Makita 40V Max XGT️ Demolition Hammer AVT (Bare Tool) - GMH01Z
The Makita 40 Volt Max XGT cordless demolition hammer tool only delivers 0 to 2,650 BPM and 9.4 ft-lb of impact energy, maximum versatility and performance for up to 50% longer run time, increased power and speed. Hammer with SDS-Max bits, features anti-vibration technology for reduced vibration. It has Extreme Protection Technology (XPT) that helps to deliver increased dust and water resistance in harsh job site conditions. The hammer features Auto-start Wireless System (AWS) that utilizes Bluetooth technology to control the communication between the tool and optional dust extractor wirelessly. Once the tool is connected via AWS, the dust extractor automatically power On or Off when the tool starts or stops. This helps to increase the productivity on a single charge and reduces continuous noise at the job or work site.
Features
- OUTPOWER: Makita-built brushless motor along with 40V max XGT battery combine to deliver up to 20% faster breaking efficiency than corded equivalent model*
- OUTSMART: Constant speed control automatically applies additional power under load for optimum performance
- 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
- Auto-start Wireless System (AWS) utilizes Bluetooth technology for wireless power-on/off communication between tool and dust extractor (AWS Transmitter sold separately)
- Dust extraction capability with optional Makita Dust Attachment Kit
- Soft start suppresses start-up reaction for improved accuracy
- Soft no-load
- Built-in L.E.D. light with an independent on/off switch illuminates the work area
- Variable speed dial and trigger enables operator to match the speed to the application
What our Experts Think
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Unmatched Power & Productivity: Designed for professional demolition, the brushless motor delivers high impact energy to break concrete, masonry, and hard surfaces with ease — ideal for contractors and heavy-duty jobs.
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Advanced Vibration Control: AVT (Anti-Vibration Technology) significantly reduces user fatigue during long shifts, improving comfort and precision on tough applications.
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Efficient Brushless System: Expert preference for brushless design — it maximizes runtime and tool life while minimizing maintenance compared to brushed alternatives.
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40V XGT Platform Advantage: Seamless integration with Makita’s 40V Max XGT battery ecosystem means high-output performance and future-proof scalability across professional tools.
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Bare Tool Flexibility: Professionals appreciate the bare-tool format — perfect for those who already own compatible batteries/chargers and want to avoid duplicate accessories.
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Rugged Job-Site Durability: Built to withstand harsh conditions with robust construction, making it a reliable choice for daily demolition work.
Q&A
Q: What is the Makita GMH01Z?
A: A 40V Max XGT cordless demolition hammer with AVT (Anti-Vibration Technology) for heavy material demolition.
Q: Who is this demolition hammer for?
A: Professionals and tradespeople handling concrete, masonry, tile, and heavy demolition work.
Q: What power system does it use?
A: Powered by Makita’s 40V Max XGT platform (bare tool only, battery and charger not included).
Q: What does AVT mean?
A: Anti-Vibration Technology reduces vibration for greater operator comfort and longer use.
Q: How effective is it at demolition?
A: Designed for high impact energy and sustained performance, making it ideal for tough breaking tasks.
Q: Is this tool corded or cordless?
A: It’s cordless, offering freedom of movement without power cords on job sites.
Q: What are its typical applications?
A: Suited for breaking concrete slabs, masonry walls, tile removal, and renovation work.
Q: Is battery included?
A: No — this is a bare tool, so XGT battery and charger must be purchased separately.
Q: Why choose the XGT demolition hammer?
A: It delivers professional-level power, reduced vibration, and cordless convenience in tough conditions.
Q: What makes it different from other demolition hammers?
A: Combines high impact performance with Makita’s advanced battery system and AVT comfort.
Maintenance Tips
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Clean After Each Use: Wipe dust and debris from the tool body and vents with a soft, dry cloth to prevent buildup and heat issues.
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Battery Handling: Always remove the battery when the tool is idle and store batteries at moderate temperatures (10–40 °C) to prolong life.
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Charge Smart: Charge the battery before it’s fully drained and avoid overcharging to maximize cycle life.
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Inspect Fasteners & Bit: Before operation, check that screws, the SDS-MAX bit, and handles are secure to maintain performance and safety.
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Keep Contacts Clean: Ensure battery terminals and tool contacts are free of dust and moisture for reliable power delivery.
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Let It Cool: If the tool overheats or stops under heavy load, power down, let it cool, then resume use.
Damage 
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