The Milwaukee M12 FUEL 5/8 in. SDS Plus Rotary Hammer Kit is a cordless rotary hammer built for concrete anchoring, light chipping, and general jobsite drilling without dragging a cord. Milwaukee lists 3.7 lb excluding battery, 10.6 in. length, 7.0 in. height, and 3.0 in. width, giving it a compact footprint for overhead or tight-space work. Milwaukee positions it as a productivity-focused model that can deliver up to 73 holes per charge in the company's stated test setup. Its POWERSTATE Brushless motor is rated for 0.89 ft-lbs of impact energy, 1200 RPM, and 4400 BPM, with an SDS Plus interface sized for the bit capacity this model is designed around. This kit version adds the batteries and charger needed to put the tool straight to work on the M12 FUEL platform.
Is the 2508-21 sold as a tool-only rotary hammer?
No. The 2508-21 is sold as a kit with 1 battery and a charger.
What chuck system does it use?
It uses an SDS Plus chuck for compatible rotary hammer accessories.
What is the rated impact energy?
Milwaukee rates it at 0.89 ft-lbs of impact energy.
How fast does it run?
Milwaukee lists a maximum speed of 1200 RPM and 4400 BPM.
How much does the tool weigh?
Milwaukee lists weight excluding battery at 3.7 lb.
Does it support chisel mode?
Yes. Milwaukee describes this rotary hammer as a 3-mode tool with drilling and chipping capability.
# Milwaukee M12 FUEL 5/8 in. SDS Plus Rotary Hammer Kit **Model:** `2508-21` **Brand:** Milwaukee **Category:** Rotary Hammer > The Milwaukee M12 FUEL 5/8 in. SDS Plus Rotary Hammer Kit is a cordless rotary hammer built for concrete anchoring, light chipping, and general jobsite drilling without dragging a cord. Milwaukee lists 3.7 lb excluding battery, 10.6 in. length, 7.0 in. height, and 3.0 in. width, giving it a compact footprint for overhead or tight-space work. Milwaukee positions it as a productivity-focused model that can deliver up to 73 holes per charge in the company's stated test setup. Its POWERSTATE Brushless motor is rated for 0.89 ft-lbs of impact energy, 1200 RPM, and 4400 BPM, with an SDS Plus interface sized for the bit capacity this model is designed around. This kit version adds the batteries and charger needed to put the tool straight to work on the M12 FUEL platform. ## Specifications | Attribute | Value | |---|---| | Product Type | Rotary Hammer | | Voltage (V) | 12 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | POWERSTATE Brushless | | Tool Only | No | | Batteries Included | 1 | | Charger Included | Yes | | Piece Count | 3 | | Height (in.) | 7 | | Length (in.) | 10.6 | | Weight (lbs) | 3.7 | | Width (in.) | 3 | | Battery Platform | M12 FUEL | | Chuck Size (in.) | 0.625 | | Hammer Function | No | | One Key Enabled | No | | Warranty | 5-year limited (tool) | | Chuck Type Rotary | SDS Plus | | Impact Energy Ft Lbs | 0.89 | | Max Rpm | 1,200 | | Bpm | 4,400 | | Mode Count | 3 | ## What's Included - (1) M12 FUEL 5/8 in. SDS Plus Rotary Hammer (2508-20) - (1) M12 REDLITHIUM Battery Pack - (1) M12 Charger Source: https://www.jaspecs.com/milwaukee/rotary-hammer/2508-21-m12-fuel-5-8-sds-plus-rotary-hammer-kit/