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2025 Makita Grinding, Sanding & Polishing - Angle Grinders GAG04Z

The 40V max XGT® Brushless Cordless 4-1/2" / 5” Angle Grinder with Electric Brake and AWS® (GAG04Z, tool only) delivers corded grinding performance without the cord for the most demanding applications. It's powered by a Makita-built brushless motor which delivers variable 3,000-8,500 RPM for heavy-load applications and increased power and speed. The GAG04Z offers up to 60% faster cutting speed when cutting #5 (5/8”) rebar. It is ideal for grinding and cutting a wide range of materials including tile, concrete, pipe, conduit, and more.

An electric current limiter helps protect the motor from overload in high-torque applications. Additional features include an electric brake that stops the grinding or cut-off wheel in 2 seconds or less and Active Feedback-sensing Technology (AFT®) that turns the motor off if rotation of the wheel is forced to a stop.

A slide switch with lock-on is convenient, while quick guard rotation provides tool-less adjustments for increased productivity. Anti-restart protection is engineered to prevent motor start-up when the battery is inserted while the slide switch is locked on. A soft start suppresses start-up reaction and provides smooth start-ups.

Wire mesh intake covers are engineered to prevent debris from entering the motor. The GAG04Z is also equipped with Makita's Extreme Protection Technology (XPT™), a series of protective seals inside the tool. XPT is designed to improve a tool’s operation in harsh conditions by channeling water and dust from key internal components. Reinforced metal gear housing provides additional durability on the job site.

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.

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.

Features may include:

• OUTPOWER: Makita-built brushless motor along with 40V max XGT® battery combine to deliver powerful grinding and up to 60% faster cutting speed than predecessor models*

• 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: Electronic current limiter helps protect the motor from overload in high torque application

• Variable speed control dial allows for RPM adjustment (3,000-8,500) to match the speed to the application

• Active Feedback-sensing Technology (AFT®) turns the motor off if rotation of the wheel is suddenly forced to stop

• Electric brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity

• Anti-restart protection engineered to prevent motor start up when battery is inserted with switch locked on

• Slide switch with lock-on for operator convenience

• Quick guard rotation allows easy tool-less adjustment for increased productivity

• Soft start suppresses start-up reaction for smooth start-ups and longer gear life