DEWALT DWE402 Grinder
- Grinder
- 1320 watts
- Corded electric
- 6 pounds
- Better rated than 85%
- More reviewed than 97%
A corded 4-1/2 inch angle grinder with a 1320 watt motor and 11,000 RPM top speed, built for regular metal and masonry work rather than occasional use.
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How it ranks among the 150 grinders we track
4.8★ across 5,400 Amazon ratings, Bayesian-smoothed toward the category average.
5,400 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 150 grinders we track - how the scorecard works · full grinders data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The DEWALT DWE402 is a corded 4-1/2 inch angle grinder built around a 1320 watt motor that spins up to 11,000 RPM. It runs on standard 120 volt power and weighs about 6 pounds, aimed at metal cutting, grinding and surface prep rather than occasional light use.
DEWALT keeps this model corded rather than cordless, which trades battery swapping for unlimited runtime as long as it stays plugged in. The 11,000 RPM top speed and 1320 watt motor place it in the small angle grinder class, suited to cutting, deburring and light grinding rather than heavy stock removal.
- 1320 watt corded motor
- 11,000 RPM no load speed
- 120 volt standard power
- 6 pound tool weight
Who it's for
Tradespeople and serious DIYers who need a full time grinder for metal work, welding cleanup or masonry cutting will get the most from this tool. Anyone who only needs an occasional light grinder or wants cordless portability should look elsewhere.
Strengths and trade-offs
Drawn from this product's published specifications.
- Corded power avoids battery runtime limits
- 1320 watt motor rated for regular metal work
- 6 pound weight keeps handling manageable
- Needs mains power, not for battery-only kits
- Weight and speed suit smaller wheels, not heavy removal
Performance notes
Output on a grinder this size comes down to motor wattage and no load speed, and the DWE402's 1320 watt motor at 11,000 RPM is built to keep spinning under load rather than bogging down when cutting or grinding. Being corded, that power stays constant as long as it's plugged in, unlike a battery grinder that can slow as its charge drops.
Specifications
| Brand | DeWalt |
|---|---|
| Model | DWE402 |
| Motor Power | 1320 watts |
| Power Source | Corded electric |
| Item Weight | 6 pounds |
| Voltage | 120 volts |
| Speed | 11000 rpm |
Other DeWalt grinders
How it compares
This product against the closest alternatives we track in grinders.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| DEWALT DWE402 GrinderThis product | 4.8 / 5 | 5,400 | 4.6 / 5 |
| Milwaukee 2880-20 GrinderMILWAUKEE | 4.8 / 5 | 2,400 | 4.5 / 5 |
| AVID MW590 GrinderAVID | 4.5 / 5 | 6,100 | 4.4 / 5 |
| Makita 9557PBX1 GrinderMAKITA | 4.8 / 5 | 3,960 | 4.4 / 5 |
| CRAFTSMAN CMCG400B GrinderCraftsman | 4.7 / 5 | 2,900 | 4.4 / 5 |
Similar grinders from other brands
Questions about the DeWalt DWE402
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the DEWALT DWE402 used for?
It's a corded 4-1/2 inch angle grinder for cutting, grinding and surface prep on metal and masonry.
Is the DWE402 corded or cordless?
Corded. It runs on 120 volt household power rather than a battery.
How much does the DWE402 weigh?
About 6 pounds according to the listed spec.