
The Bosch GKS18V-25N 18V circular saw targets professionals but recent testing reveals it doesn’t consistently outperform rivals.
Power lags behind top competitors
The tool uses a brushless motor reaching 5,000 RPM, sufficient for most tasks yet slower than some alternatives. Milwaukee’s M18 Fuel 2834, for instance, achieves 6,000 RPM and cuts deeper. The Bosch model reaches 2 1/2 inches at 90 degrees and 1 13/16 inches at 45 degrees, matching pro-grade standards but falling short against saws handling thicker lumber in one pass.
Speed tests placed it last among 12 saws, taking 19.64 seconds to rip 84 inches of double-stacked OSB subflooring. Performance improved slightly with four layers of the same material at full depth, finishing 11th in 25.53 seconds.
Design involves compromises
A blade-right setup earned praise for visibility. Testers tracked the blade easily at 90 degrees, with only minor obstruction at 45 degrees.
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The lower blade guard created issues. During right-hand compound cuts, a common framing task, it often snagged, requiring manual adjustment. While not unique to this brand, the inconvenience could frustrate both experienced users and beginners. The guard’s angled leading edge follows industry standards but still demands extra attention for smooth operation.
The handle design stood out positively. A curved D-handle foregrip provides better control than traditional pommels, though it requires adjustment time.
Market positioning
This model doesn’t aim for the fastest or most powerful spot in its class. Instead, it delivers reliability and strong ergonomics, areas where many saws struggle. Framers or carpenters frequently making right-hand compound cuts may find the guard issue problematic, but for most other work, it performs well.
Positive stops at 22.5 and 45 degrees remain standard, while the depth adjustment lever sits conveniently on the tool’s exterior for quick changes.
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Additional features include an electronic brake for rapid blade stops, onboard tool storage for blade changes, and compatibility with Bosch’s AMPShare battery system, which works across multiple brands.
Alternatives and assessment
Ergonomics and visibility form its key advantages, making it suitable for professionals who value comfort. Speed and guard performance present drawbacks, though they don’t overshadow overall reliability. Users rarely performing right-hand compound cuts will find it a capable corded replacement.
The tool’s balance of features and limitations ensures it won’t disappoint on typical job sites.
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