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Makita 9557PB Angle Grinder Review
An in-depth look at the Makita 9557PB 4-1/2-inch angle grinder: its performance, durability, comfort, and value compared to similar models from DeWalt and Bosch, plus user feedback and maintenance tips.
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The Makita 9557PB is a reliable, no-frills angle grinder that prioritizes durability and consistent performance. It offers a powerful 7.5-amp motor, a slim body for better grip, and a labyrinth construction that seals out debris. While it lacks some modern conveniences like a quick-change guard or electronic brake, its simplicity and robust build make it a favorite among professionals and DIYers who value longevity over extra features. For heavy-duty grinding and cutting, it holds up well against competitors, though it may not match the speed or advanced features of some DeWalt or Bosch models.
How it scores
The good and the annoying
- Compact and lightweight design (only 4.4 lbs) reduces fatigue during extended use.
- Labyrinth construction seals the motor from dust and debris, extending tool life.
- Powerful 7.5-amp motor delivers 11,000 RPM for efficient grinding and cutting.
- Durable AC/DC switch rated for 200,000 cycles, ensuring long-term reliability.
- Slim body with rubberized grip offers comfortable handling and control.
- No electronic brake, so the wheel spins freely for a while after shutoff.
- Spindle lock can be awkward to engage for some users.
- Adjustable guard requires a tool for repositioning, not quick-adjust.
- Not as powerful as some 13-amp models, limiting heavy-duty applications.
The Makita 9557PB is a 4-1/2-inch angle grinder that has earned a strong reputation among tradespeople and DIY enthusiasts for its balance of power, comfort, and reliability. In this review, our editorial team compared specifications, buyer feedback and key decision factors to help you decide if this grinder fits your needs. We also look at how it stacks up against popular alternatives like the DeWalt DWE402 and Bosch 1375A.
Design and Build Quality
The Makita 9557PB features a compact and lightweight design, weighing only 4.4 pounds. The slim body, with a rubberized grip, reduces hand fatigue during extended use. The labyrinth construction seals the motor from dust and debris, a critical feature for a tool that generates a lot of dust. The switch is rated for 200,000 cycles, ensuring long-term durability. The gear housing is made of aluminum, which dissipates heat efficiently and adds to the tool's robustness.
Performance
Powered by a 7.5-amp motor that spins at 11,000 RPM, the 9557PB delivers adequate speed for most grinding and cutting tasks. It handles metal grinding, cutting, and even masonry work with the right discs. While it may not be as aggressive as higher-amperage models, it performs consistently without bogging down under moderate pressure. The spindle lock is functional, though some users find it slightly stiff initially.
Ease of Use
One of the standout features is its ergonomic design. The slim body allows for a comfortable grip, and the side handle can be mounted on either side for versatility. The tool is easy to operate with one hand when needed, though two hands are recommended for safety. The adjustable guard requires a wrench to reposition, which is a minor inconvenience compared to quick-adjust guards on some competitors.
Cleaning and Maintenance
Maintaining the 9557PB is straightforward. Regularly blow out dust from the vents using compressed air. After about 50 hours of use, check the carbon brushes and replace them if they are worn down to less than 3/16 inch. Keep the gear housing well-greased, and inspect the power cord for any damage. These simple steps will extend the life of the grinder significantly.
Common Buyer Complaints
While the 9557PB is highly rated, some users have noted a few drawbacks. The lack of an electronic brake means the wheel continues to spin for a few seconds after shutoff, which can be a safety concern. The spindle lock can be difficult to engage for some, and the guard adjustment requires a tool. Additionally, a few users have reported that the switch can be stiff at first, but it loosens over time.
Comparison with Similar Models
Compared to the DeWalt DWE402, the Makita is lighter and more compact, but the DeWalt offers a higher amperage (8.5A) and a quick-change guard. The Bosch 1375A has a similar amperage and also features a slim design, but the Makita is often praised for its superior dust protection. In terms of price, the Makita is competitively positioned, offering good value for its build quality.
Value for Money
Given its durable construction and reliable performance, the Makita 9557PB offers excellent value for both occasional and regular use. It is priced reasonably for its class, and its longevity means you will likely not need to replace it soon. For those who prioritize simplicity and durability over advanced features, this grinder is a solid investment.
Final Verdict
The Makita 9557PB is a dependable workhorse that gets the job done without unnecessary complexity. Its compact design, robust build, and effective dust protection make it a top choice for many. While it lacks some modern conveniences, its performance and reliability make it a worthy contender in the 4-1/2-inch grinder category. If you are looking for a no-nonsense grinder that will last, the 9557PB is worth considering.
Specs that matter
| Capacity | 4-1/2-inch wheels, 5/8-inch arbor |
| Amperage | 7.5 amps |
| No Load Speed | 11,000 RPM |
| Spindle Thread | 5/8-11 UNC |
| Weight | 4.4 lbs (without cord) |
| Power Source | Corded electric (120V) |
You need a dependable, no-frills angle grinder for everyday metal grinding, cutting, and light masonry work, and you prefer a tool that is comfortable to handle and built to last without extra electronic features.
You require a grinder for heavy-duty continuous professional use, need a quick-adjust guard or electronic brake for safety, or demand higher amperage for aggressive material removal.
Questions before you buy
Is the Makita 9557PB suitable for cutting tile or concrete?
Yes, with the appropriate diamond blade, the 9557PB can cut tile and concrete. However, it is not as powerful as larger grinders, so for extensive masonry work, a more powerful model might be better.
How does the Makita 9557PB compare to the DeWalt DWE402?
The Makita is lighter and more compact, but the DeWalt offers a higher amperage (8.5A) and a quick-change guard. The Makita is often praised for its durability and ergonomics, while the DeWalt is known for its power and convenience features.
Can I use 4-1/2-inch wheels on this grinder?
Yes, the 9557PB is designed for 4-1/2-inch wheels with a 5/8-inch arbor, which is the most common size for angle grinders. It also accepts 4-inch wheels with an adapter.
Does the Makita 9557PB have a spindle lock?
Yes, it has a spindle lock that allows you to easily change wheels. Some users find it a bit stiff initially, but it works effectively.
How do I maintain the Makita 9557PB?
Regularly blow out dust from the vents, check the carbon brushes after about 50 hours of use, and replace them when worn. Also, keep the gear housing greased and inspect the power cord for damage.