Hitachi Power Tools

Hitachi: Inspire the Next

DH40MR 1-9/16? SDS Max Shank Rotary Hammer, 2-Mode

  • Fast drilling speed with lower vibration and noise level
  • 7.4 ft-lbs of impact energy, delivering high-speed drilling and forcible chipping
  • 9.2 Amp motor, increases productivity
  • 2-modes of operation, hammer only and hammer & drill for flexibility within a range of applications
  • Built-in electronic control circuit, keeps speed constant even as load varies
  • Needle-pin slip clutch, for higher slip torque accuracy and safety
  • Variable lock system, makes bit replacement simple and offers 12-angle positions for chiseling
  • Soft, non-slip Elastomer grip handle, absorbs vibration and improves comfort and handling
  • Revolutionary IDI (Internal Double Insulation) technology, incorporated into the housing of the tool greatly improves reliability and extends the tool life
  • Removable side handle with depth gauge, improves control and ensures accurate drilling depth
  • Check out the Rotary Hammer Tool Test "Combination Rotary Hammers" from the Nov 05 issue of Journal of Light Construction to see how the Hitachi DH40MR was named favorite overall "by a wide margin"


  • Depth gauge
  • Side Handle
  • Injection molded carrying case
  • Hex Bar Wrench
  • Grease Packs
ShankSDS Max
Chuck Size1-9/16"
No-Load Speed240-480rpm
Impact Rate1320-2650bpm
Impact Energy7.4 ft/lbs
Capacity: Drill Bit1-9/16"
Capacity: Core Bit4-1/8"
Modes of OperationHammer/Hammer & Drill
Handle TypeD
Full Load Vibration117db
No-Load Noise Level79.5db
Power Input950W
Tool Length17-1/8"
Tool Weight14.3lbs

Warranty Information


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