maintenance requirement and chances of motor burning.
It is a heavy-duty tool and weighs around 15.7lbs. Its maneuverability is limited, but its soft handle grip significantly improves your experience with the tool. You can position the handle on either side of the tool for added convenience and stability. It offers tool-free guard adjustment and accessory change. The one-touch mechanism allows you to change the accessories effortlessly while working on rough surfaces like concrete or metal.
This grinding tool by Makita also comes with a rear trigger switch. The trigger switch is easily accessible and ensures the operator’s comfort during the most demanding applications. Additionally, it has onboard trigger locking features that prevent dry operation for a safe and damage-free experience.
Since it is a heavy tool, it can damage the delicate work surface. To deal with this issue this tool is paired with a soft rubber rest that prevents scratches and surface damage. The tool offers flawless performance and the only downside is that it is too heavy. It needs a lot of practice and effort to handle this tool.
PROS
- 15-amp powerful motor
- Sturdy labyrinth construction
- Rear trigger switch with lock-on
CONS
- Hefty power tool
Makita GA7021 with a 7-inch grinding tool and 15-amp powerful motor is undoubtedly the best angle grinder for concrete. Its solid build quality and user-friendly ergonomics make the tool perfect for industrial-grade concrete grinding and polishing applications.
3. BOSCH 4-1/2-Inch Angle Grinder 1375A
Features
- Power Source: Corded Electric
- Weight: 3.75 lbs.
- Dimensions: 14.4 x 5.2 x 5.2 inches
If you are looking for a compact and powerful tool for tough concrete jobs consider Bosch Angle grinder 1375A. This angle grinder is engineered to perform tough jobs like concrete removal, metal fabrication, and steel cutting. The best part of this tool is that it weighs only 3.75 lbs. This is probably the lightest angle grinder you can find in this power range.
The angle grinder uses a 6-amp motor that helps it operate at an impressive speed of 11000 RPM. The powerful motor combined with a small-filled diameter makes the grinding super easy and offer an untiring experience even in tough applications. The tool features a well-protected design and offers built-in protection mechanisms.
The epoxy-coated surface of the tool prevents damage from flying metal pieces and chips. Additionally, it has a side switch that acts as built-in dust protection to prevent the dust from entering the motor and other sensitive internals. Another great news is that it has an exclusive Bosch service minder. It automatically stops the motor if the tool needs maintenance. In this way, it helps you avoid irreparable damage.
This tool comes with a versatile spindle that helps you mount various accessories. The spindle size varies between ⅝ to 11 inches making it a perfect fit for various applications. The biggest downside of the unit is that its switch locks are positioned awkwardly. The switch lock is pretty hard to access.
PROS
- Lightweight and compact
- Class-leading speed
- Built-in protection system
CONS
- Switch lock isn’t easily accessible
Bosch 1375A with lightweight construction and decent power output offers a best-in-less power-size ratio. It is an excellent option for concrete polishing, metal fabrication, and pipe cutting jobs.
4. BLACK+DECKER Angle Grinder Tool
Features
- Power Source: Corded Electric
- Weight:4.39 lbs.
- Dimensions: 12.5 x 5.19 x 4.63 inches
Black + Decker is known as one of the most reliable power tool brands as it manufactures a wide range of tools for multiple applications. This corded electric grinder is crafted to meet the demands of tough applications. It connects to a continuous power supply and will not let you down even in the most power-taxing applications.
The grinder has a compact profile offering ease of maneuverability. It easily fits in compact corners and has a wide application span. For an untiring experience in the heavy-duty concrete cutting application, it comes with an ergonomic grip. You can adjust the grip handle and three different positions. The maximum speed it offers is around 10,000 RPM.
It is a versatile power tool that works with a wide range of accessories and attachments. A spindle locks feature makes the accessory replacement quick and easy. You can change the attachment with a single swap without using additional tools. The package includes a metal grinding wheel, spanner wrench, and wheel guard.
The wheel guard ensures the operator’s safety making it perfect for the novices. Although this tool is powerful enough to work with hard concrete surfaces, a concrete cutting disc is not included in the package. For concrete cutting and repairing applications, you need to pair it up with a high-quality aftermarket concrete disc.
PROS
- 3-position comfortable grip
- Spindle lock for tool-free accessory replacement
- Wheel guard for operator’s safety
CONS
- No concrete disc is available
Black + Decker angle grinding tools come packed with safety and convenience features making it the best angle grinder for concrete. It combines a lightweight profile with a powerful motor making it perfect for power taxing applications. It is advised to use a Diamond blade for maximum efficiency in concrete applications.
5. Makita 9557PBX1 4-1/2″ Paddle Switch Cut-Off/Angle Grinder
Features
- Power Source: Corded Electric
- Weight:12.54 lbs.
- Dimensions: 6.1 x 15.47 x 11.38 inches
Makita 9557PBX1 4 ½ inch angle grinder is one of the top-rated and best-selling options on Amazon. This compact yet powerful tool combines solid construction with high power output making it the best angle grinder for concrete and metal applications. The tool is powered by a 7.5 amp powerful motor that ensures a stable power output.
It supports both AC/DC and you can use it in various environments. It offers a class-leading speed of 11,000 RPM (max) and helps you complete industrial-grade projects within a limited time. The solid labyrinth construction with a fully sealed design prevents the silica dust from entering the tool. It reduces the chances of motor burning and also minimizes the tool’s maintenance requirements.
The barrel grip and small diameter enhance the operator’s comfort during the power-taxing applications. The soft rubberized grip minimizes the hand and wrist strain. What makes it perfect for concrete cutting applications is the diamond grinding disc and turbo rim. These features ensure a vibration-free and smooth grinding experience on rough surfaces like metal and concrete.
Makita patented X-Lock quick-change system makes the adjustment and accessory replacement a quick breeze. The product is rated five-star on Amazon and we didn’t notice any performance or quality flaw. However, its handle and switch ergonomics need improvement to make it equally suitable for right and left-handed operators.
PROS
- Diamond cutting disc
- Labyrinth construction
- X-locks quick-change system
CONS
- Not suitable for left-handed people
Makita 9557PBX1 angle grinder with AC-DC power option and lightweight design is the perfect option for light to medium-duty concrete applications. With stable power output, diamond disc, and X-locks quick change technology, this grinder is the perfect choice for concrete, ceramic, and metal applications.
6. Metabo HPT 4-1/2-Inch Angle Grinder
Metabo HPT 4-½ inch angle grinder is an affordable lightweight and powerful tool that easily fits in a variety of applications. The best part of this grinding tool is that it is equally suitable for both left and right-handed people. Its forward-centered side handle can be adjusted on either side of the tool and offer a trouble-free experience in various environments.
Plus, a soft rubber grom makes it pretty easy to handle. The tool is powered by a 6.6 amp motor and offers a maximum speed of around 10,000 RPM. Although its power output is limited, it offers a smooth experience for light to medium duty grinding applications.
The grinder comes with five different grinding wheels. The diamond disc is not included and if you want to make it work on rough concrete surfaces it is advised to pair it up with an aftermarket disc. The spindle locks feature offers a tool-free and effortless accessory replacement.
For the operator’s safety, the unit has an onboard trigger lock feature that prevents dry operation. Also, a left-mounted slide off-switch ensures safe and damage-free operation. Since its power output is limited, it produces a lot of noise and vibration when used in demanding applications like concrete grinding.
PROS
- Affordable
- Comfortable ergonomics
- On-board trigger locking feature
- Spindle lock for quick replacement
CONS
- Noisy
- Vibrates a lot
Metabo HPT angle grinder is designed for light to medium duty applications and comes with a variety of discs and grinding wheels. Its stable power output and dustproof design make it an excellent option for professional-grade concrete grinding jobs.
7. Bosch GWX13-50VSP Variable-Speed Angle Grinder
Final on our list is the Bosch GWX13-50VSP angle grinder. This variable speed grinder is made for the needs of tough industrial applications and works smoothly on hard concrete surfaces. The angle grinder uses 13-amp motors and offers a class-leading power output. High torque motors ensure a stable power supply even in the most demanding applications.
You can adjust the grinder’s speed between 2800 RPM to 11,500 RPM. The variable speed features make it exceptionally versatile and it easily fits in various working environments. Since the unit is made for tough applications, it comes with everything that you need to perform grinding in concrete. Its X-lock wheel change mechanism makes the adjustment and accessory replacement quick and easy.
The snap-on mounting offers tool-free accessory change allowing you to work continuously on tough jobs. Its rugged housing combined with epoxy-coated sealing makes the tool completely dustproof. It doesn’t allow the silica dust to reach the internal parts of the tool and minimizes the chances of motor burning. Maintenance requirements are low but to ensure a reliable performance it is advised to clean the tool regularly.
The spiral bevel ensures a comfortable experience in the hard application. Since it is a heavy-duty tool, heating issues are pretty normal. However, this tool is equipped with an advanced fan and cooling system. The fan brings an instant temperature drop and maintains the internal temperature even under the most demanding conditions. Since it is an advanced and powerful tool, it is slightly more expensive than other options on the list.
PROS
- Best in class power output
- Variable speed feature
- Rugged sealed housing
CONS
- Expensive
If you work with different material types, this variable speed grinder by Bosch is the best option you can have. It’s snap-on mounting, comfortable grip, and spiral bevel design make it the best angle grinder for concrete.
FAQs about Angle Grinders for Concrete
Can I grind concrete with an angle grinder?
Yes, you can use an angle grinder to grind the concrete surface if it has a stable power output and diamond cutting disc. Also, you must look for a dust-proof design or dust shroud attachment to work with concrete.
Can I use a metal cutting disc on concrete?
Yes, you can use various metal cutting discs on concrete. However, all Makita discs do not work with concrete surfaces.
Conclusion of Concrete Angle Grinders Review
After trying various angle grinders on rough concrete surfaces we have filtered out the seven best option to help you make a safe investment. If you are interested in concrete grinding, you must look for a corded electric grinder with a diamond cutting disc and stable power output. Our top three picks for the list are:
- DEWALT Angle Grinder Tool (DWE402) for large spiral bevel, dust ejection system, and one-touch guard.
- Makita GA7021 7″ Angle Grinder for an oversized disc, labyrinth construction, ultra-powerful motor, and user-friendly ergonomics.
- Bosch GWX13-50VSP Variable-Speed Angle Grinder for stable power output, dust-proof design, variable speed, and multiple mounting accessories.
While buying a new angle grinder for concrete grinding you must look for a diamond cutting disc, built-in overheating protection, and dust-proof design. All these future make the grinding process smooth and minimizes the maintenance requirement of the tool.
Hi, I am Pete Fagerlin, carpenter by profession and working on different DIY projects is my passion. For more than a decade, it’s been my weekend hobby to dig into different tools for my favorite DIY projects which helped me to become knowledgeable about different DIY tools. With a combination of my profession and passion, I am here to collaborate with Adam Wilson to share my DIY tools knowledge with the MechanicsGear readers.