Makita HR1840 — 11/16" SDS-PLUS Rotary Hammer
Makita HR1840 — 11/16" SDS-PLUS Rotary Hammer
Makita’s HR1840 11/16-inch Rotary Hammer (accepts SDS-PLUS) is a compact and lightweight solution for concrete drilling. The HR1840 delivers more efficient hitting in a compact size for faster, more productive work. The compact size and high power-to-weight ratio makes the HR1840 ideal for overhead work and applications in close quarters.
Key Features
- Powerful 4.5 AMP motor delivers 1.03 ft.lbs of impact energy to handle the most demanding applications
- Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears if the bit binds
- Variable speed trigger enables user to match the speed to the application for greater versatility
- For dust management use available Dust Extraction Cup: Includes Side Handle Spacer, Side Handle Base and Bolt
- 2-mode operation for "Rotation Only" or "Hammering with Rotation"
- Ergonomic "Pistol-shaped" handle with rubberized soft grip for increased comfort
- Recessed lock-on button for continuous use
- Reverse rotation mode allows for easy bit removal should the bit bind
- Extended life brushes are longer for more work between service intervals and less downtime
- Makita Motor Advantage engineered with field core interlocking steel laminations, dual ball bearing armature and more copper commutator bars, increasing energy transfer efficiency for more power and longer tool life
Technical Specifications
| AMPS | 4.5 |
|---|---|
| Max. Capacity (concrete drilling) | 11/16" |
| Optimum Range (concrete drilling) | 5/32" - 3/8" |
| Max. Capacity (concrete drilling w/ core bit) | 1-3/8" |
| Impact Energy (ft.lbs.) | 1.03 |
| Impact Energy (Joules) | 1.4 J |
| Blows Per Minute (variable speed) | 0 - 4,800 BPM |
| No Load Speed (variable speed) | 0 - 2,100 RPM |
| Vibration Control | No |
| Vibration (m/s²) | 10 |
| Overall Length | 11-1/4" |
| Cord Length (ft) | 13.1' |
| Net Weight | 4.3 lbs. |
| Shipping Weight | 10.8 lbs. |
| Bit Type | Accepts SDS-PLUS |
| Power Type | Corded |
| Bind-Up Control | No |
| Packaged Width (in) | 14.8" |
| Packaged Height (in) | 12.8" |
| Packaged Depth (in) | 4.6" |
Included Accessories
- Depth Gauge (415486-9)
- Tool Case (821706-5)
- Side Handle
Manufacturer Resources
