best concrete grinder

Finding the best concrete grinders can feel like a huge task because the market has numerous offers and each claims to be the best. This makes the search a little confusing and buyers might end up purchasing unhelpful tools. That’s why it’s important to lay down your needs and expectations beforehand, to ensure your money doesn’t go to waste.  

Concrete grinders are quite handy tools to have even at home. DIY enthusiasts, masonry and woodworkers find this tool to be of immeasurable value given their versatility and power. 

To help with your search of the best, we have compiled a selection of the most reliable and durable concrete grinders by considering various critical aspects. 

 

Top 7 Best Concrete Grinders To Buy In 2020

 

1) Metabo – 5″ Concrete Renovation Grinder (603825750 19-125 RT) (BEST VALUE)

8.5/10

Key Features

  • No-load speed: 3800-8200
  • Item weight: 12 pounds
  • Protective cover
  • Spring-mounted brush rim

This concrete grinder is the go-to tool for most DIYers and professionals. The tool exhibits a rugged, durable trim that’s sure to cut through almost any wooden, metallic, or masonry material. This is supported by the abrasive grinding blade that cuts through materials like butter.  What’s more, the grinder can operate at different speeds, appropriate for a wide variety of applications.

The grinder also exhibits optimum extraction thanks to the spring-mounted brush rim located next to the protective cover. This cover can adapt to any material and height. The grinder is also excellent for effective spot sanding and concrete removal. This power tool offers great versatility and is one of the many reasons its touted by many woodworkers and masonry. 

When it comes to comfort and user safety, this concrete grinder is remarkable. It comes with a protective cover, which is an excellent addition to protect the operator. This comes in handy, especially when dealing with demanding workloads that might pose a threat to the user. The grinder also comes with fantastic handle ergonomics to reduce operator fatigue. 

Verdict: This is one of the best concrete grinders in the market. It comes with a 1900 wattage and 120 volt, which is adequate to complete most tasks quickly. The tool is available at several retailers and offers the best value on the list.

PROS

  • Different speeds to select
  • It’s durable and ruggedly built
  • Lightweight and compact
  • It’s affordable

CONS

  • Isn’t accompanied by a blade
  • There’s no brake

 

2) DEWALT Angle Grinder (DWE46153) Dust Shroud, 5-Inch (BEST CHEAP PICK)

 

 

8/10

Key Features

  • No-load speed: 11000
  • Item weight: 8.49 pounds
  • Universal vacuum hose connection
  • Tool free wheel removal

This grinding tool does not disappoint, coming with an 11 Amp motor for DC or AC use. The acclaimed tool has an amazing weight/power ratio and it’s among the best in its class. This concrete grinder features a Quick-Change Wheel Release option, allowing blade removal without a wrench.  It’s also ideal for flush edge grinding since the flush grinding door is designed to contain dust in the work area.  

Additionally, the dust shroud collects dust when working on concrete grinding. The universal vacuum hose locks onto the grinder with a click and twist. This eliminates the use of tape to keep the shroud and hose securely connected. The concrete grinder also features a tool-free bail handle that ensures brilliant control when surface grinding.

This ensures that the operator is safe and at the same time reduces user fatigue. The lightweight design makes this tool an excellent choice when handling demanding tasks around the jobsite. The powerful motor supports up to 11,000 strokes per minute. This is perfect for grinding concrete and sharpening other tools. 

Verdict: This handy tool from Dewalt is certainly worth your money. Featured with great handle ergonomics and lightweight design, it’s ideal for clearing any workload. The wrench-free wheel removal is also convenient and an excellent addition to the grinder.

PROS

  • Tool-free wheel removal
  • Excellent control
  • It’s ideal for flush edge grinding
  • Lightweight

 

CONS

  • Might not be suited for mastic profiling
  • Features a plastic design

 

3) Makita GA4530 4-1/2-Inch Angle Grinder

8.7/10

Key Features

  • No-load speed: 11,000 RPM 
  • Item weight: 4.0 lbs
  • Labyrinth construction
  • Double insulated

With an all-ball bearing construction, this concrete grinder features a metallic housing for added durability. The machine bevel gears also offer up to 2x extended lifespan compared to previous designs. And for added comfort, the side handle is positioned at an increased 20° and has two changeable positions for operator convenience. What’s more, the tool is double insulated.

Aside from the small diameter barrel grip (only 2-1/4″), the tool features a powerful 6.0Amp motor to handle demanding tasks. The labyrinth construction is pivotal in protecting and sealing off the motor bearings from debris. This extends the tool’s service. The slide switch has a lock-on feature for added convenience.

This lightweight power tool is suited to handle demanding workloads without tiring the operator. The blade covers a large surface area with one swing and is also used for sharpening. This machine also sports an ergonomic handle design. In return, the operator isn’t affected by vibrations that much. 

This is admittedly one of the best grinding power tools you can buy this year. It’s affordable and easy to use. It’s also durable and an excellent tool for flush edge cutting. The tool is also easy to use thanks to the wrench-free wheel removal feature. 

Verdict: As you scavenge for the best concrete grinders, consider this tool boasting an extended life span thanks to the protective zigzag varnish seals. It also features a metal gear housing for added durability. The tool is also comfortable, thanks to the two-position handle.

PROS

  • Quite affordable and lightweight
  • Long-lasting labyrinth design
  • Ergonomic construction
  • It has double insulation

 

CONS

  • No variable speed and battery
  • Might need different set-up for cutting or grinding

 

4) DEWALT FLEXVOLT 60V MAX Angle Grinder with Kickback Brake Kit, 2 Batteries (DCG414T2)

8.9/10

Key Features

  • Two-stage trigger
  • Brushless motor
  • Electronic brake

When this concrete grinder is compared to the D28144, it supersedes the latter with over 13 Amp of power. This provides powerful and effective grinding as well as cutting. Another reason this is considered the best concrete grinder is the kickback brake, which automatically engages when a stall, pinch, or bind-up is perceived. It engages with full force to reduce the wheel’s movement and shuts the grinder off.  

This grinder comes with a brushless motor design that delivers impressive run-time and performance, especially during challenging applications. The two-stage trigger is an invaluable feature that reduces unintended startups to prevent accidents. What’s more, the grinder adjusts the voltage automatically when the operator changes the tool.

The power concrete grinder also features a flexible wheel capacity. This enables the operator to use different wheels on the same machine. When handling challenging tasks, this feature is convenient and helps in the quick completion of the job. This also makes the tool versatile as it can cut or grind many materials. 

Verdict: Coming with a 4-1/2 to 6″ flexible wheel capacity, this is the best concrete grinder to buy. The electric brake offers halting speeds of up to 1.5s with standard grinding. This tool also features a protective two-stage trigger to counter accidental startups. It’s durable and genuinely offers the best value for money.

PROS

  • Highly flexible wheel capacity
  • Automated brake
  • Impressive run-time
  • Powerful performance

 

CONS

  • Might not be compatible with a 20v battery
  • Finding a shroud fit might be challenging

 

5) Metabo Concrete Grinder US606467800

9/10

Key Features

  • No-load speed: 3800-8200
  • Item weight: 21.6 pounds
  • Mmotor:2400w and 15Amp
  • Auto-stop carbon brushes

This powerful concrete grinder features a 2400-w Metabo 15-amp motor fitted with convenient automatic carbon brushes. The brushes automatically stop for motor protection. This tool is regarded as the best concrete grinder as the grip is adjustable either way through a right angle without any tool. As such, this makes it ideal for left-handed users and jobs that require Cut-Off wheels. 

This tool provides added convenience since the guard can be changed on the collar without any tool. And to prevent the collar from sliding, the wheel guard is secured in place using a lock device. The vibratech (mvt) technology offers vibration reduction by 60% for comfortable handling. Moreover, the Metabo safety switch is designed to prevent accidental startups.

This is admittedly one of the best grinding power tools you can buy this year. It’s affordable and easy to use. It’s also durable and an excellent tool for flush edge cutting. The tool is also easy to use thanks to the wrench-free wheel removal feature. 

Verdict: This state-of-the-art concrete grinder offers the solution to most of your needs. It comes with an mtv feature to mitigate vibration, which protects the user’s health. The main handle swivels to offer better handling and safety when grinding.

PROS

  • Reduced vibration
  • Three-position side handle
  • Highly secure
  • Tool-less adjustable guard

 

CONS

  • With shroud attached it’s difficult to fit the U handle
  • Dust collection shroud might not be as efficient 

 

6) CRAFTSMAN (CMEG100) 4-1/2-Inch angle grinder

8.8/10

Key Features

  • No-load speed: 12,000
  • Item weight: 4.54 pounds
  • Tool-free adjustable guard
  • Powerful performance

When hunting for the best concrete grinder, it is essential to check the motor capacity to determine performance. The CRAFTSMAN small angle grinder sports a high performing 6 Amp 4-1/2″ motor, which delivers up to 12, 000 RPMs. This is excellent for demanding applications. It also features a tool-free guard and supports a 3Position handle that boosts efficiency while handling any workload.

The quick and easy wheel changes ensure that you complete any task with ease. It also has an ergonomic handle design to relive the operator when handling demanding jobs. This machine is lightweight and suitable for moving around while working on different materials. Its powerful performance makes it versatile and usable in a wide variety of applications.

The concrete grinder is fitted with well-contoured handles with overmolds. This provides maximum comfort during use. The grinder also is compatible with the VERSATRACK Wall organization system and comes with a 3-year limited warranty. However, the hook and accessories are sold separately.

Verdict: This is a relatively affordable grinder that works like magic. It comes with convenient features like toolless guards and a contoured overmolded handle for comfortable handling. What’s more, it features a powerful motor to handle demanding applications.

PROS

  • Affordable
  • Lengthy warranty
  • Ergonomic construction
  • Quick and easy wheel changes

 

CONS

  • Might be suitable for light use only
  • Pre-installed software might require an update

 

7) KIMO 20V Brushless Cordless Angle Grinder

8.9/10

Key Features

  • No-load speed: 9000
  • Item weight: 5.3 pounds
  • Brushless motor
  • 26 PCs accessories

This popular tool is the best concrete grinder yet. It offers a robust cordless design that’s irreplaceably convenient when far from a wall outlet. And with no carbon brushes, you can enjoy the 53% longer run-time, thanks to the high-quality magnet and copper design. The grinder is also accompanied by a KIMO Li-Ion battery that’s more powerful and longer-lasting. This will help accomplish more by clearing off workloads faster.

An ergonomic 2 position grip handle counters the powerful battery. This increases comfort and control when grinding metals and concrete at high power. The grip is rubberized with comfortable materials.  What’s more, this Cut-Off tool kit comes with 26 accessories, including a wrench, carrying bag, grinding wheel and many more.

With this power tool, you won’t have to constantly change carbon brushes. The brushless design in this machine is convenient and also increases the run-time. This small concrete grinder can help clear challenging workloads at a faster rate, given it’s two times lighter than most machines. What’s more, it’s available for a broad range of uses and is quite affordable.

Verdict: If you are a DIY enthusiast or an expert concrete grinder, this is the best bargain in the market. It delivers powerful performance and a longer run-time compared to other cordless options. It also comes with a set of 26 accessories, saving you more money. 

PROS

  • Ergonomic and powerful design
  • Extended run-time
  • Longer lasting construction
  • Lightweight and compact

 

CONS

  • The lock-up feature might require an upgrade
  • Not all purchases come with a free battery

 

Final words,

Finding the overall best concrete grinder is a daunting job. As a result, we’ve compiled this list, containing the 7 best selections you can buy this year, including our top pick, Metabo 5″ grinder. 

The Metabo 5” concrete grinder is on top of our list as it features a durable yet aesthetic trim. It’s also powerful and comes with a spring-mounted brush rim that ensures optimum extractions. 

What’s more, it’s accompanied by a protective cover, which ensures your safety. However, you can still try out the DEWALT DWE46153, a lightweight alternative that offers amazingly powerful cuts. With that said, it’s time you proceed to buy the best concrete grinders that will meet your needs.

We would like to know which concrete grinder you went with and how it’s working for you. Do let us know in the comment section below. Cheers!