The Makita XAG22ZU1 is a 36V (18V X2) brushless 7 in. paddle-switch grinder adding AWS (Auto-Start Wireless System) to the XAG12Z1's proven platform. Running at 7,800 no-load RPM with an electric brake that stops the 7 in. disc in 4.5 seconds or less, the XAG22ZU1 automatically activates a compatible Makita dust extractor via Bluetooth whenever the tool runs. The paddle switch requires continuous grip, and no lock-on ensures the tool stops immediately if released. Tool only — batteries and charger sold separately.
What does the AWS feature add to the XAG22ZU1 compared to the XAG12Z1?
AWS (Auto-Start Wireless System) adds Bluetooth communication between the grinder and a compatible Makita dust extractor. When you engage the paddle, the grinder wirelessly signals the extractor to start; when you release, it signals the extractor to stop. On large concrete grinding jobs where silica dust control is required, this automation keeps the extraction system running in sync without manual intervention.
Can the XAG22ZU1 run without a compatible dust extractor?
Yes, AWS is entirely optional. Without a compatible extractor, the XAG22ZU1 operates as a standard 36V 7 in. paddle-switch grinder. The AWS transmitter simply sends signals with no impact on the grinder's performance if no receiver is present.
Is this grinder suitable for OSHA silica Table 1 compliance?
When paired with a compatible AWS-enabled Makita dust extractor meeting the required airflow and filtration specifications, the XAG22ZU1 is designed for use in silica-dust-controlled environments. Consult OSHA Table 1 for the specific extractor requirements for grinding concrete with a 7 in. grinder.
How does the 7 in. XAG22ZU1 compare to the 9 in. XAG23ZU1?
Both are 36V (18V X2) brushless paddle-switch grinders with electric brakes and AWS. The XAG23ZU1 uses a larger 9 in. disc at 6,000 RPM, covering more area per pass but adding weight and reducing maneuverability. The XAG22ZU1 at 7 in. and 7,800 RPM is a better balance of power and control for most professional applications.
What batteries are needed to run the XAG22ZU1?
Two 18V LXT batteries with the Star symbol are required. BL1850B (5.0Ah) or BL1860B (6.0Ah) packs are recommended for sustained heavy use. The two batteries slide into the dual-port housing and connect in series for 36V output automatically.
# Makita 18V X2 LXT (36V) Brushless 7 in. Paddle Switch Cut-Off/Angle Grinder with Electric Brake and AWS (Tool Only) **Model:** `XAG22ZU1` **Brand:** Makita **Category:** Angle Grinder > The Makita XAG22ZU1 is a 36V (18V X2) brushless 7 in. paddle-switch grinder adding AWS (Auto-Start Wireless System) to the XAG12Z1's proven platform. Running at 7,800 no-load RPM with an electric brake that stops the 7 in. disc in 4.5 seconds or less, the XAG22ZU1 automatically activates a compatible Makita dust extractor via Bluetooth whenever the tool runs. The paddle switch requires continuous grip, and no lock-on ensures the tool stops immediately if released. Tool only — batteries and charger sold separately. ## Specifications | Attribute | Value | |---|---| | Product Type | Angle Grinder | | Voltage | 36 | | Platform | LXT X2 | | Disc Diameter In | 7 | | No Load Rpm | 7,800 | | Spindle Thread | 5/8 in.-11 | | Brushless | Yes | | Tool Only | Yes | | Battery Included | No | | Charger Included | No | | Weight (lbs) | 11.4 | | Warranty | 3-year limited | ## What's Included - angle grinder - wheel guard - side handle Source: https://www.jaspecs.com/makita/angle-grinder/xag22zu1-makita-18v-x2-lxt-brushless-7-in-angle-grinder-tool-only/