Milwaukee 5/8” SDS-Plus Rotary Hammer Kit 5263-21
Model Number: MIL526321
COMPACT POWER FOR OVERHEAD ANCHORING AND TIGHT-QUARTER DRILLING
Engineered for high-efficiency masonry anchoring, the 5263-21 delivers a specialized power-to-weight ratio that redefines portability in the SDS-Plus category. At just 4.6 pounds and under 11 inches in length, this rotary hammer utilizes a drop-motor design to optimize the center of gravity, providing superior balance for vertical and overhead applications. The 5.5-amp motor is tuned for high-speed drilling, producing 1.5 ft-lbs of impact energy to drive through concrete with 65% more speed than previous generations. By integrating an internal mechanical clutch and the Milwaukee Anti-Vibration System (AVS), this tool ensures mechanical reliability and operator safety during high-repetition tasks, protecting the drivetrain from torque spikes when bits encounter rebar or hard aggregate.
- / Lightweight 4.6-lb chassis significantly reduces fatigue during extended overhead drilling and wall-mount anchoring.
- / 1.5 ft-lbs of impact energy paired with 4,400 BPM provides rapid penetration in masonry and stone.
- / Integrated Anti-Vibration System (AVS) isolates the motor housing to minimize felt vibration and improve user comfort.
- / Mechanical clutch provides essential motor protection by disengaging the gears if the bit binds in the substrate.
- / Two-mode operation offers versatility between rotary hammer and rotation-only modes for various fastener types.
TECHNICAL SPECIFICATIONS
| Motor Type | Corded (5.5 Amp) |
| Chuck Type | SDS-Plus |
| Impact Energy | 1.5 ft-lbs |
| Max Capacity | 5/8" |
| No Load RPM | 0 - 3,700 |
| BPM | 0 - 4,400 |
| Length | 10.9" |
| Weight | 4.6 lbs |
| Clutch | Mechanical |
WHAT'S IN THE BOX
(1) 5/8” SDS-Plus Rotary Hammer (5263-20), (1) Side Handle, (1) Depth Rod, (1) Carrying Case