Hitachi Power Tools

Hitachi: Inspire the Next

DH45MR 1-3/4 Inch SDS Max Rotary Hammer, 2-Mode, EVS

  • Fastest drilling and chiseling speeds on the market
  • Best-in-Class impact energy of 11.4 ft-lbs for unmatched performance
  • 11.6 amp, 1200 watt motor increases productivity
  • IDI (Internal Double Insulation) Technology includes a rigid aluminum housing to protect against jobsite abuse
  • Constant speed control minimizes changes in speed and hammering as load varies, creating more efficient performance
  • Electronic variable speed control allows user to select tool speed appropriate for the material with a full-load RPM range of 120-240 and impact rates of 1200-2500 BPM
  • Auto-stop carbon brushes prolong service life of tool
  • Needle-pin slip clutch provides higher slip torque accuracy to protect gears and increase user safety
  • Variable lock mechanism provides optimal working angles with easy bit changes
  • Two modes of operation- hammer only & hammer-drill- give the user flexibility throughout a range of applications
  • Elastomer coated handles have a soft grip for more comfortable, non-slip operation
  • Removeable side handle is securely fastened with a rigid steel bracket and can be adjusted 360 degrees for control and maneuverability
  • Depth gauge insures accurate drilling depth
  • Metal seatings for motor bearings prevent motor core deviation and grease leakage that shortens the life of the tool
  • Download the DH45MR Tool Card


  • Depth Gauge (971786)
  • Side Handle (313078)
  • Hex Bar Wrenches- (944458, 944459)
  • Injection Molded Carrying Case (324820)
  • 1 oz. Tube Hammer Grease (981840)
Shank SDS Max
Chuck Size 1-3/4"
No-Load Speed 120-240 RPM
Impact Rate 1200-2500 BPM
Impact Energy 11.4 ft-lbs
Amps 11.6
Capacity: Drill Bit 1-3/4"
Capacity: Core Bit 4-29/32"
Modes of Operation Hammer/Hammer-Drill
Switch EVS
Handle Type D
Power Input 1200W
Tool Length 19.7"
Tool Weight 17.6 lbs

Warranty Information


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