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11/16" Rotary Hammer
Owners Manual Parts Breakdown Print
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Carrying Case

Tool only. Battery and Charger sold Separately
Model No: HR1840

Variable Speed, Reversible


Hammer & Rotation / Rotation Only

  • Torque limiter stops bit rotation if bit jams for increased operator safety and enhanced tool protection
  • Variable speed trigger allows operator to adjust speed based on materials or application
  • Reverse rotation system using brush holder unit provides the same amount of power in forward and reverse and extends life of carbon brushes
  • 2 operating modes: Rotation / Rotation + Hammer
  • One-touch SDS-PLUS sliding chuck for easy bit installation and removal
  • Ergonomic soft rubber grip for vibration absorption and comfortable operation


INCLUDES: Side Handle (158057-6), Depth Gauge (415486-9), Plastic Carrying Case (821706-5) 


Bit Type


Maximum Capacities:


11/16" (18 mm)


1/2" (13 mm)


15/16" (24 mm)

No Load Speed

0 – 2,100 RPM

Blows Per Minute

0 – 4,800 BPM

Impact Energy

1.4 J (1.0 ft. lbs)

AMPS (120V)

4.1 A

Vibration Level

7.5 m/s2(Concrete) / 3.0 m/s2 (Metal)

Noise Level

87 dB(A)

Overall Length

11-1/4" (285 mm)

Net Weight

5.3 lbs (2.4 kg)

Tape Measures

Tape Measures

Centering Tip SDS-PLUS Rotary Hammer Drill Bits

Centering Tip SDS-PLUS Rotary Hammer Drill Bits

LED Pen Light

LED Pen Light

Note: Makita Canada reserves the right to change specification of products without notice. The contents of the parts breakdown and Instruction manuals may be different from current products.


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