Best Variable Speed Angle Grinders of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 5, 2025

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Variable speed angle grinders are versatile and powerful tools that are widely used in the construction and metalworking industries. They are designed to handle a variety of tasks, from cutting and grinding to polishing and sanding, making them an essential tool for professionals and DIY enthusiasts alike. With their adjustable speed feature, users can easily control the speed of the tool, allowing for greater precision and accuracy in their work. Additionally, these grinders are available in a range of sizes and power levels, making it easy to find the perfect tool for any job.

At a Glance: Our Top Picks

AVID POWER 4-1/2 Inch Angle Grinder Cover #TOP 1
AVID POWER 4-1/2 Inch Angle Grinder
ftb score rating icon 9.8
BOSCH Angle Grinder with Paddle Switch Cover #TOP 2
BOSCH Angle Grinder with Paddle Switch
ftb score rating icon 9.7
DEWALT 5-Inch Brushless Paddle Switch Angle Grinder Cover #TOP 3
DEWALT 5-Inch Brushless Paddle Switch Angle Grinder
ftb score rating icon 9.5

Top 10 Variable Speed Angle Grinders

AVID POWER 4-1/2 Inch Angle Grinder

AG640
AVID POWER 4-1/2 Inch Angle Grinder Cover
AVID POWER Angle Grinder 4-1/2 Inch 8.0 Amp 1000W Electric Grinder Tool 7-Variable-Speed Metal Grinder, 11,500 RPM, Paddle Switch with Lock-on Button, Cutting & Grinding Wheels and Side Handle

The AVID POWER Angle Grinder is a versatile tool designed for your cutting and grinding needs. With its powerful 1,000W motor and seven adjustable speeds, you can easily tailor the performance to suit various tasks, from metal cutting to grinding. The convenient paddle switch with a lock-on feature enables you to work continuously without straining your hand. This grinder also prioritizes safety with a protective wheel guard and an extended body that keeps the cutting wheel at a safe distance from you. Additionally, a non-slip grip reduces vibration, ensuring a more comfortable experience while you work.

What We Like
Powerful motor
Adjustable speed settings
Safe and comfortable design
Easy wheel replacement

BOSCH Angle Grinder with Paddle Switch

GWS13-50VSP
Clear
BOSCH Angle Grinder with Paddle Switch Cover
BOSCH GWS13-50VSP 5 Inch 13 Amp Angle Grinder Variable Speed with Paddle Switch

The BOSCH GWS13-50VSP 5 In. Angle Grinder Variable Speed with Paddle Switch is a versatile tool that provides multiple, comfortable grip positions with its paddle switch. This angle grinder has a powerful motor of 13 amps and up to 11,500 rpm, which makes it suitable for a variety of applications. With its variable-speed setting, you can match the speed to your specific application, ranging from 2,800 rpm to 11,500 rpm. The carbon brushes of this angle grinder are more durable than previous-generation brushes, and the direct-motor cooling ensures higher overload capabilities. Its voltage is 120.00, and it is made of plastic.

What We Like
Powerful motor suitable for a variety of applications
Variable-speed setting allows you to match the speed to your specific application
Durable carbon brushes and direct-motor cooling for higher overload capabilities
#TOP 3

DEWALT 5-Inch Brushless Paddle Switch Angle Grinder

DWE43214NVS
Multi
One Size
DEWALT 5-Inch Brushless Paddle Switch Angle Grinder Cover
DEWALT Angle Grinder Tool 5-inch, Variable Speed, Paddle Switch (DWE43214NVS)

The DEWALT 5-Inch Brushless Paddle Switch Angle Grinder with Kickback Brake, No-Lock, Variable Speed is a versatile tool that can adjust wheel speed for applications as needed. The brushless motor eliminates the need for brush changes and the brake stops the wheel in 2 seconds or less on average. The electronic Kickback Brake provides maximum force to quickly stop the wheel and shut off the motor in case of a pinch, stall, or bind-up event. The tool also features a POWER-LOSS RESET and LANYARD READY integrated attachment point.

What We Like
Variable speed functionality for customized applications
Brushless motor eliminates the need for brush changes
Electronic Kickback Brake for maximum force and quick shutdown
POWER-LOSS RESET to restart the tool in the event of an unexpected shut down
LANYARD READY integrated attachment point for added safety
#TOP 4

SHALL Angle Grinder Tool 7.5Amp 4-1/2 Inch

SHALL
SH111010AE
Variable-Speed
SHALL Angle Grinder Tool 7.5Amp 4-1/2 Inch Cover
SHALL Angle Grinder Tool 7.5Amp 4-1/2 Inch, 6-Variable-Speed Grinders Power Tools, Electric Metal Grinder 12000 RPM w/ 2 Safety Guards, Cutting Wheels, Flap Discs, Non-Slip Handle for Metal/Wood

The SHALL Angle Grinder Tool with its 7.5 Amps motor and 900W maximum power output is capable of producing a no-load speed of 12000RPM, giving it fast cutting, grinding & polishing capacity. The 6-speed dial allows for variable speed adjustment between 3000 RPM and 12000 RPM, and the 2 different types of Tool-Free wheel guards provide safety during use. Its ergonomic design and lightweight body make it comfortable to use for prolonged periods. This electric metal grinder is efficient and ideal for cutting, grinding, polishing, buffing, sharpening, removing dust, and surface preparation.

What We Like
Powerful 7.5 Amps motor with a maximum power output of 900W
6-variable speed dial allows for flexible usage
2 different types of Tool-Free wheel guards provide safety during use
Ergonomic design and lightweight body for comfortable long-term use
Efficient and ideal for a wide range of applications

Milwaukee M18 Variable Speed Braking Grinder

2889-20
Milwaukee M18 Variable Speed Braking Grinder Cover
Milwaukee 2889-20 M18 4-1/2" - / 5" Variable Speed Braking Grinder (Bare Tool)

The Milwaukee M18 Variable Speed Braking Grinder provides exceptional control with 5 speed settings ranging from 3,500 RPM to 8,500 RPM. Its brake can stop most wheels in less than 2 seconds, ensuring your safety. The slide switch is designed to reduce user fatigue, and the tool-free guard adjustment allows for faster guard installations and adjustments. The integrated FIXTEC nut technology enables tool-free accessory changes, making your job easier and more efficient. This bare tool is an excellent addition to Milwaukee's battery-powered grinder lineup, generating 11A Corded Power.

What We Like
Variable speed control for greater precision
Quick brake feature enhances safety
Tool-free accessory changes for convenience and efficiency
Slide switch designed to reduce user fatigue
Tool-free guard adjustment for faster guard installations and adjustments
#TOP 6

Bosch GWX13-50VSP-RT X-LOCK 5 in. Angle Grinder

GWX13-50VSP-RT
White,brown
5 In.
Bosch GWX13-50VSP-RT X-LOCK 5 in. Angle Grinder Cover
Bosch GWX13-50VSP-RT X-LOCK 5 in. Variable-Speed Angle Grinder with Paddle Switch (Renewed)

The Bosch GWX13-50VSP-RT X-LOCK 5 in. Angle Grinder is a powerful tool designed with the X-LOCK mount and a 13-amp motor, capable of producing up to 11,500 rpm. Its X-LOCK wheel change feature allows for quick and easy wheel replacement, up to five times faster than traditional grinders. With its tool-free disc swap, you can mount the wheel without the need for additional tools, eliminating the risk of losing parts. The variable-speed setting of 2,800 to 11,500 rpm allows you to match the speed to your specific application. This angle grinder also features epoxy-coated field windings that protect the motor from dust and debris, extending its lifespan. The spiral bevel gears ensure smooth power transmission, while the directed air flow keeps the key components cool. The Vibration Control auxiliary handle provides improved comfort and control, and the adjustable tool-free guard allows for flexibility in working angles.

What We Like
Powerful grinder design
X-LOCK wheel change
Tool-free disc swap
#TOP 7

Hoteche 4-1/2" Electric Angle Grinder

P800421A
Blue
Hoteche 4-1/2" Electric Angle Grinder Cover
Hoteche 4-1/2" Electric Variable Speed Angle Grinder 6.5AMP P800421A

The Hoteche Angle Grinder is designed for convenience and efficiency. It features a durable ball bearing motor and an aluminum gear housing, which ensure long-lasting performance. The variable speed switch allows you to adjust the speed from 3,000 to 11,000 RPM, enabling you to select the right speed for various tasks. The convenient switch includes a lock-on button, so you can operate it continuously without needing to hold the switch down. Additionally, the spindle lock makes changing the wheel quick and easy, saving you time and effort during your projects.

What We Like
Durable motor and housing
Variable speed control
Convenient lock-on switch
Easy wheel changes
#TOP 8

BOSCH GWS13-50VS 5" Angle Grinder

GWS13-50VS
BOSCH GWS13-50VS 5" Angle Grinder Cover
BOSCH GWS13-50VS High-Performance Angle Grinder, 5"

The BOSCH GWS13-50VS is a high-performance angle grinder that features a powerful 13-amp motor with up to 11,500 rpm. It also comes with a variable-speed setting that allows you to match the speed to the application, making it versatile and convenient to use. Its direct-motor cooling feature ensures higher overload capabilities, while the constant electronics ensure level operation and reliable speed under load. The grinder is also designed with user comfort in mind, featuring a two-position vibration control side handle and an integrated acceleration sensor to mitigate inadvertent recoil. Additionally, the tool has directed air flow to divert dust from vital components and restart protection to guard against unintended startup. Lastly, the adjustable guard provides advanced user protection and is toolless, making it easy to adjust as needed.

What We Like
Powerful 13-amp motor with up to 11,500 rpm
Variable-speed setting to match speed to application
Direct-motor cooling for higher overload capabilities
#TOP 9

OUBA Cordless Angle Grinder 20V

Angle Grinder
Yellow 1xbattery
OUBA Cordless Angle Grinder 20V Cover
OUBA Cordless Angle Grinder Compatible for Dewalt battery 20V Power Angle Grinder 4.0Ah, Metal Grinder with LED, 6 Variable Speed, 4-1/2" Cutting Wheel, Flap Disc for Cutting, Polishing, Yellow

The OUBA Cordless Angle Grinder is designed for both indoor and outdoor use, freeing you from the hassle of tangled cords. Its powerful 20V brushless motor can reach speeds of up to 9000 RPM, making it ideal for tasks like metal grinding and polishing. You’ll appreciate the six variable speed settings, allowing you to tailor the tool's performance to your specific needs for greater accuracy. Additionally, the included angle grinder stand ensures stable and precise cuts, enhancing your overall work quality.

What We Like
Cordless convenience
High-speed performance
Variable speed options
Stable cutting support
#TOP 10

Hoteche 10AMP Electric Angle Grinder

P800426A
Green
Hoteche 10AMP Electric Angle Grinder Cover
Hoteche 4-1/2" 5" Electric Variable Speed Angle Grinder 10AMP P800426A

The Hoteche Angle Grinder is designed for versatility and ease of use. Its ball bearing motor and aluminum gear housing ensure durability and smooth operation. With a convenient switch featuring a lock-on button, you can work continuously without strain. The spindle lock allows for quick and easy wheel changes, saving you time during tasks. The variable speed switch gives you control over the grinder's speed, making it suitable for a variety of applications, whether you need precision or power. This flexibility enhances your overall experience and efficiency while working.

What We Like
Durable construction
Easy wheel changes
Variable speed control
Convenient lock-on switch
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is a variable speed angle grinder worth it?

Yes, a variable speed angle grinder is worth it, especially when using accessories like backing pads for sanding discs. It allows for greater control and versatility in different applications. The high operating speeds of angle grinders are ideal for cutting or grinding metal, but the ability to adjust the speed allows for more precision and better results in various tasks.

2. Do angle grinders have adjustable speed?

Yes, some angle grinders have adjustable speed settings. For example, the Angle Grinder with Paddle Switch offers a lower variable-speed setting of 2,800 RPM, allowing the user to match the speed to the specific application. This feature enhances user control and comfort during operation.

3. Is there a variable speed grinder?

Yes, there are variable speed grinders available in the market. One example is the SHALL Angle Grinder Tool, which offers 6 variable speed settings and a maximum speed of 12,000 RPM. These variable speed grinders provide flexibility and allow users to adjust the speed according to their needs and the requirements of the task at hand.

4. What are the advantages of a variable speed angle grinder?

The main advantage of a variable speed angle grinder, particularly for wood applications, is the ability to slow down the wheel or blade. This allows for greater control, reduces burning of the wood, and minimizes the risk of damaging the material. With a variable speed grinder, you can adjust the speed to match the specific requirements of the task, resulting in better precision and improved overall performance.

5. What is the best speed for an angle grinder?

The best speed for an angle grinder depends on the size of the grinder. Generally, the speed should be between 7,000 and 11,000 RPM, which is usually the maximum operating speed of the machine. It is important to refer to the manufacturer's guidelines and recommendations to ensure safe and effective use of the angle grinder.

6. What are the disadvantages of an angle grinder?

Angle grinders can be potentially dangerous power tools. They can cause severe cuts due to kickbacks. There is also a risk of discs shattering or disintegrating, which can produce fragments that may cause injury, especially to the eyes or other parts of the body. Proper safety precautions and protective gear, such as goggles and gloves, should always be used when operating an angle grinder.

7. What is the best RPM for a grinder?

The ideal RPM for a grinder depends on various factors, and there is no one-size-fits-all answer. However, in general, if the RPM is less than 300, there will be no production and fineness. On the other hand, if the RPM is more than 800, it can cause overheating and burning of the material being ground. The best RPM range would vary depending on the specific grinder and the material being worked on.

Editor's Notes

During our variable speed angle grinder research, we found 24 variable speed angle grinder products and shortlisted 10 quality products. We collected and analyzed 9,121 customer reviews through our big data system to write the variable speed angle grinders list. We found that most customers choose variable speed angle grinders with an average price of $157.49.

The variable speed angle grinders are available for purchase. We have researched hundreds of brands and picked the top brands of variable speed angle grinders, including AVID POWER, Bosch, DEWALT, SHALL, Milwaukee. The seller of top 1 product has received honest feedback from 1,689 consumers with an average rating of 4.8.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.