
Black+Decker BDERO600 5-inch Black
Score: 74/100
DEWALT DWE6421
Score: 85/100Rankings

The DEWALT DWE6421K is a lightweight, corded 5-inch random orbit sander featuring a 3.0-amp motor and a fixed 12,000 OPM speed. It is designed for general-purpose woodworking and light material sanding, offering a low-profile build and vibration-reduction technology to enhance user comfort during extended use. Best suited for DIYers and hobbyists who value brand reliability and comfort over variable speed control.

The BLACK+DECKER BDERO600 is a compact, corded orbital sander designed for light to medium sanding tasks with effective dust collection. Its fixed speed and lower power are the main limitations for heavy-duty work. It is best suited for DIYers refinishing furniture or prepping cabinets.
| Attribute | ![]() | ![]() |
|---|---|---|
2.4 W | 360 Wbest | |
14,000 RPMbest | 12,000 RPM | |
127 mmbest | 2.38 mm | |
127 mmbest | 127 mmbest | |
| ↓ lower better | 1.31 kgbest | 1.31 kgbest |
2 years | 3 yearsbest | |
1.83 mbest | 1.83 mbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(3) | ||
Motor Power (W) | 2.4 W | 360 W |
No-Load Speed (RPM) | 14000 RPM | 12000 RPM |
Orbit Diameter (mm) | 127 mm | 2.38 mm |
Ergonomics & Design(3) | ||
Vibration Reduction | false | true |
Switch Type | Paddle | Dust-sealed |
Handle Type | Standard | Rubber overmold |
Features & Accessories(2) | ||
Warranty (years) | 2 years | 3 years |
Includes Sandpaper | true | false |

Products in the top-left offer the best value (high score, low price).

Professional reviewers describe the BDERO600 as a well-balanced tool that efficiently reduces sanding patterns for general use, though it is unsuitable for heavy-duty work.
Users praise the lightweight maneuverability, low swirl marks, and effective dust collection, though some report issues with power for thick finishes.

“Perfect for DIY projects”

“Low vibration is real”

“Quick paper changes”




Professional reviewers highlight the DWE6421 as a solid choice for a variety of sanding applications due to its balanced speed and accessible design. They praise the 2.9-pound weight and 5.5-inch height for accessibility in tight spaces and emphasize the counterweight vibration-reduction system as a meaningful comfort feature.
Everyday users appreciate the DWE6421K as an affordable entry-level sander that handles typical home workshop tasks effectively. Common praise focuses on the real reduction in hand vibration, the convenience of quick paper changes, and the lightweight nature of the tool for overhead work.