Top 10 Best 4 inch grinder in 2026

Last Updated - 6/9/2026

🏆Best Choice

DEWALT

DEWALT Angle Grinder, 4.5 Inch, 11 Amp, With Paddle Switch (DWE402)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Next Generation 11 Amp AC/DC 11,000 RPM motor of angle grinder provides the best power to weight/size ratio available
•Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the metal grinder
•Oversized brushes of this DEWALT angle grinder provide 2 times brush life over previous model (D28402)
•Large spiral bevel gear provides long transmission life
•One-Touch Guard allows for 360 degree rotation of the guard with a single action
•Quick-Change Wheel Release allows tool free wheel removal without need for a wrench
•Top mounted and protected spindle lock button maximizes depth of cut without comprimising durability
•Uniquely small gripping surface in this power class allows for the best comfort available in this class
•Newly designed side handle provides excellent ergonomics while oversized threading provides durability
•Auto-off brushes shut the tool down when the brushes need replacing to avoid tool damage
•11 Amp AC/DC 11,000 rpm motor which provides the best power to weight/size ratio available
•Dust Ejection System provides durability by ejecting damaging dust and debris
•Quick-Change ™ Wheel Release allows tool free wheel removal

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$98.27

$119.00

-17%

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WEN

WEN 944 7-Amp Angle Grinder, 4-1/2", Grey,black,orange

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•7-amp motor generates up to 11,000 RPM
•Lightweight design combined with the rubber grip lining for maximum comfort
•Arbor adapter allows grinding wheels with both 5/8 and 7/8-inch arbors
•Reversible handle can be attached to either the left or right-hand side of the grinder
•Backed by a two year warranty

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$24.24

$34.99

-31%

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SHALL

7.5Amp 4-1/2 Inch 12000 RPM Angle Grinder with 2 Guards, 3 Cutting Wheels, 3 Discs, Non-Slip Handle and Carbon Brush for Metal and Wood

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Note: There are 3 cutting discs wrapped in the clear plastic film, pls tear off the film to take them out.
•Super Power : Equipped with a 7.5 Amps motor along with a 900 W maximum power output, the unique power output of this 4-1/2 angle grinder can produce a no-load speed of 12000 RPM, giving it fast cutting and grinding capacity
•Safety & Convenience Design : It comes with 2 different types of Tool-Free wheel guards specifically designed to protect the users during cutting and grinding; Additionally, the slide switch has a lock-off/on feature for easy operation and the raised spindle lock makes it easy and safe to change its accessories
•Compact & Lightweight : Narrow and lightweight body at just 3.7 pounds gives the grinders power tool a comfortable grip that makes users encounter less fatigue even in prolonged use
•Ergonomic Design : The angle grinder has an ergonomic 2-position side handle made of non-slip rubber which gives you added control and comfort for different angles and materials; The slide switch designed in the middle is friendly to both left and right hands
•Universal Size : This 4-1/2 inch grinder tool has a 7/8” arbor with a spindle size range of 5/8” -11 threaded
•Components Included : An angle grinder, 2 x Wheel guards, 3 x Cutting wheels, 3 x Flap discs (60 grit), 1 x Side handle and 2 x Carbon brushes; With 2 extra carbon brushes, it gives twice the motor life over others
•Wide Application : The electric metal grinder features efficient vent system and dust ejection; Ideal for cutting, sharpening, removing dust and surface preparation

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$33.24

$34.99

-5%

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DEWALT

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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•7 amp AC/DC, 12,000 rpm motor of the angle grinder is designed for faster material removal and higher overload protection
•One-Touch guard of the metal grinder eliminates the need for a tool to adjust the guard location.
•Hex wrench replaces spanner wrench of DEWALT angle grinder - hex wrench can be found in most tool boxes
•Quick-Change wheel release allows tool-free wheel removal without the need for a wrench
•2-position removable side handle provides increased comfort and control
•Slim, ergonomic body design provides increased comfort in extended use applications
•5/8-inch 11 spindle thread accepts a wide range of 4-1/2=inch accessories
•Replaces D28110
•This product runs off of AC/DC power

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$88.43

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Dong Cheng

DongCheng 9.2 Amp Power Angle Grinders, 4-1/2 in., 11800RPM, Tool-Free Guard, Electric Metal Grinder Tool, Small Corded Angle Grinder, Paddle Switch, Shockproof Handle for Cutting, Grinding, Polishing

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Super Power Motor: Corded Electric angle grinder features a powerful 9.2 AMP copper motor with 11,800 RPM for multiple cutting and grinding applications.
•Handy Design: 4.2lb lightweight, with 59mm thin & compact grip design and shock-proof handle to reduce vibration for long-time use of both hands.
•No Lock-on Paddle Switch: Avoids accidental start for user protection with two stage power lock-off switch to start the power angle grinder.
•Tool-Free Guard: Angle grinder cut off tool with tool-free guard, allows for 360° rotation adjustment or change of the guard with fast action.
•Reliability: Air vents design provides predominant abilities of heat dissipation & dust-proof, Heat-treated gears with spiral design makes better strength and higher durability.
•Wide Compatibility: Angle grinder tool fits most 4-1/2-inch (Spindle Thread: 5/8"-11) US Specification accessories, such as cutting wheels, diamond blades, grinding discs, and flap discs.
•What's Included: 1 x 9.2 AMP angle grinder, 2 x 4-1/2-inch grinding wheels, 2 x 4-1/2-inch flap discs, 2 x 4-1/2-inch cutting discs, 1 x 2-position handle, 2 x flange kits, 1 x safety guard, 1 x wrench, 1 x pair of auto-stop carbon brushes, 1 x warranty card, and 1 x user manual.

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$47.99

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DEWALT

Black & Decker DW4419 1/4" Thick Grinding Wheel with 4" Diameter and 5/8" Arbor

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•This is an O.E.M. authorized part
•Fits various BLACK AND DECKER models
•OEM Part Number DW4419

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$2.14

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Lighter Locators

4 inch grinder for herbs and spices. Low Profile 1" Tall Design. Metal 4" shredder has Sharp Metal Teeth & are easier to turn. Four inches large capacity zinc grinder with 3 layers.

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•DURABLE CONSTRUCTION
•RAZOR-SHARP TEETH
•LOW-PROFILE DESIGN
•EASY TO TURN
•KEEP FLAT WHEN TURNING

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$19.99

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DEWALT

DEWALT Angle Grinder Tool, 4-1/2-Inch, Paddle Switch, 7-Amp (DWE4012)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•7.5 amp AC/DC, 12,000 rpm motor of the angle grinder is designed for faster material removal and higher overload protection
•One-Touch Guard of the metal grinder allows for a single action to adjust the guard. No buttons or levers, just turn the guard to position it.
•Hex wrench which can be found in most tool boxes replaces spanner wrench of DEWALT angle grinder
•Low profile, jam-pot gear case increases durability and allows tool to fit into tight spaces
•Quick-Change wheel release allows tool-free wheel removal without the need for a wrench
•2-position removable side handle provides increased comfort and control
•Slim, ergonomic body design provides increased comfort in extended use applications
•5/8-inch 11 spindle thread accepts a wide range of 4-1/2-inch accessories
•This product runs off of AC/DC power

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$88.98

$99.00

-10%

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Makita

Makita GA4030 4-Inch Angle Grinder,Blue

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Powerful 6.0 AMP motor delivers 11,000 RPM for the most demanding applications
•Compact design at only 3.7 lbs. for reduced operator fatigue
•Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life
•Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life
•Makita GA4030 4" Angle Grinder

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$79.00

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PORTER-CABLE

PORTER-CABLE Angle Grinder Tool, 4-1/2-Inch, 7.5-Amp (PC750AG)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Durable 7.5-amp motor of the angle grinder powers through jobsite tasks with ease
•Cast metal gear housing increases jobsite durability and tool longevity of the metal grinder
•3-position adjustable side handle of hand grinder allows greater control in multiple positions
•Soft grip handle improves user comfort and control
•Spindle lock feature allows for single wrench bit changes

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$68.99

$79.00

-13%

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Our team evaluates this data alongside genuine user feedback, merging AI analysis with human insights to provide you with real-time, highly-rated recommendations that empower your decision-making with clarity and confidence.