Last Updated on September 4, 2023 by Pro Handyman Australia – Editorial Team
In today’s fast-paced world, the quest for efficiency and convenience is paramount, particularly when it comes to power tools. Angle grinders, essential for tasks ranging from metalwork to masonry, have evolved with the times.
The cordless revolution has reached this arena too, offering unparalleled flexibility and ease of use. With the Australian market flooded with numerous options, identifying the best cordless angle grinder can be overwhelming. This article aims to simplify your search, presenting a comprehensive review of the top contenders in Australia. Read on to find a grinder that seamlessly merges quality, performance, and value.
Our top picks:
- Best cordless angle grinder for tile cutting
- Best cordless angle grinder for home
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- Best smallest cordless angle grinder
Bosch Home & Garden Bosch 18 V Cordless 125mm Angle Grinder
Performance and Versatility
The Bosch AdvancedGrind 18 Cordless Angle Grinder stands out in the competitive Australian market with its electronic speed preselection. This feature allows users to perfectly adjust the grinder’s speed for each task and material – be it grinding, cutting, brushing, or polishing on metal, stone, concrete blocks, or tiles.
Ease of Use
Changing grinder discs has never been this effortless. Say goodbye to additional equipment with its quick-clamping nut. The innovative design ensures a seamless transition between tasks. Moreover, the compatibility of the 18 V Home & Garden battery across Bosch’s green line and Unlimited vacuum cleaners emphasizes the brand’s thoughtfulness for its users.
Safety and Design Innovations
Safety is clearly a priority for Bosch. The soft start feature, which gradually increases power when switched on, diminishes the risk of abrupt jerks, ensuring better control. Add to that the brake function, which smoothly stops the disc when the tool is turned off, and you have an angle grinder that’s both powerful and safe.
Comparative Analysis
Compared to other models in the market, Bosch’s anti-vibration handle is a notable addition, ensuring optimal tool guidance and the option to apply extra pressure when required. Moreover, the tool’s evolution is evident in its safety features, with the addition of a brake function and the convenience of the quick-clamping nut – enhancements that aren’t standard in all competitors.
Technical Specifications
- Voltage: 18 V
- Grinding disc diameter: 125 mm
- No-load speed: 2,800 to 11,500 rpm
- Weight (without battery): 1.7 kg
Pros
- Versatile with adjustable speeds for various materials.
- Effortless disc changing with the quick-clamping nut.
- Enhanced safety features including soft start and brake function.
- Anti-vibration handle for better control.
Cons
- The weight (1.7kg without battery) might be a tad heavy for prolonged use.
- Battery compatibility, while excellent for those who own Bosch products, may be limiting for others.
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TOPEX 20V 125mm Cordless Angle Grinder Tool Kit
Performance and Adaptability
Delving deep into the TOPEX’s cordless angle grinder, it stands out due to its impressive no-load speed range of 2000-7000 RPM, allowing for variable speeds to match various applications. This flexibility is a significant advantage when tackling different materials or tasks, providing optimal results every time.
Battery Life and Efficiency
Boasting a 3000mAh lithium-ion battery, this grinder champions prolonged operation. The real-time battery indicator ensures users are always informed, preventing abrupt disruptions in work. A rapid 2-hour charge cycle accentuates its efficiency, marking an edge over many competitors.
Safety and User-Friendliness
Safety has been a clear focus in this design. The protective guard not only ensures a safe working environment by deflecting sparks and metal chips but also offers effortless installation and removal. The lock-on side switch is an underrated boon, promoting extended use without the strain of holding down a trigger continuously.
Ergonomic Design Choices
A highlight is the removable side handle, adaptable for both left and right-handed users, ensuring optimal control in varied positions. Paired with the lightweight design (2.0KG) and a manageable length of 37cm, it’s designed for prolonged use without causing user fatigue.
Technical Highlights
- Voltage: 20V Max
- No-Load Speed: 2000-7000RPM
- Weight: 2.0KG
Pros
- Impressive variable speed for versatile applications.
- Quick 2-hour charging with a substantial 3.0Ah battery.
- Safety-centric with an effective protective guard.
- Lock-on side switch promotes extended usage without fatigue.
Cons
- Might be considered slightly heavy for certain users at 2.0KG.
- The 7000RPM max speed might not suffice for tasks requiring higher speeds.
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Dewalt DCG406N-XJ 18V XR Li-Ion Brushless 125mm Grinder (Paddle Switch)
Functionality and Performance
Dewalt, a name synonymous with durability and precision, doesn’t disappoint with this grinder. A highlight is the Electronic Brake, which offers prompt wheel stopping post-trigger release, enhancing safety. The Electronic Clutch is a thoughtful addition, significantly reducing kickback reactions during stalls or pinches—a known challenge with grinders.
Design and User Experience
Dust is the bane of power tools, and Dewalt addresses this with the innovative Mesh Covers that hinder dust infiltration into the motor. The Rubber Overmould not only provides an enhanced grip but couples with the Two-Position Side Handle for unparalleled user comfort and control.
Technical Specificities
Manufactured by the reputed Dewalt, the grinder, weighing at 2.2 kg, boasts a powerful 1000 Watts or 3600 Wattage. A key feature to note is its surprisingly quiet operation at 44 dB, making it suitable for professional usage without causing significant noise disturbances.
Pros
- Quick Electronic Brake enhances user safety.
- Reduced kickback due to the Electronic Clutch.
- Dust-resistant design protects the motor.
- Ergonomic Rubber Overmould for superior grip and comfort.
- Quiet operation suitable for professional settings.
Cons
- Battery requirement might be seen as an inconvenience to some.
- Weighing 2.2 kg, some might find it slightly heavy for extended use.
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Bosch Professional 06019H9002 System GWS 18V-7 Cordless Angle Grinder
Power and Efficiency
Diving right into the mechanics, Bosch Professional flaunts its prowess in the arena with a brushless motor that matches a 700 watt corded angle grinder’s power. This equivalence in performance, combined with its cordless design, showcases Bosch’s commitment to merging portability with capability.
Ergonomics and Design
Bosch has painstakingly emphasized on comfort. The lightweight construction (a mere 1kg) complemented by a small grip circumference offers easy handling. The tool-free adjustable protective cover further escalates the convenience factor, making the grinder apt for prolonged usage.
Versatility and Compatibility
Whether it’s slicing through metal, brick, or tile, this grinder stands tall. Its adaptability is further augmented by Bosch’s signature Professional 18V system. This ingenious system not only provides unparalleled power but also ensures compatibility with both newer and existing Bosch Professional tools of the same voltage. CoolPack technology, a hallmark of Bosch, dissipates battery heat, enhancing battery lifespan—this is Bosch’s ingenuity at its finest.
Pros
- Brushless motor emulates a 700-watt corded grinder’s power.
- Lightweight and ergonomic design ensures user comfort.
- Versatile across various materials.
- Enhanced battery lifespan with CoolPack technology.
- Backward compatibility with older Bosch Professional devices.
Cons
- Batteries not included, which might necessitate an additional purchase.
- The compact size might not be suitable for larger hands or heavy-duty tasks.
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Einhell Power X-Change Brushless 125mm (5 Inch) Cordless Angle Grinder With Quick Release – 18V Disc Battery Grinder
Performance and Longevity
The Einhell Axxio 18/125 Q Li Solo promises a blend of power and endurance. Central to this is the Einhell PurePower brushless motor. Compared to traditional carbon brush motors, this advanced motor guarantees more power and extended runtime, setting a new benchmark for cordless angle grinders. Notably, a 10-year warranty, upon online registration, affirms the confidence in this motor’s performance.
Design and Ergonomics
Slim in design and emphasized on user-comfort, Einhell’s offering showcases an ergonomic soft grip and an additional handle. This ensures smooth operations, whether in a garage, workshop, or home setting. The robust aluminium gear housing resonates with the brand’s focus on durability, ensuring the grinder stands the test of time.
Safety and Flexibility
Prioritizing user safety, this model boasts a soft start and restart protection. The quick adjustment windscreen protector enables versatile usage, while the Quick-Fix nut simplifies disc changes without the need for an end hole wrench. This not only speeds up tasks but also reduces the dependency on additional tools.
Pros
- Superior brushless motor ensures extended runtime and power.
- Ergonomic design and soft grip for comfortable use.
- Robust aluminium gear housing boosts longevity.
- Quick-Fix nut provides tool-free disc changes.
- Overload protection ensures user safety.
Cons
- Some accessories are not included in the package
- Heavier compared to some competitors, at 1.54kg.
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TOBAIL Cordless Brushless 18V 125mm Angle Grinder With 2 Li-ion 3A Battery, 5 Disc, Battery Charger Angle Grinder Kit Carrying Case
Power and Efficiency
The TOBAIL Cordless Angle Grinder harnesses the capabilities of a brushless motor, presenting an impressive RPM range of 0-10,000. Brushless technology not only outperforms traditional brushed motors in terms of longevity but also ensures optimal battery usage, boasting up to 50% longer runtime per charge.
Safety and Durability
Addressing user concerns about safety and tool life, this model features a directed airflow system. By diverting dust away from crucial components, the grinder promises both an extended tool lifespan and enhanced durability. This is further complemented by its three-dimensional cooling system, ensuring the motor remains protected from potential overheating during intense operations.
Ergonomics and Portability
Designed keeping the user in mind, its lightweight construction and compact handle make for easy outdoor operations. The anti-slip handle minimizes operational fatigue, making prolonged tasks less daunting. Being cordless, it eliminates the need for power sockets or unwieldy cables, facilitating work in diverse environments.
Versatility
TOBAIL’s offering isn’t just limited to grinding. Its versatility encompasses tasks like metal cutting, wood cutting, tuck-pointing, and even rust removal. The inclusion of different discs in the kit further widens its application range.
Pros
- Brushless motor ensures longer service life and better battery efficiency.
- Intelligent display for real-time machine fault detection.
- Directed airflow and advanced cooling system for enhanced durability.
- Comprehensive kit includes 2x 21V batteries, various discs, and a convenient carry case.
- Cordless design promotes portability and user convenience.
Cons
- RPM may be limiting for certain high-intensity applications.
- Only one color variant available, which might not appeal to everyone.
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Makita DGA504Z 18V Mobile Brushless Slide Switch Angle Grinder, 125 mm Size
Performance and Efficiency
Makita’s DGA504Z stands out with a formidable no-load speed of 8,500rpm, positioning itself among the top-performing grinders in its category. Its Automatic Torque Drive functionality is noteworthy, adjusting torque to effortlessly power through demanding cuts, giving users a seamless cutting experience.
Safety Features
Safety is undeniably a priority for Makita. The grinder hosts a trio of commendable features: Kickback Detection, which mitigates potential harm from sudden jerks; Anti-restart, reducing the risk of accidental startups; and Soft Start, ensuring a gradual and controlled ramp-up of speed. The Electronic Current Limiter further safeguards the motor from inadvertent overloads, enhancing the tool’s lifespan.
Protection and Durability
Incorporating XPT technology, this angle grinder boasts resistance against dust and moisture—a boon for professionals frequently working in challenging environments. Such protection not only ensures the tool’s longevity but also guarantees consistent performance.
Design and User Convenience
Sporting a compact design (36.2 x 14 x 14.5 cm) and weighing just 2.5 kilograms, the DGA504Z promotes portability and ease of handling. While battery-powered for utmost mobility, the grinder doesn’t come with batteries, allowing users the flexibility to integrate it with their existing Makita 18V battery systems.
Pros
- High-performance 8,500rpm no-load speed enhances cutting/grinding efficiency.
- Comprehensive safety suite including Kickback Detection and Anti-restart.
- XPT technology provides resilience against environmental adversities.
- Compact design, promoting ease of use and transportation.
Cons
- Some accessories are not included in the package
- Alkaline battery cell type may not be everyone’s first choice for power tools.
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Dewalt DCG405FN-XJ DCG405FN Cordless XR Brushless Flathead Angle Grinder
Performance and Motor Efficiency
The Dewalt DCG405FN-XJ’s brushless motor exudes optimal efficiency, delivering a balanced mix of power and application performance. Boasting a no-load speed of 9,000/min, it competes proficiently in the cordless grinder category. The integrated fan-cooled motor, sheathed with a mesh cover, takes motor protection up a notch, preventing dust from jeopardizing its longevity and performance.
Design and Access
Its standout feature, the flathead design, facilitates unparalleled access to acute angles, making those hard-to-reach tasks more manageable. Weighing in at a nimble 1.7kg and complemented by its ergonomic slim build, this tool offers unrivaled maneuverability. The rubber over-mould further accentuates comfort, ensuring the user has maximum control and grip during rigorous tasks.
Safety and Control
Dewalt remains resolute in prioritizing user safety. The built-in no-volt release guards against unintentional startups post new battery installation. Additionally, its electronic clutch curtails the kickback reaction, especially during pinches or stalls. The electronic brake’s rapid halt of the wheel post trigger-release further bolsters its safety portfolio.
Pros
- Flathead design offers superior access to tight angles.
- Brushless motor ensures efficiency and a notable no-load speed.
- Comprehensive safety features, including electronic brake and no-volt release.
- Ergonomic design adorned with rubber over-mould for superior grip and control.
Cons
- Some accessories are not included in the package
- Specific tasks may demand more than the provided 1,000 watts.
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Milwaukee HD18AG0 M18 Angle Grinder
Power and Performance
The Milwaukee HD18AG0 is powered by Milwaukee’s high-performance 4-pole motor, showcasing the brand’s dedication to marrying power with a favorable power-to-weight ratio. This marriage ensures users get an optimal performance with a no-load speed clocking in at 9,000/min, making it a formidable contender in the cordless angle grinder category in Australia.
User Safety and Ergonomics
Safety remains paramount with the HD18AG0. The non-lockable switch mitigates the risks of unintended start-ups, providing enhanced user protection. This grinder further impresses with a burst-resistant, tool-free safety guard that promises both fast adjustments and optimal user safety. The design philosophy emphasizes ergonomics. Its gear box flaunts a reduced height coupled with a slim girth, ensuring users find it comfortable during extended usage. The unique paddle switch design and adaptable multi-position side handle further elevate the ease of use.
Durability and Design
Constructed with a full metal gear case, this grinder promises heavy-duty durability. Milwaukee’s REDLINK™ overload protection, present in both the tool and battery pack, reinforces the device’s resilience, ensuring an extended lifespan. A visible fuel gauge is a thoughtful addition, letting users monitor the remaining charge, thus preempting work disruptions.
Pros
- High-performance 4-pole motor ensures robust output.
- Burst-resistant, tool-free safety guard enhances user safety.
- Exceptional ergonomics with paddle switch and multi-position handle.
- Durable design backed by REDLINK™ overload protection.
Cons
- Some accessories are not included in the package
- Absence of a lockable switch might be a preference for some.
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JIUNENG Mini Angle Grinder,12V Mini Cordless Angle Grinder
Material and Build Quality
The JIUNENG Mini Angle Grinder stands out with its high-quality plastic body construction, emphasizing durability and lightweight handling. More intriguing is its solid carbide make for the protective cover and blade installation point, showcasing a commitment to safety and longevity.
Design and Portability
Unshackling users from power cords, this grinder’s cordless design, paired with its compact 3-inch body, addresses the common issue of machine bulkiness and work location restrictions. Its nimbleness aids in achieving intricate cutting or polishing tasks without being weighed down.
Accessories and Ease of Use
The package doesn’t hold back on accessories. With two batteries, users can ensure continued work without power-related interruptions. Furthermore, the inclusion of multiple blades and polishing wheels provides a versatile tool kit for various applications. The straightforward instruction manual facilitates quick setup, allowing users to jump straight into their tasks. However, users should remain cognizant of the battery’s temperature during prolonged usage, ensuring safety and machine longevity.
Functionality and Safety
Safety takes center stage with the spark and metal shaving protective cover. Its practicality shines in varied tasks like wall grooving, tile cutting, and even property maintenance such as PVC pipe cutting. The grinder’s speed peaks at 19,500 rpm, backed by a 500W input power, catering to a range of intricate to heavy-duty operations.
Pros
- High-quality construction assures durability and safety.
- Cordless and lightweight design for hassle-free mobility.
- Generous accessory package boosts versatility.
- Explicit instruction manual guarantees easy operation.
Cons
- Prolonged usage can lead to battery overheating, requiring intermittent breaks.
- Slight variations in product color and size as compared to the images provided.
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Milwaukee Fuel M18FSAGV115XPDB-0X Cordless Safety Angle Grinder
Design and Build
Milwaukee’s expertise shines through with the M18FSAGV115XPDB-0X. Its multicolored, battery-powered design, weighing in at a comfortable 1.91 kilograms, showcases a balance of aesthetics and practicality. The 18-volt power specification implies a device built for efficiency and optimal performance.
Performance and Features
With a Fuel Brushless Angle Grinder Range, Milwaukee continues its legacy of delivering power tools with an emphasis on longevity and efficient power consumption. Brushless motors are known to reduce heat buildup, providing a longer lifespan for the device. The inclusion of an 18-watt rating further ensures that the grinder will deliver consistent power while still maintaining energy efficiency.
Usability and Safety
The “Safety” in the name isn’t just a marketing term. Milwaukee places a strong emphasis on user safety, a vital component for grinders, which are often associated with workshop accidents. The tool’s design inherently minimizes risks, ensuring users can focus on precision without compromising their well-being. The battery-powered feature offers mobility, freeing users from tethered constraints of corded alternatives.
Pros
- Lightweight design makes for easy handling.
- Fuel Brushless motor ensures longer tool life and reduced maintenance.
- Emphasis on safety offers peace of mind during use.
- Cordless design allows for greater mobility and versatility.
Cons
- Some accessories are not included in the package
- Some users might prefer a more uniform color rather than multi-colored.
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Key Features to Consider
Power & Voltage: When evaluating cordless angle grinders, a fundamental consideration is the power and voltage they offer. Battery power, usually indicated in terms of voltage, determines the grinder’s ability to handle heavy-duty tasks. Common voltage ranges in the market are 12V, 18V, and 20V, with higher voltages generally offering more power. However, the choice often depends on the specific needs of a task – while an 18V or 20V might be excellent for more intensive jobs, a 12V could suffice for lighter tasks.
Battery Life & Efficiency: Equally important is the grinder’s endurance. A tool’s efficiency is largely determined by how long it can operate on a single charge. Advanced battery technologies like Lithium-Ion have significantly improved the runtime of cordless tools. When reviewing grinders, consider not only the total operating time but also the efficiency of power usage and the speed of battery drain under continuous operation.
Safety Mechanisms: Modern cordless angle grinders are equipped with an array of safety features. Look out for features like an automatic brake, which stops the disc within seconds of switching off the tool, or a soft start mechanism that gradually builds up speed, preventing a sudden jerk. Additionally, features like anti-restart prevent the grinder from unintentionally starting when a battery is inserted, providing added safety.
Ergonomics: The design of the grinder plays a pivotal role in user experience. An ergonomic design ensures that the tool is comfortable to hold, reducing user fatigue during prolonged use. Look for grinders with rubberized grips, adjustable handles, and designs that reduce vibrations to the hand.
Benefits of Going Cordless
Mobility: One of the standout advantages of cordless tools is their unparalleled mobility. Without the constraints of power cords, users can move freely, ensuring they can work efficiently even in hard-to-reach places.
Reduced Trip Hazards: Cords not only restrict movement but also present a trip hazard, especially in busy workspaces. Cordless grinders eliminate this risk, promoting a safer work environment.
Flexibility: Cordless angle grinders shine in their flexibility. Whether it’s a remote site without power access or an intricate job requiring constant repositioning of the tool, the absence of cords ensures uninterrupted work.
Understanding the Brushed vs. Brushless Motors
The heart of any power tool is its motor, and in the realm of cordless tools, the debate often centers around brushed vs. brushless motors. Brushed motors, the more traditional of the two, use brushes to deliver current to the motor windings. They are generally cheaper but come with more wear and tear due to the physical contact of brushes.
On the other hand, brushless motors, as the name suggests, eliminate brushes, leading to less friction and heat generation. This often results in a longer lifespan, better efficiency, and potentially more power. For users who intend to use their grinder frequently, investing in a brushless model could be a smart choice.
Maintenance and Care
To ensure your cordless angle grinder stands the test of time, regular maintenance is crucial. Start by inspecting the tool before each use, checking for any visible damages or irregularities. Clean the vents and ensure there’s no buildup of dust or debris, which can impact the grinder’s performance. Regularly check the condition of the grinding disc and replace it if worn out or damaged.
For the battery, avoid complete discharges, and store it in a cool, dry place. By following these simple guidelines, you can prolong the life of your cordless angle grinder and ensure consistent performance.
FAQ Section: Choosing the Best Cordless Angle Grinder
What is an angle grinder used for?
An angle grinder is a versatile tool primarily used for grinding, polishing, and cutting various materials, such as metal, tile, and concrete. They can also be used for sanding, sharpening, and even removing rust or old paint.
Why should I choose a cordless angle grinder over a corded one?
Cordless angle grinders offer mobility and flexibility, allowing you to work in places without power outlets or move freely without the constraints of a cord. They are also safer in terms of reducing trip hazards from cords in busy workspaces.
How important is voltage in a cordless angle grinder?
The voltage indicates the power of the grinder. Higher voltage typically offers more power, making the grinder suitable for heavy-duty tasks. Depending on your requirements, you should choose a voltage that matches your intended use.
What’s the difference between brushed and brushless motors?
Brushed motors use brushes to deliver current to the motor windings, whereas brushless motors eliminate brushes, leading to less friction and heat generation. Brushless motors generally offer better efficiency, potentially more power, and a longer lifespan.
How often should I replace the grinding disc?
The frequency depends on the type of material you’re working on and how often you use the tool. However, it’s essential to inspect the disc regularly for wear and tear and replace it when necessary to ensure safety and efficiency.
Do cordless angle grinders come with batteries included?
Not always. Some models include batteries, while others are sold as “bare tools.” It’s essential to check the product specifications before purchasing.
How can I prolong the battery life of my cordless angle grinder?
Avoid completely discharging the battery, store it in a cool, dry place, and use a suitable charger. Regularly check the battery’s health and replace it when its capacity diminishes significantly.
Conclusion
Choosing the best cordless angle grinder requires careful consideration of your specific needs, the tasks you’ll be undertaking, and the features that matter most to you. Whether it’s the power derived from the voltage, the longevity and efficiency of brushless motors, or the convenience of prolonged battery life, each aspect plays a crucial role in determining the best fit. Remember to prioritize safety, inspect your tools regularly, and always operate them following the manufacturer’s guidelines.
A cordless angle grinder can be a game-changer for your toolkit, offering unparalleled flexibility and efficiency in various tasks. By being informed and understanding the key features, you’ll ensure that your chosen tool not only matches but exceeds your expectations.