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Makita Rotary Hammer HR4511C-avt

Model: HR4511C

Product Details

Makita Rotary Hammer HR4511C-AVT


  • High performance and low vibration (with Vibration absorbing grip)
  • One touch sliding chuck enables easy bit change
  • 2-mode switch for "hammering only" or "hammering with rotation"
  • AVT (Anti-Vibration Technology) Active Dynamic Vibration Absorbe ensures extra-low vibration
  • Ergonomically designed handle with rubberized soft grip provides more control and comfort


  • Makita's "Active" dynamic vibration absorber
    • Shift of air pressure in crank room and barrel room "actively" controls balancer to move opposite of piston.
  • Vibration absorbing grip
    • Spring loaded hinged grip absorbs vibrations.
  • See the result of AVT
    • Comparison of vibration level* and time to reach ELV (Exposure Limit of Vibration)**
    • *It is known as the tri-axial value and value at directive of A(8).
      **It means the maximum amount of vibration that an operator may be exposed to on any single day.
  • Extremely comfortable
    • Easiest to manage the exposure of vibration to hands and arms.
  • Slide chuck
    • Push-in and go
    • Slide-back and pull
  • LED lamp
    • For indication of "Green"
      • being electrified of "Blinking Red"
      • replacing of carbon brush
  • Electronic control features
    • Variable speed control by dial constant speed control, Soft start variable speed control
  • Rubberized soft grip
    • Provides more control and comfort while minimizing hand fatigue and pain.
  • No hammering while Idling
    • Ensures machine's long life.
  • Change lever in protected position
    • For reduced possibility of breakage even if the machine is carelessly down to rest.
  • Torque limiter
    • When drill bit hits against reinforcements, torque limiter operates to stop.
  • Auto cut-out carbon brush
    • Protects commutator and indicates time for maintenance.
  • Longer life of carbon brushes
    • Features twice as long as that of predecessor model by employing large carbon brush.
  • 16 Angle settings of chisel bit

Specifications :

  • Concrete: 45mm (1-9/16")
  • Core bit: 125mm (4-1/8")
  • Input: 1,350W
  • Impact per minute: 1,250-2,750ipm
  • No load speed: 130-288rpm
  • Overall length: 458mm (18")
  • Net weight: 8.5kg (18.7lbs)
  • Power supply cord: 5m (16.4ft.)


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SGD 1,230.50
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