Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 vs RhovixStar Brushless Angle Grinder Cordless, 3/
Updated July 2026 — Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 wins on speed and features, RhovixStar Brushless Angle Grinder Cordless, 3/ wins on price and battery.
The Milwaukee Electric grinder excels in speed and advanced features, while the RhovixStar offers better value with included batteries and versatility.
Why Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 is better
Higher max speed
Milwaukee delivers 11,000 RPM vs RhovixStar's 9,000 RPM max
Advanced protection
Milwaukee includes overload protection and electronic clutch
Better build usability
Milwaukee has paddle switch and tool-free guard adjustment
Why RhovixStar Brushless Angle Grinder Cordless, 3/ is better
Lower price
RhovixStar costs $65.99 vs Milwaukee's $110.00
Included batteries
RhovixStar comes with two 20V 4.0Ah batteries; Milwaukee is tool only
Accessory kit
RhovixStar includes charger, wheels, handle, and wrench
Overall score
Specifications
| Spec | Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 | RhovixStar Brushless Angle Grinder Cordless, 3/ |
|---|---|---|
| Max Speed RPM | 11,000 | 9,000 |
| Motor Type | Brushless | Brushless |
| Battery Included | No | Yes, 2x 20V 4.0Ah |
| Price | $110.00 | $65.99 |
| Switch Type | Paddle Switch | Standard Switch |
| Guard Adjustment | Tool-Free | Included Guard |
| Accessories | None | Charger, Wheels, Handle, Wrench |
| Protection Features | Overload & Electronic Clutch | Overload & Overheat Protection |
Dimension comparison
Overview of the Milwaukee Electric M18TRADE
The Milwaukee Electric M18TRADE Brushless 4-1/2 / 5 Cut-Off Grinder is priced at $110.00. Known for its robust design and high performance, this grinder delivers an impressive 11,000 RPM, making it suitable for a wide range of cutting and grinding tasks. Its paddle switch design allows for easy operation, and the tool-free guard adjustment feature enhances user convenience by enabling quick changes without additional tools. Moreover, the grinder incorporates overload protection and an electronic clutch to safeguard against potential damage, ensuring longevity and reliability in demanding environments.
Overview of the RhovixStar Brushless Angle Grinder
The RhovixStar Brushless Angle Grinder is significantly more affordable, retailing at $65.99, which is about 40% cheaper than the Milwaukee model. This angle grinder features a powerful brushless motor that not only extends product life but also improves power efficiency. With 4 adjustable speeds reaching up to 9,000 RPM, it is versatile for various applications, including sanding, polishing, and cutting. The inclusion of two battery packs in its kit adds value, allowing users to work continuously without the limitations of a power cord, making it a practical choice for outdoor tasks.
Performance Comparison
In terms of performance, the Milwaukee Electric grinder leads with a maximum speed of 11,000 RPM, which can be advantageous for heavier-duty tasks requiring quick material removal. Conversely, the RhovixStar offers flexibility with its four adjustable speeds, peaking at 9,000 RPM. This speed variability can be beneficial for users who need to perform different types of work, such as delicate polishing or aggressive grinding. Both tools provide effective performance, but the choice depends on whether speed or versatility is a higher priority for the user.
Design and Usability
The Milwaukee Electric grinder is designed with a paddle switch that enhances usability and control during operation. Its tool-free guard adjustment feature allows users to make necessary changes quickly and safely. Meanwhile, the RhovixStar features an ergonomic design that accommodates both left- and right-handed users, reducing wrist fatigue during prolonged use. The design of both grinders focuses on user comfort, yet the RhovixStar's adjustable handle may provide a slight edge for users engaged in extended projects.
Additional Features
The Milwaukee Electric grinder includes advanced features such as overload protection and an electronic clutch, which are essential for preventing overheating and ensuring safe operation under heavy use. On the other hand, the RhovixStar comes with a comprehensive kit that includes two battery packs, a fast charger, and various grinding wheels and tools, making it a complete package for users. This added value makes the RhovixStar particularly appealing for those who require a versatile and ready-to-use tool right out of the box.
Battery and Runtime
Battery performance is crucial for cordless tools, and the RhovixStar shines here with its two 20V 4.0Ah lithium-ion battery packs, ensuring long runtime for extended tasks. This dual-battery setup allows users to work without interruption, which is a significant advantage over the Milwaukee, which is sold as a standalone tool without batteries. While the Milwaukee may have superior speed and features, the RhovixStar's battery capacity and included accessories provide a more complete solution for those needing mobility in their work.
Price and Value Proposition
The Milwaukee Electric grinder is priced at $110.00, while the RhovixStar is available for $65.99, making it about 40% cheaper. This substantial price difference could be a deciding factor for budget-conscious shoppers or those who do not require the high-speed capabilities of the Milwaukee model. The RhovixStar's inclusion of a battery and multiple accessories adds to its overall value, making it an attractive option for users looking for a well-rounded tool without breaking the bank.
Which should you buy?
Choosing between the Milwaukee Electric M18TRADE and the RhovixStar Brushless Angle Grinder ultimately depends on your specific needs and priorities. If you require a high-performance tool for demanding tasks and value advanced features like overload protection, the Milwaukee might be the better choice for you. However, if you're looking for a more budget-friendly option that still offers versatility and complete accessories, the RhovixStar presents an excellent value. Consider what features are most important to you, whether it’s speed, usability, or price, to make the best decision for your projects.

