Metabo HPT 4-1/2-Inch Angle Grinder vs Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
Updated July 2026 — Metabo HPT 4-1/2-Inch Angle Grinder wins on rank, Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless wins on speed and price.
The Milwaukee M18 FUEL offers superior power and advanced features, making it the better choice for demanding tasks, while the Metabo HPT is a budget-friendly option for lighter jobs.
Why Metabo HPT 4-1/2-Inch Angle Grinder is better
Price
Metabo HPT is significantly cheaper at $49.00.
Weight
Metabo HPT is lighter at 4.0 lbs.
Included Accessories
Metabo HPT includes five grinding wheels and a hard case.
Why Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless is better
Power
Milwaukee generates 11A equivalent power.
Speed
Milwaukee has a maximum speed of 8,500 RPM.
Safety Feature
Milwaukee features RAPIDSTOP brake for quick wheel stops.
Overall score
Specifications
| Spec | Metabo HPT 4-1/2-Inch Angle Grinder | Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless |
|---|---|---|
| Motor | 6.2 Amp | 11 Amp |
| Included Wheels | 5 | 0 |
| Brake | No | Yes |
| Switch Type | Slide | Paddle |
| Warranty | 1 Year | None |
Dimension comparison
Overview of the Metabo HPT 4-1/2-Inch Angle Grinder
The Metabo HPT 4-1/2-Inch Angle Grinder is priced at $49.00, making it a budget-friendly option for those in need of a reliable grinding tool. This model features a 6.2 Amp motor, providing substantial power for various grinding tasks. The inclusion of five grinding wheels and a hard case adds value and convenience for users who need to transport their tools. With a sales rank of 31,276, it demonstrates a solid presence in the market, appealing to users looking for a cost-effective solution.
Overview of the Milwaukee M18 FUEL 5 in. Flathead Braking Grinder
In contrast, the Milwaukee M18 FUEL 5 in. Flathead Braking Grinder is a more advanced tool priced at $207.98. This grinder generates an impressive 11 Amp equivalent power and features a low-profile design that allows access to tighter spaces than traditional grinders. With a sales rank of 22,280, it caters to a more professional audience, emphasizing performance and innovative features like the RAPIDSTOP brake that stops wheels in less than two seconds. This is a significant safety feature that may appeal to users who prioritize enhanced safety.
Power and Performance Comparison
The Milwaukee grinder excels in power generation, offering a performance equivalent to 11 Amps, which is a notable increase compared to the Metabo HPT’s 6.2 Amp output. This power advantage allows the Milwaukee tool to handle tougher grinding tasks effectively. Moreover, the Milwaukee's POWERSTATE Brushless Motor provides a maximum speed of 8,500 RPM, ensuring sustained power for prolonged use. The Metabo HPT, while performing well for lighter tasks, may fall short for users requiring high-demand applications. Thus, for those seeking robust performance, the Milwaukee grinder stands out.
Design and Usability
Usability is a critical factor to consider when comparing these two grinders. The Metabo HPT features a smaller grip designed to reduce fatigue, weighing only 4.0 lbs, which enhances maneuverability during extended use. Its left-mounted slide switch also incorporates a quick-off feature for added safety. Conversely, the Milwaukee grinder's low-profile, flathead design provides better access to tight spaces, making it suitable for more complex jobs. While the Metabo HPT is easier to handle due to its lightweight design, the Milwaukee's innovative shape may be more beneficial for specialized tasks.
Accessory Inclusion
When it comes to included accessories, the Metabo HPT offers a more comprehensive package with five grinding wheels and a hard case. This not only adds immediate value but also means users can start working right out of the box without needing additional purchases. The Milwaukee grinder, however, is sold as a tool-only option, which may require users to invest further in batteries and chargers. This difference can significantly affect the overall cost and convenience for users looking to get started quickly.
Safety Features
Safety is paramount in power tools, and both grinders offer unique safety features. The Metabo HPT has a left-mounted slide switch with a quick-off feature that enhances user safety during operation. In comparison, the Milwaukee grinder boasts a RAPIDSTOP brake that can stop most wheels in under two seconds, offering an added layer of security. Users focused on safety may find the Milwaukee's advanced braking system more appealing, especially in environments where rapid stopping is critical.
Price Considerations
Price is a crucial factor for many buyers. The Metabo HPT is about 76% cheaper than the Milwaukee option, coming in at $49.00 compared to Milwaukee's $207.98. This significant price difference means the Metabo HPT is a more accessible choice for budget-conscious consumers or those needing a grinder for occasional use. However, the Milwaukee grinder’s higher price reflects its enhanced capabilities and advanced features, making it a worthy investment for professionals or frequent users who require superior performance.
Which should you buy?
In conclusion, choosing between the Metabo HPT 4-1/2-Inch Angle Grinder and the Milwaukee M18 FUEL 5 in. Flathead Braking Grinder ultimately depends on your specific needs and budget. If you seek an economical option for lighter tasks, the Metabo HPT is an excellent choice, offering ease of use and great value. On the other hand, if you need a powerful, professional-grade tool capable of handling demanding jobs and tight spaces, the Milwaukee grinder may justify its higher price. Consider your priorities in power, safety features, and included accessories to make the best decision for your grinding needs.

