Heavy-Duty 1-9/16" Spline Rotary
Hammer Kit - Dewalt D25551K
DeWalt D25551K heavy-duty 1-9/16" spline rotary hammer kit meets the needs of the toughest
industrial job site conditions. The D25551K features an 11 Amp motor that provides 140 to 280 RPM
and 1330 to 2660 BPM. The RPM and impact energy can be controlled by the variable-speed/impact
controller and provide a range of .73 to 7.3 ft-lbs of impact energy per blow. The electronic variable
speed also ensures that the proper amount of power is being delivered to the motor, providing
outstanding drilling and chipping speed. The soft-start, two-position side-handle mounts and
rubber grips help make job site applications easier and more comfortable. The hammer is 18-1/2"
long and has a maximum solid bit size capacity of 1-9/16

Amazon.com Product Description
The DeWalt D25551K 1-9/16-Inch Spline Rotary Hammer Kit features a heavy-duty rotary hammer that
provides 7.3-feet/pounds of hard-hitting impact energy. It offers electronic variable speed with
impact control and a bit-lock feature to lock the mechanism in order to free jammed bits. The 11 Amp
motor delivers high output and overload protection, and the 360-degree side handle lets you adjust
your position with ease. This hammer kit also features a spline toolholder that's compatible with
most bits, a rear handle mount, a factory clutch that helps prevent lock-up, a vibration-reducing
rubber grip, and modular construction for simple repairs. The tool's modular construction allows
service technicians to repair it quickly for less down time, and a heavy-duty rubber grip helps
reduce the level of vibration felt during operation

FEATURES Dewalt Rotary Hammer Drill D25551K
11.0 Amp motor delivers high out put and overload protection
Electronic Variable Speed allows the user to control the speed of drilling and chipping
7.3 ft-lbs of impact energy provides fast drilling and powerful chipping
Rubber grip helps reduce the level of vibration felt by the user when operating the tool
Spline toolholder is compatible with most bits the user has
Rear handle mount means less bending over when using tool in down drilling applications
Factory clutch helps reduce the tools reaction to embedded steel when bits "lock-up" while in
operation, preventing injury
Modular construction allows service techinicians to repair tools quickly for less down time when
you service tools
Bit Lock allows user to unwind jammed bits
360° side handle allows user the ability to position the side handle wherever it best suits the
application

SPECIFICATIONS Dewalt Rotary Hammer Drill D25551K
Concrete Drilling 1-9/16 "
Impact Energy 7.3 ft/lbs
Amps 11.0 Amps
Chipping Yes  
Wood/Steel Drilling N/A "
No Load Speed 140-280 rpm
Loaded Speed (bpm) 1,330-2,660 bpm
Clutch Yes  
Tool Length 18.5 "
Tool Weight 14.5 lbs

INCLUDES Dewalt Rotary Hammer Drill D25551K
360° side handle
depth rod
heavy-duty kit box
Heavy-Duty 1-9/16" Spline Rotary Hammer Kit - Dewalt D25551K
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