Makita 9557NB 4-1/2" Angle Grinder vs RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle
Updated July 2026 — Makita 9557NB 4-1/2" Angle Grinder wins on accessories and power, RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle wins on price and weight.
The Makita 9557NB offers superior power and durability, making it a better choice for demanding tasks, while the RIDGID provides a budget-friendly cordless option.
Why Makita 9557NB 4-1/2" Angle Grinder is better
Power
Makita has a 7.5 AMP motor with 11,000 RPM.
Included Accessories
Makita includes a grinding wheel and other accessories.
Durability
Makita features protective varnish and labyrinth construction.
Why RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle is better
Price
RIDGID is $67.49, making it cheaper.
Cordless
RIDGID offers the convenience of cordless operation.
Weight
RIDGID is likely lighter due to cordless design.
Overall score
Specifications
| Spec | Makita 9557NB 4-1/2" Angle Grinder | RIDGID 18V BRUSHLESS Cordless 4-1/2 in. Paddle |
|---|---|---|
| Motor Power | 7.5 AMP | Brushless |
| RPM | 11,000 | N/A |
| Included Items | Grinding wheel, guard | Not specified |
| Switch Type | AC/DC | Paddle |
| Weight | 4.5 lbs | N/A |
Dimension comparison
Overview of Angle Grinders
When comparing angle grinders, the choice often comes down to power, design, and functionality. The Makita 9557NB and RIDGID 18V Brushless Cordless 4-1/2 in. Paddle Switch Angle Grinder each offer unique advantages tailored to different needs. The Makita is a corded option priced at $84.01, while the RIDGID is a cordless variant available for $67.49, making it about 17% cheaper. This price difference highlights the varying approaches to power sources and user preferences in the angle grinder market.
Power and Performance
Power and performance are critical factors in choosing an angle grinder. The Makita 9557NB features a powerful 7.5 AMP motor that delivers an impressive 11,000 RPM, ensuring high output power for demanding tasks. In contrast, the RIDGID's performance specifics are less detailed, focusing instead on its brushless technology that typically enhances efficiency and runtime. Despite this, the lack of explicit RPM or power ratings for the RIDGID might leave users wanting more information on its performance capabilities compared to the robust specifications of the Makita.
Design and Usability
The design of an angle grinder significantly impacts user experience. The Makita 9557NB boasts a compact design with a small 2-1/2-inch diameter barrel grip, weighing only 4.5 lbs., which enhances comfort during prolonged use. Additionally, its AC/DC switch allows for versatility with different power sources. On the other hand, the RIDGID features a paddle switch design that can be easier to operate for some users, though it lacks detailed information on weight and ergonomics. Overall, the Makita's design appears more refined, catering to users who prioritize comfort and ease of use.
Durability and Longevity
Durability is essential for tools that face rigorous tasks. The Makita 9557NB includes protective features such as a protective zig-zag varnish that seals the armature from dust and debris, enhancing its longevity. Its labyrinth construction further protects the drive gear and bearings from contamination, promising a longer tool life. In comparison, while the RIDGID is recognized for its performance, it lacks specific details on protective features. For users who require a grinder that withstands tough conditions, the Makita offers more assurance in durability.
Included Accessories
The accessories included with an angle grinder can greatly influence its value. The Makita 9557NB comes with a 4-1/2-inch grinding wheel, wheel guard, lock nut, lock nut wrench, side handle, and inner flange, making it a comprehensive package for immediate use. Conversely, the RIDGID's listing does not specify any included accessories, which may lead to additional costs for users looking to purchase necessary components separately. Thus, the Makita presents a more complete solution for users who want to start grinding right away.
Target Audience
Understanding the target audience for each product can help in making a decision. The Makita 9557NB is likely aimed at professionals and serious DIYers who require a reliable, high-performance tool for heavy-duty applications. Its robust motor and construction cater to users who prioritize power and durability. In contrast, the RIDGID may appeal to casual users or those already invested in RIDGID's 18V battery systems, offering a convenient cordless solution without the need for a power outlet. Each product has its distinct audience based on power needs and usage contexts.
Price Comparison
Price is often a decisive factor in tool purchases. The Makita 9557NB is priced at $84.01, while the RIDGID is available for $67.49. This represents a difference of $16.52, or approximately 17%, favoring the RIDGID for budget-conscious buyers. However, this lower price comes with trade-offs in power specifications and included accessories, which may be essential for some users. Ultimately, the decision hinges on whether the lower price of the RIDGID justifies potential compromises in performance and features.
Which should you buy?
Deciding between the Makita 9557NB and the RIDGID Brushless Cordless Angle Grinder ultimately depends on your specific needs. If you prioritize power, performance, and durability, the Makita stands out with its impressive motor specifications and included accessories, making it an excellent choice for demanding tasks. However, if you are looking for a more budget-friendly option and value the convenience of cordless operation, the RIDGID may be the better fit, despite its less detailed performance metrics. Weighing these factors will help you choose the right angle grinder for your projects.

