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Hitachi DH40MEY 1-9/16 in. SDS Max Brushless Rotary Hammer

  • Hitachi DH40MEY 1-9/16 in. SDS Max Brushless Rotary Hammer
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Technology is the common thread behind the Hitachi brand. It's what makes Hitachi products superior in design and durability. From its birth, Hitachi has pioneered innovative technologies that have improved lives around the world. This knowledge is shared across all Hitachi divisions worldwide and is incorporated into applications that benefit many different products.
Durability is the bottom line for Hitachi Power Tools. Hitachi sees proof every day with some of their tools coming back for service that were sold 20 years ago! The technology Hitachi incorporates and the determination to produce nothing but the best is evident in the lifespan and longevity of Hitachi's tools.
  • Brushless Motor Technology for more run time, increased power and extended durability with essentially no maintenance
  • Patented User Vibration Protection (UVP) Technology for significantly less full-load tri-axial vibration transfer to the user for less fatigue and more production
  • AHB (Aluminum Housing Body) construction increases the life of the tool by combining a strong aluminum outer housing with a plastic inner housing to reduce vibration and improve safety
  • 2 Modes of operation- hammer drilling & hammer only- for flexibility within a range of applications
  • 8.1 ft-lbs of impact energy for busting through hard material
  • 2,850 Full load max impact rate to quickly remove stubborn material
  • 11.3 Amp motor and 1150 watts of input power for increased productivity
  • Optimized striking for more efficient transmission of power
  • Internal shock absorbing mechanism to increase the life of the tool by dampening impact on the internal parts
  • Variable speed to protect softer materials (such as brick) or to produce rapid results at full speed
  • Idle strike restrictor to prevent no-load activation and additional wear on the tool
  • Dust-resistant structure to guard internal components from harmful debris as well as grease leakage
  • Needle-pin slip clutch to protect tool gears and the safety of the user
  • Variable lock mechanism for 12-angle positions and a quick release system for simple bit changes
  • Soft, non-slip elastomer grip handle for improved comfort and control
  • 360 Degree adjustable side handle for maneuverability in tight spaces
  • Depth gauge for drilling accuracy
  • Accepts popular SDS Max bits
  • 1-9/16 in. SDS Max Brushless Rotary Hammer - DH40MEY
  • Depth Gauge
  • Hammer Grease
  • Side Handle
  • Case


Length: 18.8 in.
Width: 9.5 in.
Height: 4.3 in.
Weight: 16.5 lbs.
Amperage: 11.3A
BPM: 2,850
Chuck Type: 1-9/16 in.
Drilling Mode: Hammer Drill / Hammer Only
Handle Style: D-Handle
Impact Energy: 8.1 ft-lbs.
Max. Capacity Concrete: 1-9/16 in.
Max. Capacity Core Bits: 4-1/8 in.
RPM: 500



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