The Milwaukee M18 FUEL™ 1/2 in. Hammer Drill/Driver delivers 1,400 in-lbs of torque and up to 2,100 RPM, making it one of the most powerful 18V hammer drills available. At 6.95 in. in length it fits into confined spaces and overhead work areas where larger drills cannot. AutoStop™ Control Mode prevents over-rotation during bind-ups, and the POWERSTATE™ Brushless Motor maintains consistent output under load. The tool-only model requires M18 batteries (sold separately) and is compatible with the full Milwaukee M18 platform. Includes a side handle and belt clip. Backed by a 5-year limited warranty.
Does this drill come with batteries?
No. The 2904-20 is a bare tool — it includes the drill, a side handle, and a belt clip only. M18 batteries and charger are sold separately. For full performance Milwaukee recommends High Output M18 batteries.
How does it handle concrete and masonry?
The hammer drill mode is effective on brick, block, and concrete. Reviewers report it drives anchors and 6 in. hole saw cuts through concrete without struggling.
Is this quieter than other hammer drills?
Multiple users note it runs noticeably quieter than comparable drills, which reviewers attribute to the brushless motor and AutoStop™ system.
What is the maximum torque output?
1,400 in-lbs — Milwaukee's highest in the M18 18V hammer drill lineup, and among the highest across all 18V cordless hammer drills.
Is it compatible with older M18 batteries I already own?
Yes. The 2904-20 works with all M18 batteries. Reviewers with existing M18 inventories confirm straightforward compatibility.
How compact is it compared to other hammer drills?
At 6.95 in. long, it is one of the shortest M18 hammer drills. Users report it fits into tight spaces and overhead positions where bulkier drills cannot reach.
# Milwaukee® M18 FUEL™ 1/2 in. Hammer Drill/Driver **Model:** `2904-20` **Brand:** Milwaukee **Category:** Hammer Drill > The Milwaukee M18 FUEL™ 1/2 in. Hammer Drill/Driver delivers 1,400 in-lbs of torque and up to 2,100 RPM, making it one of the most powerful 18V hammer drills available. At 6.95 in. in length it fits into confined spaces and overhead work areas where larger drills cannot. AutoStop™ Control Mode prevents over-rotation during bind-ups, and the POWERSTATE™ Brushless Motor maintains consistent output under load. The tool-only model requires M18 batteries (sold separately) and is compatible with the full Milwaukee M18 platform. Includes a side handle and belt clip. Backed by a 5-year limited warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Hammer Drill/Driver | | Voltage (V) | 18 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | POWERSTATE Brushless | | Tool Only | Yes | | Batteries Included | 0 | | Charger Included | No | | Piece Count | 3 | | Length (in.) | 6.95 | | Battery Platform | M18 FUEL™ | | Chuck Type | All Metal Ratcheting | | Chuck Size (in.) | 0.5 | | Max Speed (RPM) | 2,100 | | Max Torque (in-lbs) | 1,400 | | Clutch Settings | 16 | | Speed Settings | 2 | | Hammer Function | Yes | | One Key Enabled | No | | Warranty | 5-year limited (tool) | ## What's Included - (1) M18 FUEL™ 1/2 in. Hammer Drill/Driver (2904-20) - (1) Side Handle - (1) Belt Clip Source: https://www.jaspecs.com/milwaukee/hammer-drill/2904-20-m18-fuel-1-2-hammer-drill-driver-cordless-power-tool/