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Makita 9557NB 4-1/2" Angle Grinder vs Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless

Updated July 2026 — Makita 9557NB 4-1/2" Angle Grinder wins on value and weight, Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless wins on portability and safety.

The Makita 9557NB offers excellent value for casual users, while the Milwaukee M18 FUEL is a superior choice for professionals seeking advanced features.

Why Makita 9557NB 4-1/2" Angle Grinder is better

Price

Makita is significantly cheaper at $84.01.

Weight

Makita weighs only 4.5 lbs, making it easier to handle.

Simplicity

Makita's design is straightforward for casual users.

Why Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless is better

Performance

Milwaukee generates 11A corded power.

Safety

Milwaukee features RAPIDSTOP Brake for enhanced safety.

Portability

Milwaukee is cordless, allowing for greater mobility.

Overall score

Makita 9557NB 4-1/2" Angle Grinder
75
Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
88

Specifications

SpecMakita 9557NB 4-1/2" Angle GrinderMilwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
Motor7.5 AMP11A
RPM11,0008,500
BatteryCordedCordless
BrakeNoneRAPIDSTOP
Weight4.5 lbsNot specified

Dimension comparison

Makita 9557NB 4-1/2" Angle GrinderMilwaukee M18 FUEL 18-Volt Lithium-Ion Brushless

Overview of the Makita 9557NB and Milwaukee M18 FUEL

The Makita 9557NB and Milwaukee M18 FUEL are both formidable angle grinders, each catering to different user needs. The Makita 9557NB is priced at $84.01, while the Milwaukee M18 FUEL comes at a significantly higher price of $207.98, making it about 148% more expensive. This price difference reflects the distinct features and designs of each tool, appealing to various types of users, from casual DIYers to professional tradesmen.

Design and Build Quality

When it comes to design, the Makita 9557NB boasts a compact structure, with a small 2-1/2" diameter barrel that enhances comfort during use. Weighing only 4.5 lbs., it is lightweight and easy to maneuver. Conversely, the Milwaukee M18 FUEL features a low-profile, flathead design that provides better access to tight spaces, which traditional grinders cannot reach. This design is particularly advantageous for users who often work in confined areas. Both grinders are built for durability, but the Milwaukee's design focuses more on versatility and accessibility.

Power and Performance

The Makita 9557NB is equipped with a powerful 7.5 AMP motor that delivers an impressive no-load speed of 11,000 RPM, making it suitable for various grinding tasks. In contrast, the Milwaukee M18 FUEL generates a corded power equivalent of 11A while running at 8,500 RPM. While the Makita offers higher RPM for potentially quicker grinding, the Milwaukee’s RAPIDSTOP Brake feature enhances safety by stopping most wheels in less than 2 seconds. This could be crucial in an environment where safety is a priority.

Features and Capabilities

The Makita 9557NB provides several features aimed at enhancing its longevity and user-friendliness. It includes a protective zig-zag varnish that seals the armature from dust and debris, contributing to a longer tool life. Additionally, its AC/DC switch allows for use with alternative power sources. On the other hand, the Milwaukee M18 FUEL's POWERSTATE Brushless Motor provides maximum sustained power for demanding applications and ensures that it operates efficiently, even under heavy loads. The REDLINK PLUS Intelligence offers unmatched performance and protection, making it a smart choice for professionals.

Portability and Battery Life

The Makita 9557NB is a corded model, meaning it requires a power outlet to operate. This could limit mobility on job sites or in areas without easy access to electricity. In contrast, the Milwaukee M18 FUEL is a cordless grinder that requires M18 REDLITHIUM batteries (not included) for operation. This battery-powered option enhances portability, allowing users to work in various locations without the constraints of cords. The Milwaukee's battery technology also ensures that it runs cooler and more efficiently than traditional batteries, which can be a significant advantage during extended use.

Target Audience

The Makita 9557NB, with its lower price point and solid performance, is ideal for DIY enthusiasts and homeowners who need a reliable tool for occasional use. Its lightweight design makes it accessible for those who may not have extensive experience with power tools. Meanwhile, the Milwaukee M18 FUEL is tailored for professionals who require a high-performance tool that can handle demanding tasks. Its advanced features and enhanced safety measures make it a better fit for frequent, heavy-duty use.

Price Comparison

The price difference between these two models is quite significant, with the Makita 9557NB retailing for $84.01 and the Milwaukee M18 FUEL priced at $207.98. This means the Milwaukee is more than double the price of the Makita, making it essential to weigh whether the additional features justify the higher cost. For casual users, the Makita offers excellent value, while professionals may find the investment in the Milwaukee worthwhile for its advanced capabilities and longer-lasting performance.

Which should you buy?

Choosing between the Makita 9557NB and the Milwaukee M18 FUEL ultimately depends on your specific needs and budget. If you're a casual user or a DIY enthusiast looking for an affordable, reliable angle grinder, the Makita 9557NB is a solid choice at $84.01. However, if you're a professional seeking a high-performance tool with advanced safety features and the convenience of cordless operation, the Milwaukee M18 FUEL, despite its higher price tag of $207.98, may be the better investment. Each tool has its strengths, so consider your usage patterns and requirements before making a decision.