Model#: HITNDH40MR

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Hitachi DH40MR 9.2 Amp 1-9/16 in. SDS Max Rotary Hammer

  • Hitachi DH40MR 9.2 Amp 1-9/16 in. SDS Max Rotary Hammer
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The Hitachi DH40MR 9.2 Amp 1-9/16 in. SDS Max Rotary Hammer features an Electronic Variable Speed (EVS) and Internal Double Insulation (IDI) with two different modes for various tasks. The cybernetic design of this tool increase impact energy to and improve 7.4 ft-lbs. With a variable speed dial control and capable of holding a core bit with a diameter of up to 4-1/8 in., the DH40MR will be a must have for professional needing the power to finish the job.
  • Fastest drilling speed in its class with low vibration and noise level
  • Delivers high-speed drilling and forcible chipping with 7.4 ft-lbs. of impact energy, low vibration and noise level
  • 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 Internal Double Insulation (IDI) 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
  • 9.2 Amp 1-9/16 in. SDS Max Rotary Hammer - DH40MR
  • Depth Gauge - 971786
  • Side Handle - 313078
  • Injection Molded Carrying Case - 322152)
  • (3) Hex Bar Wrenches
  • Grease Packs - 981840


Width: 17.125 in.
Amperage: 9.2A
BPM: 1,320 - 2,650
Chuck Size: 1-9/16 in.
Chuck Type: SDS-Max
Drilling Mode: Hammer / Hammer & Drill
Handle Style: D-Handle
Impact Energy: 7.4 ft-lbs.
Max. Capacity (Core Bit): 4-1/8 in.
RPM: 240 - 480



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Is there any Hitachi hammer drill not made in China. But made in Japan ? I am seeing replies to bad Chinese drills that failing in 6 months and the service centers. Said they were not worth repairing.
driller on Mar 30, 2016
BEST ANSWER: he country of origin may change based on manufacturing needs. Please see the product packaging for an accurate country of origin.