Best 4 Inch Angle Grinders of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 16, 2026

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4 Inch Angle Grinders are versatile power tools that are commonly used for cutting, grinding, and polishing various materials, including metal, concrete, and tile. They are compact and lightweight, making them easy to maneuver and operate even in tight spaces. Equipped with powerful motors, these grinders can handle tough jobs with ease, providing fast and efficient results. They come with different features and accessories, such as adjustable guards, side handles, and cutting discs, to suit different applications and user preferences. Overall, 4 Inch Angle Grinders are a must-have tool for DIY enthusiasts, hobbyists, and professionals alike.

At a Glance: Our Top Picks

DEWALT Angle Grinder with Paddle Switch Cover #TOP 1
DEWALT Angle Grinder with Paddle Switch
ftb score rating icon 9.9
DEWALT 20V MAX* Angle Grinder Tool Cover #TOP 2
DEWALT 20V MAX* Angle Grinder Tool
ftb score rating icon 9.8
DongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch Cut off Tool Cover #TOP 3
DongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch Cut off Tool
ftb score rating icon 9.6

Top 10 4 Inch Angle Grinders

DEWALT Angle Grinder with Paddle Switch

DWE402
Black
One Size
DEWALT Angle Grinder with Paddle Switch Cover
DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Paddle Switch, Ergonomic Compact Design Grinder Tool (DWE402)

The DEWALT Angle Grinder with Paddle Switch is a powerful tool that provides the best power to weight/size ratio available. Its Dust Ejection System ensures durability by ejecting damaging dust and debris particles that enter the metal grinder. The oversized brushes provide 2 times brush life over the previous model, and the large spiral bevel gear provides long transmission life. The One-Touch Guard allows for 360 degree rotation of the guard with a single action, and the Quick-Change Wheel Release allows tool free wheel removal without the need for a wrench. The uniquely small gripping surface in this power class allows for the best comfort available in this class.

What We Like
Powerful motor performance
Easy tool-less wheel changes
Adjustable 360-degree guard
Comfortable ergonomic design
Durable hard plastic case
#TOP 2

DEWALT 20V MAX* Angle Grinder Tool

DCG413B
Multi
One Size
DEWALT 20V MAX* Angle Grinder Tool Cover
DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/2 Inch, with Paddle Switch and Kickback Brake, Tool Only (DCG413B)

The DEWALT 20V MAX* Angle Grinder Tool is a powerful and reliable tool for grinding and cutting metal. It features a brushless motor that requires no brush changes, a kickback brake that engages when a pinch, stall, or bind-up event is sensed, and an E-Switch Protection that requires two actions to activate the tool. With its lightweight design and long-lasting battery, this angle grinder is perfect for any job.

What We Like
Powerful performance
Convenient cordless design
Easy blade and wheel changes
Lightweight and well-balanced
Good value for money

DongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch Cut off Tool

DSM14-115
Blue
DongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch Cut off Tool Cover
DongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch 11800RPM Power Electric Grinder Tools with Cutting & Grinding Wheels, Flap Discs, Auxiliary Handle for Metal & Rust Removal, Beginner-Friendly

The DongCheng Angle Grinder is a powerful and efficient tool for cutting and grinding wood, metal, and rust removal. Its large paddle switch design ensures safe and easy operation in various positions. The copper wire motor brings 1.5X stronger power and high efficiency, making grinding tasks easier without the risk of burning the tool. With new upgraded bevel helical gears, this angle grinder offers reduced noise and vibration, ensuring long-lasting durability. The integrated spindle lock allows for quick and simple abrasive wheel replacement, while the longer power cord provides a wider working space. The stereoscopic air vent design ensures low noise, smooth ventilation, and fast heat dissipation, improving the grinder's lifespan. The ergonomic design with a compact size and ultra-slim body makes it lighter and more comfortable to use. The safety guard and auxiliary handle enhance stability during work. With high compatibility, this angle grinder accepts a wide range of 4-1/2-inch accessories, making it a versatile tool for various applications. The package includes the angle grinder, grinding wheels, flap discs, cutting discs, auxiliary handle, flange kit, safety guard, spanner wrench, auto-stop carbon brush, warranty card, and user manual.

What We Like
Affordable price
Powerful performance
Comes with accessories
Durable and long-lasting
Comparable to name brands
#TOP 4

DEWALT DCG408B 20V MAX Cordless Grinder

DCG408B
Black, Yellow
One Size
DEWALT DCG408B 20V MAX Cordless Grinder Cover
DEWALT 20V MAX Cordless 4 1/2 Inch Paddle-Switch Grinder, Bare Tool Only (DCG408B)

The DEWALT 20V MAX Grinder offers impressive cordless performance, allowing you to make up to 56 cuts on 1/2" rebar on a single charge, which means you can work longer without interruptions. It features safety enhancements like a Kickback Brake and E-Clutch to protect you from sudden tool kickbacks, keeping your work safer. Powered by a brushless motor, this grinder delivers strong power with up to 850 MWO and spins up to 9,000 RPM, making tough jobs easier to handle. Plus, its lightweight design at just 3.55 pounds helps reduce fatigue, so you can work comfortably for extended periods.

What We Like
Cordless convenience
Reliable performance
Good battery life
Effective with diamond grinders
#TOP 5

DEWALT Angle Grinder with One-Touch Guard

DWE4011
Yellow
Small
DEWALT Angle Grinder with One-Touch Guard Cover
DEWALT Angle Grinder, One-Touch Guard, 4-1/2 -Inch (DWE4011)

The DEWALT Angle Grinder is designed with a 7 amp AC/DC, 12,000 rpm motor, enabling faster material removal and higher overload protection. The One-Touch guard eliminates the need for a tool to adjust the guard location, while the hex wrench replaces the spanner wrench. The Quick-Change wheel release allows tool-free wheel removal without the need for a wrench. The slim, ergonomic body design provides increased comfort in extended use applications, and the 2-position removable side handle provides increased comfort and control. This product runs off of AC/DC power.

What We Like
Strong cutting and grinding power
Reliable DeWalt brand quality
Good value for money
Easy to use and handle
Includes heavy duty grinder wheel

Avhrit 10 Amp 4.5" Angle Grinder

AG041P
Dark Red
Avhrit 10 Amp 4.5" Angle Grinder Cover
Avhrit Angle Grinder 10 Amp, 4-1/2 inch Power Angle Grinder Tools with 13000 RPM, 1200W Small Angle Grinder for Cutting, Grinding, Polishing

The Avhrit Angle Grinder offers powerful performance with its 10 AMP motor, delivering up to 13,000 RPM to easily cut, grind, and polish various materials. Its lightweight, ergonomic design with a side handle ensures you can work comfortably for extended periods without hand fatigue. This tool is versatile, suitable for tasks involving metal, wood, concrete, and more, making it perfect for both home projects and professional jobs. Whether you're a DIY enthusiast or a professional, the Avhrit Angle Grinder provides reliable control and efficiency to help you complete your work with precision.

What We Like
Powerful 10 AMP motor
Lightweight ergonomic design
Versatile material compatibility
Continuous operation switch
#TOP 7

AVID POWER Angle Grinder - Powerful, Ergonomic, and Safe

MW590
4-1/2 inch Wheel
AVID POWER Angle Grinder - Powerful, Ergonomic, and Safe Cover
AVID POWER Angle Grinder, 7.5-Amp 4-1/2 inch Electric Grinder Power Tools with Grinding and Cutting Wheels, Flap Disc and Auxiliary Handle for Cutting, Grinding, Polishing and Rust Removal - Red

The AVID POWER Angle Grinder is a powerful and versatile tool that is perfect for cutting, grinding, polishing, and rust removal. With a 7.5 Amps motor and 900W max output power, this portable grinder can produce a no-load speed of 11000RPM for even the most demanding applications. Its slim, lightweight, and ergonomic design provides better comfort and reduces fatigue during professional cutting and grinding applications. The integrated spindle lock and 2-position auxiliary handle position make it easy to use and control, while the protective cover ensures safety during use. The package includes two metal grinding wheels, two cutting wheels, one side handle, one spanner, one flap disc, and a user manual.

What We Like
Great value for the money
Versatile with a variety of attachments
Easy to use
#TOP 8

DEWALT Angle Grinder Tool

DWE43116
Multi
One Size
DEWALT Angle Grinder Tool Cover
DEWALT Angle Grinder Tool, 4-1/2-Inch to 5-Inch, Trigger Switch (DWE43116)

The DEWALT Angle Grinder Tool (DWE43116) is a powerful and reliable tool for grinding and cutting metal. It has a 13-amp motor and a 9,000 RPM rating, and its Dust Ejection System ensures durability by ejecting damaging dust and debris particles. It is suitable for a variety of tasks, from cutting and grinding to polishing and sharpening, and is easy to use with its ergonomic design and lightweight body. Customers have praised its performance and reliability, making it a great choice for professionals and DIYers alike.

What We Like
Powerful performance
Versatile disk sizes
Ergonomic design
Durable build quality
Excellent for heavy-duty use

AOBEN Cordless Angle Grinder 4-1/2 inch

AT102D-115
AOBEN Cordless Angle Grinder 4-1/2 inch Cover
AOBEN Cordless Angle Grinder 4-1/2 inch, 21V Battery Grinder Tool, Power Electric Grinders, Brushless Motor, 2x4.0Ah Battery & Charger, for Cutting, Grinding, Polishing

The AOBEN Cordless Angle Grinder is designed to make your projects easier and more efficient. With its brushless motor, you can enjoy longer tool life, greater power, and reduced energy consumption. The three variable speed settings, reaching up to 9500 RPM, allow you to tackle various tasks like grinding, cutting, and polishing with precision. Plus, the included 21V 4.0Ah battery ensures you can work continuously without worrying about cords. The two protective wheel guards enhance safety by shielding you from sparks and debris during operation, making your work environment safer and more comfortable.

What We Like
Long-lasting brushless motor
Three adjustable speed settings
Two powerful battery packs
Enhanced safety features
#TOP 10

Angle Grinder Brushless fit DEWALT 20V Battery, 6 Variable Speed Power Grinder 4-1/2" Cordless

30-US-WT8633-02
Ye+black 1
Angle Grinder Brushless fit DEWALT 20V Battery, 6 Variable Speed Power Grinder 4-1/2" Cordless Cover
Angle Grinder Brushless fit DEWALT 20V Battery, 6 Variable Speed Power Grinder 4-1/2" Cordless, with 5 Cutting Wheels, 3 Grinding Wheels, 3 Flap Discs, For Cutting Grinding Polishing (Tool Only)

Features
[Compatible With Dewalt Batteries] Not Include Battery And Charger!!! VERVEWAV Cordless Angle Grinder Compatible With DEWALT 20V Lithium-Ion Batteries, For DCB200 DCB201 DCB203 DCB204 DCB205 DCB206 DCB207 DCB208 DCB210 DCB230 DCB240, Etc;Allowing Users Who Already Own DEWALT 20V MAX To Better Manage Battery And Charger, And Provide Better Performance
NOTICE: Battery DO NOT Include ! ! ! Angle Grinder Tool Only ! ! ! The Wrench Is Stored Inside The Side Handle
[Upgraded Brshless Motor] The Cordless Grinder Brushless Motor Delivers Up To 8500 RPM For Metal Grinding, Rust Removal, Metal/steel Cutting, Metal Polishing And Many Other Applications; Longer Service Life, More Power, Less Battery Power Loss, Quieter Machine Operation And Safer Working Environment
[Safe And Quick Change] The Soft Start And Power Failure Protection To Prevent Accidents And Ensure User Security, It Will Stop In 1.5 Seconds After You Release The Power Switch; To Change The Grinding Wheel, You Just Simply Long Press The Spindle Lock Button And Use The Supplied Wrench To Tighten Or Loosen It
[Ergonomic Grip & Lock Swtich] The Ergonomically Designed Comfort Body Grip Improves Comfort And Control; 3-Position Non-Slip Auxiliary Handle For Both Right And Left-Handed Users Provides Stability And Support; The Lock Switch Is Safer Than A One-Touch Button Switch, Prevents User From Forgetting To Turn Off The Machine When The Battery Runs Out And Suddenly Starts The Machine The Next Time It Is Used
[Cool And Clean Work] Three-Dimensional Vent Design Provides Strong Heat Dissipation, Continue To Work For A Day Without Scalding, So That Long Working Hours Can Also Enjoy A Cool And Pleasant Experience, And Prevent Dust From Entering The Product Surface And Internal Space, Protect The Motor And Prolong The Use Of Time
[6 Variable Speed] Our Battery Powered Angle Grinders Are Available In 6 Speeds From 3000 RPM To 8500 RPM; You Can Choose The Right Gear For Different Work Requirements; 5-6 High Speeds Are For Fast Cutting And Rough Grinding, 3-4 Speeds Are For General Sanding And Finishing, And 1-2 Low Speeds Are For Fine Sanding And Working With Special Materials
Buying Guide Image
Editor's Notes

During our 4 inch angle grinder research, we found 24 4 inch angle grinder products and shortlisted 10 quality products. We collected and analyzed 109,265 customer reviews through our big data system to write the 4 inch angle grinders list. We found that most customers choose 4 inch angle grinders with an average price of $83.17.

The 4 inch angle grinders are available for purchase. We have researched hundreds of brands and picked the top brands of 4 inch angle grinders, including DEWALT, Dong Cheng, Avhrit, AVID POWER, AOBEN. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

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.