About MAKITA HR1840J Rotary Hammer
- Powerful 470 W motor delivers 0 – 2,100 RPM, 0 – 4,800 BPM and 1.4 J (EPTA-Procedure 05/2009) of impact energy for fast drilling
- Compact with less weight
- Torque limiting clutch engineered to minimize gear damage by automatically disengaging gears if the bit binds
- 2-Mode operation for “Rotation Only” or “Hammering with Rotation”
Technical Specifications
| Continuous rating Input | 470W |
| Cutting Capacity | Concrete : 16 mm (5/8”)
Steel : 10mm (3/8″) Wood : 13 mm (1/2″) |
| No load speed (rpm) | 0 – 2,100 |
| Blows per minute (bpm) | 0 – 4,800 |
| Sound pressure level | 87dB(A) |
| Sound power level | 98dB(A) |
| Vibration level | Concrete: 10.0m/s² |
| Impact Energy | EPTA-Procedure 05/2009: 1.6J |
| Dimensions (L x W x H) | 285 x 75 x 208mm |
| Net weight | 2.0 – 2.4kg (4.5 – 5.3lbs) |
| Power supply cord | 2.5m (8.2ft) |
