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Best Cordless Angle Grinders
top picks
Ranking
What’s in the Toolbox
tool
Good Points
tool overVIEW
DEWALT (DCG413B) BEST CORDLESS ANGLE GRINDER OVERALL
The DEWALT Cordless Angle Grinder (DCG413B) represents a leap forward in convenience and efficiency eliminating the need for time consuming brush changes while ensuring an extended motor lifespan. This tool boasts a high level of user protection incorporating innovative features such as a rapid brake system that halts the wheel’s rotation in two seconds or less. Employing the Kickback Brake mechanism it applies maximum force to promptly stop the wheel in scenarios involving pinching, stalling or binding thereby minimizing the risk of kickback. Additionally, in such situations the grinder automatically shuts off to provide further safety measures for the operator.
For those confronting demanding grinding tasks, the 20V MAX XR® 115mm (4-1/2”) Paddle Switch Small Angle Grinder with KICKBACK BRAKE™ stands as a reliable solution. Equipped with E-SWITCH PROTECTION™ it ensures continued operation in the event of a power outage or unexpected shutdown, safeguarding against interruptions and potential damage. Powered by a robust brushless motor this grinder seamlessly integrates into the extensive 20V MAX system offering versatility and compatibility across a range of applications.
features
DEWALT (DCG413B) BEST CORDLESS ANGLE GRINDER OVERALL
tool overVIEW
BOSCH (GWS18V-8B15) BEST CORDLESS ANGLE GRINDER RUNNER UP
The BOSCH Cordless Angle Grinder (GWS18V-8B15) represents the peak of ergonomic design in angle grinders seamlessly blending portability, performance, and user comfort. Powered by a brushless motor it delivers an impressive 8.0 Amps of power while ensuring enhanced efficiency thereby optimizing both runtime and productivity. This 115mm (4-1/2”) 18V grinder is equipped with a suite of safety features including restart protection which prevents accidental start-up during battery changes and soft-start technology, mitigating startup torque for smoother cuts. In addition, overload protection is integrated to minimize the risk of motor overload or overheating ensuring longevity and reliability.
Crafted with precision, the BOSCH (GWS18V-8B15) incorporates spiral bevel gears that facilitate the seamless transmission of power to grinding applications enhancing overall performance. Its design features an adjustable tool-free guard and an updated gearhead mounting collar now compatible with all Bosch metal and concrete guards offering versatility and ease of use. This tool prioritizes user comfort with a two-position side handle, slim soft-grip design and spindle lock enabling effortless operation even during prolonged use. The kit includes the next-gen CORE18V® 4.0 Ah Advanced Power Battery boasting twice the runtime compared to the previous generation BAT612 2 Ah battery ensuring uninterrupted performance for extended periods.
features
BOSCH (GWS18V-8B15) BEST CORDLESS ANGLE GRINDER RUNNER UP
tool overVIEW
CRAFTSMAN (CMCG451B & CMCB204-2CK) BEST CORDLESS ANGLE GRINDER ON A BUDGET
Introducing the CRAFTSMAN Cordless Angle Grinder (CMCG451B & CMCB204-2CK) with a V20 grip style and operating at a voltage of 20V DC. This versatile tool is meticulously engineered to deliver exceptional performance across a range of applications. Equipped with a robust brushless motor it ensures both efficiency and durability while its cordless design offers unparalleled freedom of movement on the job site.
Designed with the user in mind this angle grinder features a comprehensive array of safety enhancements including a 3-position side handle for optimal control and comfort during operation. The quick guard adjustment mechanism allows for swift and hassle-free modifications to accommodate various grinding tasks. With a paddle switch and lock-off switch, safety is further prioritized, preventing inadvertent activation and ensuring secure operation.
Operating at a maximum speed of 8,500 RPM this angle grinder delivers the power and precision required for demanding tasks. Its accessory-free tool change system streamlines workflow enabling seamless transitions between applications. The toolless adjustable guard adjustment adds to its convenience facilitating quick and effortless modifications to suit specific grinding requirements.
The CRAFTSMAN (CMCG451B & CMCB204-2CK) incorporates advanced electrical protection features including overload protection, safeguarding against potential damage due to excessive loads. With its combination of performance, safety and ease of use the CRAFTSMAN (CMCG451B & CMCB204-2CK) is the ideal companion for professionals and DIY enthusiasts offering reliability and versatility in every application.
features
CRAFTSMAN (CMCG451B & CMCB204-2CK) BEST CORDLESS ANGLE GRINDER ON A BUDGET
tool overVIEW
MAKITA (XAG04Z & BL1850BDC2) BEST ANGLE GRINDER AS AN ALTERNATIVE
Experience the unparalleled performance of MAKITA Cordless Angle Grinder (XAG04Z & BL1850BDC2) delivering corded grinding capabilities without the restrictions of a cord. Powered by a MAKITA brushless motor this tool sets a new standard for efficiency providing extended runtime, increased power, enhanced speed and prolonged tool life. MAKITA’s exclusive Automatic Speed Change™ Technology ensures optimal performance even in the most demanding applications, automatically adjusting speed and torque during operation.
The MAKITA (XAG04Z & BL1850BDC2) is engineered to excel in a variety of tasks including grinding, cutting and sanding a diverse range of materials such as tile, concrete, pipe and conduit. As part of MAKITA’s expanding 18V Lithium-Ion system the world’s largest cordless tool system powered by 18V Lithium-Ion slide-style batteries it offers unparalleled versatility and compatibility.
MAKITA’s commitment to innovation extends to battery technology with their 18V Lithium-Ion batteries boasting the fastest charge times in their categories. This ensures maximum productivity as the batteries spend more time powering your tools and less time sitting on the charger.
MAKITA’s Star Protection Computer Controls™ enhance both tool performance and battery lifespan. This advanced communication technology allows the Star Protection-equipped tool and battery to exchange real-time data monitoring conditions during use to safeguard against overloading, over-discharging and overheating. The tool can also be powered by MAKITA 18V LXT® and Compact Lithium-Ion batteries with the star symbol indicating Star Protection integration offering unparalleled versatility and peace of mind on the job site.
features
MAKITA (XAG04Z & BL1850BDC2) BEST ANGLE GRINDER AS AN ALTERNATIVE
BEST CORDLESS ANGLE GRINDERS
tool Specification comparison table
Power Source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Voltage
20 Volts
18 Volts
20 Volts
18 Volts
Amperage
5.0 Amps
4.0 Amps
4.0 Amps
5.0 Amps
Motor Type
Brushless
Brushless
Brushless
Brushless
Included Components
(1) DEWALT 20V MAX Angle Grinder Tool – DCG413B
(2) 20V max 5.0Ah XR batteries, which provide up to 10 amp hours of capacity
(1) Battery Charger charges all 12V, 20V and 60V max batteries at a 4.0 Amp charge rate
(1) Soft bag kit for additional tool storage
(1) GWS18V-45PSC 18V EC Brushless Connected 115mm (4-1/2”). Angle Grinder with No Lock-On Paddle Switch
(1) GBA18V40 18V CORE18V Lithium-Ion 4.0 Ah Battery
(1) GAL18V-40 18V Charger
(1) Auxiliary Handle
(1) Wheel Guard
(1) Carrying Bag
(1) CRAFTSMAN V20 Cordless Angle Grinder, 115mm (4-1/2”) (CMCG451B)
(2) 20V Power Tool 4.0Ah Batteries Lithium-ion with 1 Charger (CMCB204-2CK)
(1) XAG04Z Angle Grinder
(2) 18V LXT® Lithium-Ion 5.0Ah Battery (BL1850B)
(1) 18V LXT® Lithium-Ion Rapid Optimum Charger (DC18RC)
(1) 5″ x 1/4″ x 7/8″ INOX Grinding Wheel, 36 Grit (A-95962)
(1) 5″ Ultra Thin Cut-Off Wheel, Stainless (B-46165)
(1) Side Handle (158237-4)
(1) Lock Nut Wrench (782424-9)
(1) 5″ Tool-less Wheel Guard (126687-1)
(1) Tool Bag
Wheel Diameter
115mm (4-1/2″)
115mm (4-1/2″)
115mm (4-1/2″)
115mm (4-1/2″) & 125mm (5″)
Kickback Brake
Yes
Not Available
Not Available
Not Available
Max. Rotational Speed
9,000 RPM
11,000 RPM
8,500 RPM
8,500 RPM
No. Load Stroke Rate
0 – 2800
Not Available
Not Available
Not Available
Spindle Size
5/8 -11 UNC
5/8 -11 UNC
5/8 -11 UNC
5/8 -11 UNC
Batteries
(2) Lithium-Ion (included)
(1) Lithium-Ion (included)
(2) Lithium-Ion (included)
(2) Lithium-Ion (included)
Warranty Description
3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed
Bosch 18V cordless power tools and 18V chargers are covered by a five year limited warranty.
Bosch 18V batteries are covered by a three year limited warranty.
3 Year Limited Warranty
3 Year Limited Warranty
Item Model Number
(DCG413B), Optional Add-on (DCB205-2)
GWS18V-8B15
CMCG451B & CMCB204-2CK
XAG04Z & BL1850BDC2
CORDLESS ANGLE GRINDERS
0ther ALTERNATIves
what’s in the toolbox
tool
Key points
included components
Voltage: 18 Volts / 36 Volts
Amperage: Not Available
Wheel Diameter: 115mm (4-1/2″)
Max. Rotational Speed: 8,000 RPM
Item Model No.: G1812DFQ4
(1) G1812DFQ4 Angle Grinder (tool only)
(1) 115mm (4-1/2″) Center Wheel
(1) Wheel Guard
(1) Side Handle
(1) Wrench
Voltage: 18 Volts
Amperage: Not Available
Wheel Diameter: 115mm (4-1/2″)
Max. Rotational Speed: 10,400 RPM
Item Model No.: P423
(1) Angle Grinder (tool only)
(1) 115mm (4-1/2″) Center Wheel
(1) Type 27 Grinding Guard
(1) Type 27 Grinding Wheel
(1) Type 1 Grinding Guard
(1) Type 1 Cut Off Wheel
(1) Side Handle
(1) Wrench
Voltage: 18 Volts
Amperage: 5.0 Amps
Wheel Diameter: 115mm (4-1/2″)
Max. Rotational Speed: 8,500 RPM
Item Model No.: 2680-21P
(1) M18™ Cordless 115mm (4-1/2″) Cut-off / Grinder
(1) M18™ REDLITHIUM™ XC Battery
(1) Multi-Voltage Charger
(1) Contractor Bag
(1) Side Handle
Voltage: 20 Volts
Amperage: 2.0 Amps
Wheel Diameter: 115mm (4-1/2″)
Max. Rotational Speed: 8,500 RPM
Item Model No.: AG290202
(1) Angle Grinder
(1) 2.0Ah PWRCore 20 Lithium Battery
(1) Charger
(1) Grinding Guard
(1) Grinding Wheel
(1) Storage Handle
(1) Wrench
a Tool for Every Job
Cordless angle grinders represent a significant innovation in the world of hand-held power tools particularly for tradespersons and DIY enthusiasts. These battery-operated tools are indispensable across various industries ranging from metal fabrication to plumbing and beyond. Their versatility makes them a go-to choice for tasks such as cutting, grinding, polishing and more. Available in popular sizes like 115mm (4-1/2″) & 125mm (5″), cordless grinders boast maximum speeds of up to 9,000 RPM, providing ample power for a wide range of applications.
The feature of cordless angle grinders is their freedom of movement thanks to interchangeable and rechargeable battery packs. This mobility is invaluable for professionals who work in remote locations or need to move between job sites frequently. Whether you’re a plumber repairing pipes in tight spaces or a metalworker shaping intricate designs, cordless grinders offer the flexibility to work where traditional corded models would be impractical.
It’s essential to consider the trade-offs of cordless grinders. While they provide unmatched mobility their performance and usage life may be limited compared to their corded counterparts especially during prolonged use. For tasks that require continuous operation over extended periods such as heavy-duty metal fabrication, cordless grinders may not be the most suitable option. For quick jobs or situations where mobility is paramount cordless angle grinders offer a blend of freedom and practicality that’s hard to match.
Ultimately, the decision to choose a cordless angle grinder depends on the specific requirements of the task at hand. Tradespersons and DIY enthusiasts can benefit from the convenience and portability of these tools particularly when working in challenging environments or on short notice. As battery technology continues to advance the performance and longevity of cordless grinders are likely to improve further solidifying their place as indispensable tools in the toolbox of professionals and DIYer’s.
BUYERS GUIDE
CORDLESS ANGLE GRINDERS
Battery Power and Voltage:
Look for a grinder with a high-voltage battery for more power and longer run time. 18V and 20V are common options for cordless angle grinders but some models offer higher voltages for more demanding tasks.
Battery Type and Compatibility:
Check if the grinder uses lithium-ion batteries which are known for their long life and quick charging. Also, consider if the batteries are compatible with other tools from the same brand’s lineup as this can save you money if you already own other cordless tools.
Brushless Motor:
Go for a grinder with a brushless motor if possible. Brushless motors are more efficient have longer lifespans and provide more power compared to brushed motors.
Size and Weight:
Consider the size and weight of the grinder especially if you’ll be using it for extended periods. A lightweight and compact design can reduce fatigue and make it easier to maneuver in tight spaces.
Safety Features:
Look for safety features such as a brake system that stops the wheel quickly when the trigger is released, a lock-off switch to prevent accidental start-ups and a spindle lock for easy and secure accessory changes.
Wheel Size Compatibility:
Check the grinder’s compatibility with different wheel sizes as this can affect its versatility for various tasks. Most cordless angle grinders support 115mm or 125mm (4-1/2” or 5”) wheels but some models can accommodate larger sizes.
Durability and Build Quality:
Choose a grinder made from high-quality materials that can withstand regular use and potentially harsh job site conditions. Metal gear housings and reinforced components are signs of a durable tool.
Additional Features:
Consider additional features like variable speed control, electronic overload protection and ergonomic design features such as a comfortable grip and adjustable side handle for better control and user comfort.
Brand Reputation and Warranty:
Stick to reputable brands with a track record of producing reliable power tools. Check the warranty terms and customer service reputation to ensure you’ll be covered in case of any issues.
Price and Value:
While price is important prioritize value over the lowest cost. Invest in a quality cordless angle grinder that meets your needs and offers the best combination of performance, features and durability within your budget.