Description
Ultra-Compact SDS Solution: The HR166D is one of the most compact and lightweight rotary hammers in its class, specifically designed for overhead drilling and one-handed operation in tight, awkward spaces.
Brushless (BL) Motor Efficiency: Optimized for the 12Vmax CXT platform, the brushless motor eliminates friction and heat buildup, providing significantly more work per charge and a longer tool life compared to brushed models.
2-Mode Versatility: Features a simple toggle for “Rotation only” and “Hammering with rotation,” making it the ideal tool for electricians and HVAC installers who need to drill both pilot holes and masonry anchors.
Vibration Absorbing Housing: Despite its small size, the tool is engineered with a vibration-absorbing handle design that isolates the user from the impact mechanism, reducing hand and arm fatigue during repetitive drilling.
Variable Speed Trigger: The trigger allows for precise control over the drilling speed, enabling a slow start for more accurate hole positioning on smooth surfaces like brick or tile.
Built-in LED Job Light: Includes a bright LED with pre-glow and afterglow functions to illuminate the work area, ensuring clear visibility when working inside cabinets or in poorly lit crawlspaces.
Ergonomic Pistol Grip: The handle is designed with a rubberized soft grip for superior comfort and control, providing a secure hold even when applying pressure for horizontal or vertical drilling.





![Makita HR166DWYE1 Cordless 16 mm (5/8") Rotary Hammer SDS PLUS 12V max CXT Brushless [KIT SET]](https://www.hansinfinitetools.com/wp-content/uploads/2026/04/HR166DWYE1.jpg)
![Makita HR166DWYE1 Cordless 16 mm (5/8") Rotary Hammer SDS PLUS 12V max CXT Brushless [KIT SET] - Image 2](https://www.hansinfinitetools.com/wp-content/uploads/2026/04/HR166DWYE1-3.jpg)
![Makita HR166DWYE1 Cordless 16 mm (5/8") Rotary Hammer SDS PLUS 12V max CXT Brushless [KIT SET] - Image 3](https://www.hansinfinitetools.com/wp-content/uploads/2026/04/HR166DWYE1-2.jpg)




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