30mm (1-3/16″) 3.9J Combination Hammer 1,050W



30mm (1-3/16″) 3.9J • 4.1 – 4.5 kg (9.0 – 9.9 lbs.) • 1,050W



  • Drilling efficiency drastically increased by redesigned hammering mechanism
  • Anti-vibration side grip absorbs excess vibration beyond the canceling capacity of the two counterweights
  • Anti-vibration rear handle; Vibration absorbing performance is increased by two cushion rings added to connecting parts
  • Less bit wobbling achieved by making bit guide portion 8 mm longer than that of HR2811F series
  • Powerful 1,050 W motor delivers 3.9 J (EPTA-Procedure 05/2009) of impact energy to handle the most demanding applications
  • 3-mode operation for “Rotation Only”, “Hammering with Rotation” or “Hammering Only”
  • “No hammering when idling” function helps increase tool life
  • Torque limiting clutch engineered to minimize gear damage by automatically disengaging gears if the bit binds
  • Ergonomic “D-shaped” handle with rubberized soft grip for increased comfort
  • Variable speed control dial allows operator to adjust speed based on materials or application
  • Constant speed control automatically applies additional power to the motor to maintain speed under load
  • Recessed lock-on button for continuous operation
  • Depth gauge for increased drilling consistency
  • Double insulated


Standard Equipments:

Depth Gauge, Side Grip



Carbon Brush

Continuous rating input 1,050W
Impact Energy EPTA-Procedure 05/2009: 3.9 J
Our experimental conditions: 4.5 J
Capacity Concrete (w/ TCT Bit): 30 mm (1-3/16″)
Concrete (w/ Core Bit): 80 mm (3-1/8″)
Concrete (w/ Diamond Core Bit): 80 mm (3-1/8″)
Steel: 13 mm (1/2″)
Wood: 32 mm (1-1/4″)
Blows Per Minute (BPM) 0 – 4,500
No Load Speed (RPM) 0 – 840
Sound Pressure Level 94 dB(A)
Sound Power Level 105 dB(A)
Noise K Factor 3 dB(A)
Vibration Level Chiselling Function w/ Side Grip: 11.0 m/s²
Vibration K Factor Chiselling Function w/ Side Grip: 1.5 m/s²
Vibration Level Hammer Drilling into Concrete: 13.5 m/s²
Vibration K Factor Hammer Drilling into Concrete: 1.5 m/s²
Vibration Level Drilling into Metal: 6.0 m/s²
Vibration K Factor Drilling into Metal: 1.5 m/s²
Dimensions (L x W x H) 369 x 98 x 226 mm (14-1/2 x 3-7/8 x 8-7/8″)
Net weight 4.1 – 4.5 kg (9.0 – 9.9 lbs.)
Power supply cord 4.0 m (13.1 ft)


Compatible Accessories

Additional information

Main Category
Sub Category