MILWAUKEE

Milwaukee 2888-20 Grinder

Grinder
Battery
1 pound
18 volts

4.9/ 5 on Amazon79Amazon ratings200+bought last month4.1ProductDome score

Better rated than 95%

Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forBuy if you want a portable 18 volt grinder with a fast top speed

An 18 volt cordless grinder with a high review average and a fast top speed, worth a look for portable cutting and grinding work.

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ProductDome scorecard

How it ranks among the 150 grinders we track

4.1/ 5ProductDome scoreMedium confidence

Owner satisfaction · 56% of scorecategory median 4.6★4.8

4.9★ across 79 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 256 ratings2.4

79 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score3.1

200+ bought on Amazon last month.

Data quality · 11% of score3.8

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

Spinning up to 8500 RPM on an 18 volt battery, the Milwaukee 2888-20 grinder weighs in at just 1 pound, rated 4.9 across 79 reviews.

Cordless grinders in the 18 volt class are built for cutting, grinding and deburring metal on job sites where a cord or air line is not practical. The 8500 RPM top speed and 1 pound weight suggest a compact head, though disc size and battery amp hours are not part of this listing's spec table.

18 volt battery platform
8500 RPM top speed
1 pound tool weight
4.9 out of 5 rating

Who it's for

Suits fabricators and metalworkers who want a light, portable grinder on an 18 volt battery. Less suited to jobs needing sustained heavy material removal, since disc size and power draw are not confirmed here.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

18 volt cordless, no cord needed
8500 RPM top speed
4.9 average rating across 79 reviews

What to check first

Disc size not listed
Battery amp hours not stated
No included accessories detailed

Performance notes

Running on an 18 volt battery, the 2888-20 reaches up to 8500 RPM, giving it enough speed for cutting and grinding metal without a cord. Its listed weight of 1 pound points to a compact head built for maneuvering in tight spots.

Specifications

Brand	MILWAUKEE
Model	2888-20
Power Source	Battery
Item Weight	1 pound
Voltage	18 volts
Speed	8500 rpm

How it compares

This product against the closest alternatives we track in grinders.

Product	Amazon rating	Ratings	ProductDome score
Milwaukee 2888-20 GrinderThis product	4.9 / 5	79	4.1 / 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

Frequently asked

Questions about the MILWAUKEE 2888-20

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What voltage does the Milwaukee 2888-20 grinder use?

18 volts, per the listed power source and voltage fields.

How fast does the 2888-20 spin?

Up to 8500 RPM according to the listing.

How much does the Milwaukee 2888-20 weigh?

1 pound as stated in the item weight field.