Makita USA - Product Details -GRH05Z

40V max XGT® Brushless 1-9/16" SDS-MAX AVT® Rotary Hammer, AFT®, AWS® Capable

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GRH05Z

40V max XGT® Brushless Cordless 1‑9/16" SDS‑MAX AVT® Rotary Hammer, AFT®, AWS® Capable, Tool Only

PERFORMANCE : Makita-built brushless motor along with 40V max XGT® battery combine to drill faster than corded
CONTROL : Constant speed control maintains drilling performance
COMFORT : AVT® is a counterbalance system along with vibration-absorbing handles that work to reduce vibration
DUST MANAGEMENT : AWS® Capable for wireless power-on/off communication between tool and extractor
INCLUDES : Side handle, grease, towel

The 40V max XGT® Brushless 1-9/16” AVT® Rotary Hammer (GRH05Z, tool only) is a cordless concrete solution designed for heavy-load applications. It delivers the power, speed, and run-time for corded demands, without the cord.

The GRH05Z features Active Feedback-Sensing Technology (AFT®), which electronically turns off the motor if rotation of bit is suddenly forced to stop, and Anti-Vibration Technology (AVT®) for reduced vibration. More than just a padded handle, AVT is an internal counterbalance that uses air pressure to move counterweight pistons in the opposite direction of the drive piston to actively reduce vibration. In addition, the vibration-absorbing back handle and side handle further reduce vibration. For added durability in harsh job site conditions, Extreme Protection Technology (XPT™) is engineered for improved dust and water resistance.

Auto-Start Wireless System (AWS®) uses Bluetooth® technology for wireless power-on and power-off communication between the equipped tool and dust extractor. Once connected via AWS, the AWS-equipped dust extractor will automatically power on or off when the AWS-equipped cordless tool starts or stops, running only when the tool is in use. This increases productivity on a single charge and reduces continuous noise at the job or work site.

Constant speed control automatically applies additional power under load for optimum performance. The torque limiting clutch is engineered to prevent gear damage by automatically disengaging the gears if the bit binds, and constant speed control automatically adds power to the motor to maintain speed under load to complete the most demanding jobs. Additional performance features include an electric brake, variable speed dial, built-in L.E.D. light, a soft-start to suppress start-up reaction, and Soft No-load function that automatically reduces the speed of the motor when idling.

The Rotary Hammer has dust extraction capability an optional Makita Dust Attachment Kit (sold separately).

It has 2-modes of operation - "Hammering with Rotation" or "Hammering Only". The GRH05Z is ideal for a range of trades including mechanical/electrical/plumbing contractors, concrete contractors, road and bridge contractors, utility workers, pest control, maintenance operations, and more. It accepts SDS-PLUS bits.

XGT is a system of equipment, tools, batteries and chargers utilizing 40v max lithium-ion batteries. XGT is engineered to deliver high power to take on high-demand applications, allowing users to completely transition to a cordless job site. XGT is equipped with advanced brushless motor engineering, intelligent digital communication, and superior durability features to outpower, outsmart and outlast the rest.

OUTPOWER: Makita-built brushless motor along with 40V max XGT® battery combine to deliver the power performance required for heavy-load application
OUTSMART: Auto-start Wireless System (AWS®) utilizes Bluetooth® technology for wireless power-on/off communication between tool and dust extractor (AWS® Transmitter sold separately)
OUTLAST: Extreme Protection Technology (XPT™) is engineered for improved dust and water resistance for operation in harsh conditions
Anti-Vibration Technology (AVT®) is an internal counterbalance system along with vibration-absorbing handles that work together to reduce vibration
Active Feedback-Sensing Technology (AFT®) electronically turns off the motor if rotation of bit is suddenly forced to stop
Electric brake allows the tool to be repositioned faster for maximum productivity
Dust extraction capability with optional Makita Dust Attachment Kit
Constant speed control automatically applies additional power under load for optimum performance
Soft start suppresses start-up reaction for more precision and better accuracy
"Soft no-load" function automatically reduces the speed of the motor when idling to help increase tool life and performance
Built-in L.E.D. light with an independent on/off switch illuminates the work area
Variable speed dial enables the operator to match the speed to the application
Large Multi-finger power trigger for increased comfort during extended use
2-mode operation for "Hammering with Rotation" or "Hammering Only" for increased versatility
Multiple bit angle settings allows the steel/bit to be set at different positions for operating convenience
Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears during a bind-up situation
The digital communication within XGT® optimizes performance to provide up to 2X longer sustained power under heavy-load applications
The digital communication within XGT® actively monitors and protects against overload, over-discharge and overheating
XGT® Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demands
XGT® Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications (batteries not included)
The XGT® Rapid Charger with dual-fan design circulates air through the battery to cool the battery and circuit board quickly for faster charging (charger not included)
The XGT® Rapid Charger’s digital display indicates battery charge level (-80%, +80%, 100%)
The XGT® Rapid Charger’s built-in chip thoroughly communicates during the charging process to control current, voltage, and temperature for more efficient charging
Compatible with Makita® 40V max XGT® Lithium-Ion Batteries
Only use genuine Makita batteries and chargers
3-year limited warranty

XGT® is a new 40V | 80V max system of cordless equipment and tools. XGT outpowers, outsmarts, and outlasts the rest. Through Makita’s innovative engineering, the technology within XGT will lead to creating the equipment and tools of the future [Learn More]

When the job takes your Makita tool into harsh conditions, Makita Extreme Protection Technology (XPT™) provides added protection. XPT™ is a series of integrated seals engineered to channel away dust and water for increased durability. Wherever the job takes you, Makita tools equipped with XPT™ are engineered for increased durability and longer tool life.

Anti-Vibration Technology (AVT®) is a counterbalance system inside the tool that significantly reduces vibration. The AVT® counterbalance design is based on seismic engineering, which developed this damping science to absorb shocks and protect buildings from earthquakes. AVT® uses a mechanical damper, effectively a counterbalance weight inside the tool, that provides an equal and opposite force that puts a mass directly opposite the point where the striker bolt delivers the impact. As vibration is eliminated, power is efficiently increased which allows more of the generated energy in the motor to be delivered to the tool bit. Makita also has an AVT® counterbalance system in select recipro saws. For users, AVT® means significantly less vibration with no compromise in power and performance. [Learn More]

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