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Metabo HPT 4-1/2-Inch Angle Grinder vs Milwaukee M12 FUEL 12V Lithium-Ion Brushless

Updated July 2026 — Metabo HPT 4-1/2-Inch Angle Grinder wins on power and motor, Milwaukee M12 FUEL 12V Lithium-Ion Brushless wins on price and rpm control.

The Metabo HPT offers a more economical choice with essential features, while the Milwaukee M12 FUEL excels in advanced performance.

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 M12 FUEL 12V Lithium-Ion Brushless is better

Motor Performance

Milwaukee has a brushless motor for better efficiency.

Speed Control

Milwaukee offers 4-mode RPM control for precision.

Durability

Milwaukee features POWERSTATE technology for long-lasting performance.

Overall score

Metabo HPT 4-1/2-Inch Angle Grinder
70
Milwaukee M12 FUEL 12V Lithium-Ion Brushless
85

Specifications

SpecMetabo HPT 4-1/2-Inch Angle GrinderMilwaukee M12 FUEL 12V Lithium-Ion Brushless
BrandMetabo HPTMilwaukee
ModelG12SR42485-20
Motor TypeCordedCordless
Included5 WheelsTool Only
Power Output980W0.3 HP

Dimension comparison

Metabo HPT 4-1/2-Inch Angle GrinderMilwaukee M12 FUEL 12V Lithium-Ion Brushless

Price Comparison

The Metabo HPT 4-1/2-Inch Angle Grinder is priced at $49.00, making it significantly cheaper than the Milwaukee M12 FUEL Right Angle Die Grinder, which retails for $239.95. This difference is substantial, with the Milwaukee option costing about 388% more than the Metabo HPT. If budget is a primary concern, the Metabo HPT clearly stands out as the more economical choice for consumers looking for an angle grinder.

Motor Performance

The Metabo HPT features a 6.2 Amp motor, providing a maximum output of 980 watts, which is designed for tough grinding jobs. In contrast, the Milwaukee M12 FUEL boasts a .3 horsepower motor output, which is stated to deliver 20% more power than its pneumatic competitors. Although the Milwaukee's precise wattage isn't specified, its brushless technology is designed for efficiency and consistent performance. This suggests that while the Metabo HPT is powerful for grinding tasks, the Milwaukee may offer superior performance, especially in applications requiring high speed and precision.

Weight and Portability

The Metabo HPT weighs in at only 4.0 lbs, making it a lightweight and portable option for users who need maneuverability and comfort during prolonged use. The Milwaukee M12 FUEL die grinder's weight is not specified, but it is designed with a compact size that provides greater mobility and access in tight spaces. For users who prioritize ease of handling, the Metabo HPT may be more appealing due to its lighter weight, while the Milwaukee excels in scenarios requiring access to confined areas.

Included Accessories

The Metabo HPT comes with five grinding wheels and a hard case, adding value for users who want a complete package right out of the box. This inclusion is a significant advantage for those just starting or needing a variety of wheels for different tasks. The Milwaukee M12 FUEL, however, is sold as a tool-only option, requiring users to purchase batteries and chargers separately. This means that while the Metabo provides immediate usability, the Milwaukee may necessitate additional investment, depending on users' existing tool collections.

Control Features

The Metabo HPT features a spindle lock for easy disc changes and a left-mounted slide switch with a quick-off feature, enhancing safety during operation. Additionally, it includes a forward-canted side handle, improving control and comfort for both right- and left-handed users. The Milwaukee M12 FUEL, on the other hand, offers a 4-mode RPM control and a responsive variable-speed trigger. This feature allows for unmatched control over the speed of the tool, catering to users who require precision in their grinding tasks. Therefore, while both tools offer control features, the choice may come down to whether users prefer the safety features of the Metabo HPT or the speed control of the Milwaukee.

Durability and Warranty

The Metabo HPT angle grinder includes a 1-year base warranty, providing peace of mind for buyers regarding the tool's durability. It incorporates a labyrinth design for better dust and debris resistance, which is crucial for maintaining longevity during use. The Milwaukee M12 FUEL's durability is underscored by its POWERSTATE brushless motor technology, which is designed for long-lasting performance and reliability. While both tools promise durability, the Metabo HPT offers a warranty that suggests a commitment to quality and customer assurance.

Intended Use and Application

The Metabo HPT is tailored for grinding tasks, making it suitable for a variety of DIY projects and professional applications where compactness and power are key. Its lightweight design contributes to user comfort during extended use. Conversely, the Milwaukee M12 FUEL is specifically designed for service mechanics, providing the performance and speed required in professional environments. This makes it particularly well-suited for those in need of a reliable die grinder for automotive or industrial applications. Therefore, the choice of product may largely depend on the intended use, with the Metabo being more versatile for general grinding and the Milwaukee excelling in specialized tasks.

Which should you buy?

Ultimately, the decision between the Metabo HPT 4-1/2-Inch Angle Grinder and the Milwaukee M12 FUEL Right Angle Die Grinder hinges on your specific needs and budget. If you’re looking for an affordable, lightweight grinder that includes essential accessories, the Metabo HPT is an excellent choice at $49.00. However, if you require a tool with advanced performance features and are willing to invest more for professional-grade capabilities, the Milwaukee M12 FUEL, despite its higher price of $239.95, may be the better option. Each tool has its own strengths, so consider your priorities before making a purchase.