The DeWalt DWE6421K is a corded single-speed 5-inch random orbit sander with a 3.0 amp motor turning the pad at 12,000 orbits per minute. It stands out for a short body that keeps your hand close to the work, rubber over-molding at the grip points, and a separate counterweight that cuts vibration. It suits finish sanding, paint prep and light stock removal on flat wood and drywall patches. Against variable-speed rivals it gives up speed control, but it is simpler to run and its dust bag locks on with one hand and connects to a vacuum. Owners rate it well for smooth, low-vibration sanding and easy dust hookup.
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Owners rate it 4.5 out of 5 and praise its smooth, low-vibration running and strong dust collection for a single-speed sander. Most complaints center on the lack of variable speed and the small dust bag.
The DeWalt DWE6421K is a 5-inch random orbit sander with a single-speed 3.0 amp motor. The motor spins the pad at 12,000 OPM. The pad is hook-and-loop (H&L) and includes a pad brake.
Its shorter height lets the user get closer to the workpiece. Rubber over-mold covers all of the critical areas of the sander. A separate counterweight design reduces vibration.
The switch is dust-sealed to protect against dust ingestion and extend switch life. Dust collection and interfacing with the vacuum locking system are improved. The dust bag has a one-hand locking system.
