Milwaukee M12 FUEL 12V Lithium-Ion Brushless vs RhovixStar Brushless Angle Grinder Cordless, 3/
Updated July 2026 — Milwaukee M12 FUEL 12V Lithium-Ion Brushless wins on power and design, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on price and battery.
The Milwaukee M12 FUEL Right Angle Die Grinder offers superior power and performance, making it ideal for professionals, while the RhovixStar provides a budget-friendly option for casual users.
Why Milwaukee M12 FUEL 12V Lithium-Ion Brushless is better
Power
0.3 HP motor output vs lower output
Brand Reputation
Milwaukee is known for professional-grade tools
Performance
20% more power than pneumatic options
Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better
Price
$65.99 vs $239.95
Included Accessories
Comes with two batteries and charger
Versatility
Four adjustable speeds for various tasks
Overall score
Specifications
| Spec | Milwaukee M12 FUEL 12V Lithium-Ion Brushless | RhovixStar Brushless Angle Grinder Cordless, 3/ |
|---|---|---|
| Motor Type | Brushless | Brushless |
| RPM | Variable | Up to 9000 |
| Battery Type | M12 REDLITHIUM | 20V Li-ion |
| Included Batteries | None | 2 |
| Sales Rank | 48356 | 47285 |
Dimension comparison
Overview of the Milwaukee M12 FUEL Right Angle Die Grinder
The Milwaukee M12 FUEL Right Angle Die Grinder is designed for professional service mechanics who need a powerful and compact tool. Priced at $239.95, it offers 20% more power than pneumatic options and features a brushless motor that delivers up to 0.3 HP performance. With advanced technology, this grinder ensures users can work efficiently in tight spaces while maintaining speed and control. The tool's sales rank of 48,356 indicates a solid presence in the market, making it a reliable choice for professionals.
Overview of the RhovixStar Brushless Angle Grinder
The RhovixStar Brushless Angle Grinder comes at a significantly lower price of $65.99, making it about 73% cheaper than the Milwaukee model. This grinder is equipped with a brushless motor, which offers longer lifespan and reduced energy consumption. It features four adjustable speeds, allowing users to reach up to 9,000 RPM for various tasks like cutting and polishing. With a sales rank of 47,285, this product is also gaining traction among users seeking versatile solutions for DIY projects and light professional use.
Power and Performance Comparison
The Milwaukee M12 FUEL Right Angle Die Grinder excels in power with its robust 0.3 HP motor output, delivering superior performance in challenging tasks. Its POWERSTATE brushless motor technology ensures high efficiency and longevity. In contrast, the RhovixStar grinder, while powerful, does not match the Milwaukee's motor output but offers four adjustable speeds, reaching up to 9,000 RPM, which provides versatility for various applications. Users who prioritize raw power may lean towards the Milwaukee, whereas those needing flexibility in speed might prefer RhovixStar.
Design and Usability
When it comes to design, the Milwaukee die grinder is noted for its compact size and ability to fit into tight spaces, making it ideal for professional settings. Its ergonomic design allows for greater mobility and access, which is crucial for mechanics. The RhovixStar grinder, while not as compact, features an adjustable handle suitable for both left and right-handed users, promoting comfort during extended use. Its lightweight design makes it user-friendly for various tasks, but the Milwaukee's focused design on professional use may make it more desirable for trade-specific tasks.
Battery and Runtime
The Milwaukee M12 FUEL operates on the M12 REDLITHIUM battery technology, ensuring optimum performance with its tools, although the battery and charger are sold separately. On the other hand, the RhovixStar comes with two 20V 4.0Ah battery packs, providing longer runtime and convenience for users who need to work continuously without the hassle of frequent recharging. This difference in battery offerings highlights a significant consideration for users who prioritize runtime and ease of use in battery-operated tools.
Accessories and Included Items
In terms of included accessories, the Milwaukee M12 FUEL Right Angle Die Grinder is sold as a tool-only option, which means users will need to purchase batteries and chargers separately. This could add to the overall cost for those who do not already own compatible accessories. Conversely, the RhovixStar package is quite comprehensive, including two batteries, a fast charger, various wheels, and additional tools necessary for operation. This makes it a more complete package for those starting fresh or looking for a versatile grinder right out of the box.
Price and Value Proposition
At a price of $239.95, the Milwaukee M12 FUEL Right Angle Die Grinder is on the higher end of the spectrum, representing a significant investment for a tool aimed at professionals. In contrast, the RhovixStar grinder’s price of $65.99 offers an appealing entry point for casual users or DIY enthusiasts, making it accessible to a broader audience. However, the Milwaukee's advanced features and performance capabilities might justify the price for those who require a reliable tool for heavy-duty applications.
Which should you buy?
Choosing between the Milwaukee M12 FUEL Right Angle Die Grinder and the RhovixStar Brushless Angle Grinder ultimately depends on your specific needs. If you’re a professional seeking a powerful, compact tool with superior performance, the Milwaukee is undoubtedly the better choice, albeit at a higher cost. However, if you’re looking for a budget-friendly option with versatile functionalities for various tasks, the RhovixStar presents a compelling value. Each product has its strengths, making your decision largely influenced by your intended use and budget constraints.

