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DeWalt
DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit
$75Cheaper
Best Random Orbital Sanders · head-to-head
DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit vs Milwaukee M18 2648-20
A sourced, side-by-side comparison. DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit is cheaper at $75. Every spec and price links to its source.
Milwaukee
Milwaukee M18 2648-20
$149
Which is better: the DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit or Milwaukee M18 2648-20?
On the specs we track, they're closely matched. The DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit is the cheaper at $75.
See DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit on Amazon See Milwaukee M18 2648-20 on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit | Milwaukee M18 2648-20 |
|---|---|---|
| US price | $75 | $149 |
| Brand | DeWalt | Milwaukee |
| Released | — | — |
| Power source | corded | cordless |
| Pad diameter (in) | 5 | 5 |
| Orbit diameter (mm) | — | — |
| Oscillations per minute max | 12000 | 12000 |
| Variable speed | No | Yes |
| Amperage | 3 | — |
| Voltage | — | 18 |
| Dust collection type | bag-and-port | canister |
| Weight (lb) | 2.9 | — |
| Vibration ms2 | — | — |
| Noise level (dB) | — | — |
Sources — DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit: dewalt.com (verified 2026-07-11). Milwaukee M18 2648-20: milwaukeetool.com (verified 2026-07-11).
What's the difference between the DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit and Milwaukee M18 2648-20?
Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.
- Power source: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit corded vs Milwaukee M18 2648-20 cordless
- Variable speed: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit false vs Milwaukee M18 2648-20 true
- Dust collection type: DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit bag-and-port vs Milwaukee M18 2648-20 canister
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
DeWalt DWE6421K 5 in. Single Speed Random Orbit Sander Kit
Two whitelisted testers cover the DWE6421K, but only Reviewed hands-on-tested it, naming it Best Overall for stripping paint in about three minutes versus roughly five for rivals. It praises the powerful 3-amp motor, comfort and decent dust collection, while flagging single-speed operation and that the tool jumps and pulls. Pro Tool Reviews is a spec preview, not benchmarked. (2 sourced reviews, 1 lab-tested.)
Praised: Fast, powerful 3-amp motor; fastest paint removal in the test (~3 min); Comfortable to hold in multiple positions; Decent/quality dust collection, especially with a shop vac.
Flagged: Single speed only; Jumps and pulls; harder to control than rivals.
Milwaukee M18 2648-20
No sourced tester review yet.