Makita 9557NB 4-1/2" Angle Grinder vs Milwaukee Electric - M18 Fuel. 4-1/2 / 5 Variable
Updated July 2026 — Makita 9557NB 4-1/2" Angle Grinder wins on sales rank and rpm, Milwaukee Electric - M18 Fuel. 4-1/2 / 5 Variable wins on price and speed settings.
The Makita 9557NB offers a powerful motor at a budget-friendly price, while the Milwaukee M18 Fuel provides advanced features for professional use.
Why Makita 9557NB 4-1/2" Angle Grinder is better
Price
Makita is approximately 48% cheaper than Milwaukee.
Weight
Makita weighs only 4.5 lbs, making it easier to handle.
Speed
Makita has a higher consistent RPM of 11,000.
Why Milwaukee Electric - M18 Fuel. 4-1/2 / 5 Variable is better
Versatility
Milwaukee offers variable speed settings for greater control.
Safety
Milwaukee's braking system stops wheels in under 2 seconds.
Ease of Use
Milwaukee features tool-free accessory changes.
Overall score
Specifications
| Spec | Makita 9557NB 4-1/2" Angle Grinder | Milwaukee Electric - M18 Fuel. 4-1/2 / 5 Variable |
|---|---|---|
| Motor Power | 7.5 AMP | N/A |
| Max RPM | 11000 | 8500 |
| Variable Speed | No | Yes |
| Braking System | No | Yes |
| Weight | 4.5 lbs | 5.5 lbs |
Dimension comparison
Overview of the Makita 9557NB and Milwaukee M18 Fuel
When comparing the Makita 9557NB 4-1/2" Angle Grinder with the Milwaukee Electric M18 Fuel 4-1/2 / 5 Variable Speed Braking Grinder, the first noticeable difference is in their pricing and features. The Makita is priced at $84.01, making it about 48% cheaper than the Milwaukee, which retails for $162.06. This price disparity reflects the differing capabilities and target user bases of each tool.
The Makita's robust 7.5 AMP motor delivers a consistent 11,000 RPM, ideal for high-output grinding tasks. Conversely, the Milwaukee offers variable speed settings ranging from 3,500 RPM to 8,500 RPM, allowing users to tailor speed to specific applications. This fundamental difference in motor design and capabilities sets the stage for their distinct use cases.
Design and Build Quality
Both the Makita 9557NB and the Milwaukee M18 Fuel are designed with user comfort and durability in mind. The Makita features a compact design with a small 2-1/2" diameter barrel and weighs only 4.5 lbs, enhancing comfort during prolonged use. Its all-ball bearing design and metal gear housing provide longevity, while a protective varnish seals the armature from dust and debris.
On the other hand, the Milwaukee grinder is equipped with a slide switch designed to reduce user fatigue and a tool-free guard adjustment for quick installations. Although heavier, its robust build quality is aimed at professionals who require a reliable tool for heavy-duty tasks. In summary, while both tools exhibit quality construction, their design philosophies cater to different user needs.
Power and Performance
Power and performance are critical factors when choosing an angle grinder. The Makita’s powerful 7.5 AMP motor allows it to reach an impressive 11,000 RPM, making it suitable for tasks that require high output, such as grinding and cutting. This grinder’s consistent speed is beneficial for users who prioritize performance over flexibility.
In comparison, the Milwaukee M18 Fuel features variable speed settings between 3,500 RPM and 8,500 RPM. This variability provides greater control for users who may need to switch between different tasks, from grinding to polishing. The Milwaukee's brake stops most wheels in under two seconds, adding an extra layer of safety and efficiency. Ultimately, the Makita is geared towards high-speed applications, while the Milwaukee excels in versatility.
Ease of Use
User experience is a significant consideration when comparing these two grinders. The Makita's design includes a convenient AC/DC switch, allowing it to be used with alternative power sources, which can be particularly beneficial in various environments. Additionally, its lightweight design makes it easier to handle for extended periods.
Conversely, the Milwaukee’s tool-free accessory change feature, combined with its integrated FIXTEC nut technology, simplifies the process of switching attachments. The slide switch is another aspect that enhances user comfort, as it reduces fatigue during longer tasks. Both tools provide ease of use, but the Milwaukee leans more towards convenience features that enhance operational efficiency.
Safety Features
Safety is paramount in any power tool, and both the Makita 9557NB and the Milwaukee M18 Fuel offer essential safety features. The Makita grinder includes a protective varnish that seals the armature from dust and debris, which helps prolong the life of the tool and ensures safe operation over time.
The Milwaukee grinder stands out with its braking system that stops most wheels in less than two seconds, significantly reducing the risk of accidents during operation. This feature is particularly advantageous for professionals who prioritize safety in fast-paced environments. While both grinders provide safety features, the Milwaukee's braking system offers an extra level of security.
Price Comparison
Price is often a deciding factor when selecting power tools. As previously mentioned, the Makita 9557NB is priced at $84.01, while the Milwaukee M18 Fuel costs $162.06. This equates to a price difference of about $78.05, making the Makita approximately 48% less expensive.
For casual users or those who require a grinder for occasional tasks, the Makita represents a more budget-friendly option while still delivering reliable performance. Conversely, the Milwaukee’s higher price reflects its advanced features designed for professional applications, which may justify the investment for serious users.
Brand Reputation
Both Makita and Milwaukee are well-respected brands in the power tool industry, known for their commitment to quality and performance. Makita has a long-standing history of producing reliable tools that are favored by both professionals and DIY enthusiasts. The Makita 9557NB, with its sales rank of 74,761, reflects its popularity among users seeking dependable performance.
Milwaukee, known for its innovative designs and technology, has gained a strong following among professionals, as evidenced by the Milwaukee M18 Fuel’s sales rank of 61,359. Their tools are often regarded as industry standards, particularly in demanding work environments. Ultimately, both brands have established reputations, but Milwaukee may appeal more to users in heavy-duty applications.
Which should you buy?
Choosing between the Makita 9557NB and the Milwaukee M18 Fuel largely depends on your specific needs and budget. If you are looking for a reliable, high-speed grinder for general use at a budget-friendly price, the Makita is an excellent option. It offers solid performance with a powerful motor and lightweight design.
However, if you require versatility, control, and advanced safety features for professional applications, the Milwaukee is worth the investment. Its variable speed settings and braking technology make it suitable for a broader range of tasks. In conclusion, consider your usage patterns and budget to make the best decision for your needs.

