Top 4 Best Angle Grinder Reviews Of 2021

Angle grinders are versatile tools that rarely miss in a welding workshop. This is what you need to smooth a weld, grind grooves, or remove rust from metal. The best angle grinder should have attributes like safety, power, durability, and precision. If you’re ready to add grinders to your power tool collection, we’ve selected the best models for you.

Read on.

01. DEWALT DWE402 Angle Grinder Tool

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This is a powerful tool that navigates precision work with ease. It features a compact design to fit into tight spaces. The grinder comes with 11 Amp 11,000 rpm motor making it the best grinder with the perfect size to weight ratio. And because it’s lightweight, this unit can be used in overhead applications. But what makes this the best angle grinder is that you can use it to work for a long period.

Unlike the outgoing model, the grinder comes with oversized brushes and has large spiral bevel gear for long transmission life. The top has a spindle button that helps to maximize the depth of the cut. When the tool is not in use, the bushes will shut down the unit.

Dust injection system

It protects the motor from damage when used for a long time.

 Safety lock

It prevents accidental startup when the tool is used for a long time.

 One-touch guard

It allows for 360-degree rotation and a quick change of wheel. The matching wheel allows you to use different accessories.


  •  Comes with a case
  •  The brushless motor ensures durability
  •  Outstanding power-to-weight ratio
  •  Ergonomic design guarantees exceptional drilling experience


  •  The high level of power is not the best for beginners


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02. DEWALT DW840K Angle Grinder Tool Kit

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The DW840K model features a 13.0 Amp and 8000 RPM motor that provides high speed in different grinding applications. Because of the high power ratio, this tool gives greater efficiency and reduces user fatigue. It’s the best tool for tradesmen and homeowners tackling heavy jobs.

The first thing you’ll note is the remarkable power to weight ratio. And given the compact size, this can be the perfect tool to work in tight spaces. This can be a big advantage for anyone working for long periods.

To ensure user comfort, this model comes with an agronomic handle. Finally, the roller bearings allow for extended motor life while the spindle lock button guarantees easy bit changes. The package comes with a wrench, grinding wheels, a 2-position side handles, a 120-inch cord, and an adjustable guard.

The grinder comes with a clever system that disengages the motor to prevent damage to the disc. This is an important feature when cutting materials that can make the disc to snag or bite materials. If you’re not careful, this can cause serious damage.

Dewalt has stood with the belief of producing quality products. They offer a 90-day money-back guarantee – if anything fails within this period, the unit can be exchanged without any question asked.

 Dust collection system

It eliminates harmful dust from reaching the motor. Also, it keeps hot debris away from the hands of the user. This is a time-saving feature that many people will appreciate.

 Keyless adjustable guard

It provides tool-free adjustments to increase productivity.

External brush caps

They allow for easy servicing and protect the roller bearings.

 Tool-less disc Change

If you’re a heavy user, you just press a lock button to change the disc. This feature is attractive to people who use the grinder every day – it can be tedious if you keep fiddling the grinder every time.


  •  The lock-on switch allows for prolonged use
  • The dust ejection system protects the motor
  •  It’s comfortable and well-balanced


  •  Doesn’t come with a sturdy carrying box

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

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The 1375A model comes with a powerful 6.0 motor that generates power the whole day. This is the best angle grinder for plumbers, vehicle fabricators, metal workers, and other professionals. The package comes with an angle grinder, flange kit, auxiliary handle, spanner wrench, and abrasive grinding wheel.


This model features a well-designed grip, two-position side handle, lock-on handle switch – it’s a workhorse that can get any job done. The grinder weighs 3.75 Lbs. which is great for users who want to work for a prolonged period.

Another great feature is the side lock switch. It’s designed to endure the rigors of the day with limited maintenance. The spindle (5/8 to 11-inch) allows for the mounting of popular accessories and quick wheel changes.


Bosch is fitted with an efficient motor and has an operating speed of 11,000 rpm.

Protection from debris

This model features epoxy-coated field windings to protect the tool from dust and other debris. Bosch comes with a sealed switch to prolong the life of the tool. Also, the grinder has a burst protection guard to ensure user security.


  • The minder brushes allow for preventive maintenance
  •  The two-position handle adds to the user comfort
  • Durable construction
  •  Lightweight and compact


  • The on and off switch are not conveniently located

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04. Makita XAGO9Z 18V Cordless Angle Grinder


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Makita angle grinder is designed to deliver unmatched performance. It comes with a brushless motor for increased power and speed. This is the best tool to use in demanding work applications. The XAGO9Z model is ideal for cutting, grinding, and sanding. It can be used in a wide range of materials like pipes, concrete, tiles, and more.

For optimal performance, this machine features a unique technology of adjusting the torque and speed. There’s also an electric brake that stops the wheel. And upon the release of a switch, the wheel will stop just two seconds.


Makita has the largest tool powered by an 18-V lithium-ion battery. It allows for fast charging times so you won’t spend more time sitting on the charger. You should expect to get 50% more run time than other grinders in the category. But that’s not all.

The XAGO9Z model allows for efficient power management. For instance, the over-discharge protection system stops the tool when the battery capacity is low. Still, the overheat protection monitors the temperature of the battery and allows it to stop before it gets damaged.


  •  The battery allows for over-discharge protection, overheat protection, and overload protection
  •  The automatic speed change ensures optimal performance
  •  The electric brake stops the wheel in seconds
  •  Comes with a powerful brushless motor


  •  It doesn’t come with the charger

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The above grinders will give the best bang for your buck. They offer superb performance and excel when it comes to ergonomics. The build quality makes these tools a reliable workhorse for any site job.

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