
AirCat 6255
Score: 78/100
DEWALT DWE4887 1-1-inch
Score: 78/100Rankings

The AirCat 6255 is a pneumatic angle die grinder featuring a composite housing and patented quiet technology, designed for high-speed blending and deburring in confined spaces. It operates at 20,000 RPM with a feather trigger for precise speed control. It is best suited for noise-sensitive environments and precision work where compact size is critical.

The DeWalt DWE4887 is a corded die grinder with a 4.2 amp motor delivering 25,000 RPM, designed for professional welders and fabricators. Its key advantage is AC/DC compatibility for field use, though the 8-foot cord limits mobility. It is best suited for industrial users needing high-speed grinding in welding shops or fabrication environments.
| Attribute | ![]() | ![]() |
|---|---|---|
20,000 RPM | 25,000 RPMbest | |
| ↓ lower better | 9.5 CFMbest | — |
| ↓ lower better | 82 dBbest | — |
| ↓ lower better | 4.5 m/s²best | — |
| ↓ lower better | 0.54 kgbest | 1.63 kg |
177.8 mm | 487.68 mmbest | |
0.4 W | 450 Wbest | |
38.1 mm | 106.93 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
Warranty | 2 Years | 3 Year Limited |
Compatibility & Controls(3) | ||
Collet Size | 1/4 | 1/4" |
Switch Type | Feather Trigger | Paddle with lock-on |
Tool Type | Angle | Die Grinder |
Performance(2) | ||
No-Load Speed (RPM) | 20000 RPM | 25000 RPM |
Motor Power (W) | 0.4 W | 450 W |
Dimensions(3) | ||
Overall Length (mm) | 177.8 mm | 487.68 mm |
Overall Width (mm) | 38.1 mm | 106.93 mm |
Overall Height (mm) | 78.74 mm | 94.99 mm |
Power & Air(2) | ||
Power Source | Pneumatic | Corded |
Exhaust Type | Rear | Angled |
Ergonomics & Build(2) | ||
Weight (kg) | 0.54 kg | 1.63 kg |
Handle Type | Feather Trigger | In-line |


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The search results provided do not contain detailed professional reviews or expert evaluations from industry publications or testing organizations. The available information is primarily product specification sheets and retail listings.
The search results do not include user reviews, consumer feedback, or common complaints about the AirCat 6255. While the tool is marketed with positive features like quiet operation and ergonomic design, specific user testimonials or recurring praise or complaints are not available in these sources.

No direct quotes from professional reviewers or editors appear in the search results; descriptions from manufacturer and retailer sites emphasize the tool's high power, AC/DC versatility, and user-friendly paddle switch for tough grinding jobs.
Search results contain no consumer reviews, ratings details, or recurring praise/complaints; only product specs and features are detailed across sources.
