The Makita HR1840 is a compact and lightweight rotary hammer designed for efficient concrete drilling and other heavy-duty applications. Equipped with a Makita-built 4.3 AMP motor, it delivers a no-load speed of 0-2,100 RPM and a variable speed of 0-4,800 BPM, providing 1.03 ft-lbs. of impact energy. This tool is perfect for overhead work and applications in close quarters due to its high power-to-weight ratio and compact size.

Key Features:

• Two-Mode Operation: The HR1840 offers 'Rotation Only' and 'Hammering with Rotation' modes for versatile use.
• Torque Limiting Clutch: Prevents gear damage by disengaging gears if the bit binds, ensuring tool longevity.
• Ergonomic Design: Features a pistol-shaped handle with a rubberized grip for enhanced comfort during extended use.
• One-Touch Sliding Chuck: Facilitates quick and easy bit changes, reducing downtime.
• Large Trigger Switch: Includes a recessed lock-on button for continuous use.

Technical Specifications:

• Motor Power: 4.3 AMP
• No Load Speed: 0-2,100 RPM
• Blows Per Minute: 0-4,800 BPM
• Impact Energy: 1.03 ft-lbs. (1.4 Joules)
• Bit Type: Accepts SDS-PLUS bits
• Power Type: Corded
• Cord Length: 13.1 feet
• Net Weight: 4.3 pounds
• Dimensions: 285 x 75 x 208 mm
• Vibration: 10 m/s²
• Max. Capacity (Concrete Drilling): 11/16"
• Max. Capacity (Concrete Drilling with Core Bit): 1-3/8"
• Optimum Range (Concrete Drilling): 5/32" - 3/8"

In conclusion, the Makita HR1840 stands out as a reliable and efficient tool, tailored for various applications such as masonry, remodeling, and maintenance. Its compact design and advanced features cater to both professionals and DIY enthusiasts.