We push these hammer drills to their limits in a series of tests that find which one, the Milwaukee 2804-20 or DeWalt DCD999, has the most speed, power and performance. Both are available @HomeDepot with the Milwaukee 2804-20 costing $299 and the Dewalt DCD999 coming in at $279. We give the definitive answer as to which hammer drill is better with the DeWalt DCD999 dominating every test but the Milwaukee 2804-20 holding its own, for a drill in need of an upgrade.

The Milwaukee M18 FUEL 1/2 in. Hammer Drill is the industry's most powerful brushless battery powered drill, delivering up to 60% more power. Its cordless body is up to 1.5 in. shorter and up to 2-times faster under heavy-load than other models. The all-metal ratcheting chuck is the best in class by providing increased bit grip strength and corrosion resistance. The POWERSTATE Brushless Motor was purposely built for the M18 FUEL 1/2 in. Drill Driver to provide Up To 60% more power than the competitive set. Built-in REDLINK PLUS Intelligence ensures optimal tool performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 system. The REDLITHIUM High Output HD12.0 Battery Pack delivers more work per charger and more work over the life of the pack than competitors. In addition to the drill, this kit comes with 2 M18 REDLITHIUM XC 5.0 battery packs (48-11-1850), 1 M18/M12 multi-voltage rapid charger (48-59-1812), a side handle, belt clip, belt holder, and a durable carrying case.
Up to 60% more power: 1,200 in./lbs. of torque
Only 6.9 in. L for access into tight spaces and reduced fatigue
1/2 in. all metal ratcheting chuck
LED on foot of tool for better lighting in dark spaces
POWERSTATE brushless motor: purposely built for the M18 FUEL 1/2 in. hammer drill driver to provide up to 60% more power than the competitive set
REDLINK PLUS intelligence: ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 system
REDLITHIUM XC 5.0 Ah battery pack: delivers more work per charge and more work over the life of the pack than competitors
Compatible with all M18 batteries
5-year tool and 3-year battery warranty

Get more power with the DEWALT 20V MAX* brushless tools with FLEXVOLT ADVANTAGE tool technology. The 1/2 in. Cordless Hammer Drill has up to 42% more power when paired with a DCB606 FLEXVOLT battery vs a DCB205 20V MAX* 5.0Ah battery. This kit includes one 6.0Ah FLEXVOLT battery, 6 Amp charger, and kit bag.
Up to 42% more power** when paired with FLEXVOLT batteries
Compatible with all DEWALT 20V MAX* and FLEXVOLT Batteries
GREAT BIT GRIP: Heavy-duty 1/2 in. ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength
20X BRIGHTER LED: 3-mode LED provides lighting in dark or confined spaces up to 20x brighter than the DEWALT DCD985
EXTENDED WORK TIME WITH LED: Spotlight mode features 20-minute shutoff function, allowing for extended work time in dark or confined spaces
Tool Connect Chip Ready
OPTIMIZE TOOL to task with 3-speed transmission