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Makita 9557PB 4-1/2" Paddle Switch Angle Grinder vs Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder

Updated July 2026 — Makita 9557PB 4-1/2" Paddle Switch Angle Grinder wins on weight and speed, Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder wins on portability.

The Makita 9557PB offers higher RPM and a lower price, making it a better choice for heavy-duty tasks, while the Milwaukee 2888-20 excels in portability and variable speed.

Why Makita 9557PB 4-1/2" Paddle Switch Angle Grinder is better

Price

Makita is $99.00, significantly cheaper than Milwaukee's $141.08.

RPM

Makita delivers 11,000 RPM compared to Milwaukee's 8,500 RPM.

Durability

Makita's labyrinth construction enhances longevity.

Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better

Portability

Milwaukee is cordless, allowing for greater mobility.

Variable Speed

Milwaukee offers 5 speed settings for better control.

Brake Feature

Milwaukee's brake stops the wheel in 2 seconds.

Overall score

Makita 9557PB 4-1/2" Paddle Switch Angle Grinder
85
Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder
75

Specifications

SpecMakita 9557PB 4-1/2" Paddle Switch Angle GrinderMilwaukee 2888-20 18V Cordless 4.5"/5" Grinder
Motor Power7.5 AMP18V
No-Load Speed11,000 RPM8,500 RPM
Variable SpeedNoYes
Corded/CordlessCordedCordless
Brake FeatureNoYes

Dimension comparison

Makita 9557PB 4-1/2" Paddle Switch Angle GrinderMilwaukee 2888-20 18V Cordless 4.5"/5" Grinder

Overview of the Makita 9557PB and Milwaukee 2888-20

The Makita 9557PB is priced at $99.00, while the Milwaukee 2888-20 costs $141.08—about 42% more. Both angle grinders are designed for specific tasks, but they cater to different user needs and preferences. The Makita model is a corded grinder, providing consistent power for heavy-duty applications, while the Milwaukee is a cordless option, offering mobility and convenience.

Power and Performance Comparison

The Makita 9557PB features a powerful 7.5 AMP motor that delivers a no-load speed of 11,000 RPM, making it ideal for heavy professional grinding applications. In contrast, the Milwaukee 2888-20 operates at a maximum of 8,500 RPM due to its 18V battery design. While both grinders provide adequate power, the Makita offers higher RPM, translating to potentially faster grinding capabilities for demanding tasks.

Design and Ergonomics

In terms of design, the Makita 9557PB has a compact structure with a small 2-1/2" diameter barrel, weighing only 4.5 lbs. This makes it comfortable to use over extended periods. The Milwaukee 2888-20, while slightly bulkier, incorporates a variable speed feature with five different speed settings ranging from 3,500 to 8,500 RPM, allowing for more control during various tasks. Each model offers ergonomic benefits, but the choice depends on whether the user prioritizes weight or variable speed functionality.

Features and Usability

Both grinders offer unique features that enhance usability. The Makita 9557PB includes a lock-on/off feature for continuous operation and a spindle lock for easy wheel changes. It also has labyrinth construction to protect the motor and bearings from contamination. The Milwaukee 2888-20 provides a paddle switch design and tool-free guard adjustment, enabling quick accessory changes. While both grinders are user-friendly, the Makita's additional safety features may be more appealing for heavy-duty applications.

Portability and Convenience

The Milwaukee 2888-20 shines in terms of portability due to its cordless design, making it suitable for jobs where access to power outlets may be limited. This model's battery-operated nature allows users to move freely without the hassle of cords. In contrast, the Makita 9557PB, being a corded model, requires proximity to an electrical outlet, which could limit its usability in certain situations. For users who value mobility, the Milwaukee is the better choice.

Durability and Build Quality

When it comes to durability, the Makita 9557PB is designed with labyrinth construction that seals and protects the drive gear and bearings from contamination, potentially extending its lifespan. The Milwaukee 2888-20, while robust, is a cordless tool that may face different wear and tear challenges associated with battery-powered devices. Both brands are reputable, but the Makita's design suggests a focus on longevity in harsh working conditions.

Price Comparison

The Makita 9557PB is priced at $99.00, making it about 42% cheaper than the Milwaukee 2888-20, which retails for $141.08. This significant price difference could influence the decision for budget-conscious consumers or those looking for a reliable grinder without breaking the bank. While the Milwaukee offers advanced features, the Makita provides excellent value for its price, especially for users who require a powerful corded grinder.

Which should you buy?

Choosing between the Makita 9557PB and the Milwaukee 2888-20 ultimately depends on your specific needs. If you require a high RPM, corded angle grinder for heavy-duty tasks, the Makita is a solid option at a lower price point. However, if portability and variable speed are your priorities, the Milwaukee's cordless design may be worth the extra investment. Consider your typical use case, budget, and preference for power source when making your decision.