Milwaukee 2904-20 M18 Fuel Hammer Drill Driver 1/2"
- 1/2 inch chuck, hammer drill
- 1400 inch pounds maximum torque
- 2 speeds, 650 RPM maximum
- 800 watts maximum power
- 0.5 inch wood and metal capacity
- M18 battery-powered tool system
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A brushless hammer drill/driver on the M18 platform for owners already invested in that battery system. The listed weight and dimensions look inconsistent, so treat them as unreliable.
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ASIN: B0BB854SJ8Model: 2904-20Category: Drills
Overview
A mechanism that pairs rotation with hammering action lies behind the half-inch chuck of this Milwaukee M18 FUEL drill/driver, which has two speed ranges and a variable speed trigger. It works with M18 battery-powered system devices.
High torque and a hammer function cover wood, metal and light masonry from one tool, and it shares batteries with the M18 line. The listing gives no battery in the contents, and its size and weight entries do not agree with each other.
Who it's for
A job site that already runs M18 tools gets a strong drill for framing, decking and anchor holes. A first-time cordless buyer should consider a kit that bundles power.
Pros and cons
- Hammer drill function
- High torque rating
- Two speed ranges
- Shares M18 batteries
- Battery not included
- Weight and size look inconsistent
- Low top speed in the listing
- Amperage value is unclear
Performance notes
A hammer drill adds rapid forward impact to rotation, which helps break into masonry, while the two speed ranges trade rotation rate for drive force in wood and metal. The pack fitted decides run time, and higher capacity helps on long hammering jobs.
Specifications
| Brand | MILWAUKEE |
|---|---|
| Model | 2904-20 |
| Dimensions & fit | |
| Maximum Chuck Size | 0.5 inches |
| Item Dimensions L X W X H | 11 x 9 x 4 inches |
| Item weight | 16 ounces |
| Capacity & performance | |
| Maximum Rotational Speed | 650 RPM |
| Drilling Capacity Metal | 0.5 inches |
| Drilling Capacity Wood | 0.5 incheslower than 50% of 126 drills |
| Number Of Speeds | 2 |
| Power & efficiency | |
| Maximum Power | 800 wattshigher than 51% of 129 drills |
| Voltage | 18 voltslower than 51% of 233 drills |
| Amperage | 5 Amps |
| Battery Type | Rechargeable |
| Power Source | Battery Powered |
| Construction & materials | |
| Color | Red/Black |
| Material Type | Metal,Carbide |
| Compatibility & installation | |
| Compatible Devices | Milwaukee M18 battery-powered tools |
| Warranty & support | |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Other details | |
| Drill Type | Hammer Drill |
| Maximum Torque | 1400 inch poundshigher than 91% of 94 drills |
| Additional Features | Variable Speed |
Closest rivals on specs
WORKPRO W125173A SDS-Plus Rotary Hammer Drill 7.5 Amp- Drilling Capacity Wood 0.5 vs 0.6 inches (-17%)
Frequently asked questions
How compact is the Milwaukee 2904-20?
The listing gives 11 x 9 x 4 inches and a weight of 16 ounces, but these entries do not agree, so confirm the size with the seller.
Which batteries work with the Milwaukee 2904-20?
The listing names Milwaukee M18 battery-powered tools and 18 volts.
Does the Milwaukee 2904-20 hammer?
Yes. The drill type is listed as a hammer drill.