Milwaukee 2888-20 Grinder Red
- Grinder
- 198 watts
- Rechargeable battery
- 5.4 pounds
- Better rated than 85%
Anyone already on Milwaukee's M18 battery platform gets a capable cordless grinder here, with the caveat that battery and charger are likely sold separately.
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How it ranks among the 150 grinders we track
4.8★ across 232 Amazon ratings, Bayesian-smoothed toward the category average.
232 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
500+ 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: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Running at 8,500 RPM off an 18 volt lithium-ion battery, the Milwaukee 2888-20 is a cordless grinder with a 198 watt motor and a 5.4 pound body.
The -20 suffix in Milwaukee's model numbering typically marks a bare tool sold without battery or charger, so buyers should plan for a compatible M18 battery separately. Listed at 198 watts of motor power and 8,500 RPM, it is positioned for cutting, grinding and surface prep rather than heavy stock removal.
- 18 volt lithium-ion power
- 8,500 RPM no-load speed
- 198 watt motor
- 5.4 pound weight
Who it's for
Fits tradespeople and DIYers already invested in Milwaukee's M18 battery platform who need a cordless grinder for cutting or grinding metal. Less suited to buyers without existing M18 batteries, since the -20 designation suggests none is included.
Strengths and trade-offs
Drawn from this product's published specifications.
- Cordless on the 18 volt M18 platform
- 8,500 RPM for cutting and grinding work
- 5.4 pounds keeps it manageable one-handed
- Model number suggests battery and charger sold separately
- No disc size stated in listing
Performance notes
Cutting and grinding tasks are where this tool is aimed, running 8,500 RPM off 198 watts of motor power on the 18 volt platform, with the 5.4 pound weight keeping it manageable for one-handed use.
Specifications
| Brand | MILWAUKEE |
|---|---|
| Model | 2888-20 |
| Motor Power | 198 watts |
| Power Source | Rechargeable battery |
| Item Weight | 5.4 pounds |
| Voltage | 18 volts |
| Speed | 8500 rpm |
Other MILWAUKEE grinders
How it compares
This product against the closest alternatives we track in grinders.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Milwaukee 2888-20 Grinder RedThis product | 4.8 / 5 | 232 | 4.2 / 5 |
| DEWALT DCG413B GrinderDeWalt | 4.8 / 5 | 9,600 | 4.6 / 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 MILWAUKEE 2888-20
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the Milwaukee 2888-20 include a battery?
The -20 suffix in Milwaukee's naming convention typically denotes a bare tool without battery or charger.
What voltage battery does it use?
18 volt lithium-ion, Milwaukee's M18 platform.
What is the no-load speed?
8,500 RPM.