Makita GAG03M1 40V Max XGT Brushless Lithium-Ion 4-1/2 in./5 in. Cordless Paddle Switch Angle Grinder Kit with Electric Brake (4 Ah) - GAG03M1
The 40V max XGT® Brushless Cordless 4-1/2" / 5” Paddle Switch Angle Grinder Kit with Electric Brake (GAG03M1) delivers corded grinding performance without the cord for the most demanding applications. It's powered by a Makita-built brushless motor which delivers 8,500 RPM for heavy-load applications and increased power and speed. The GAG03M1 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 draft Feedback-sensing Technology (AFT®) that turns the motor off if rotation of the wheel is forced to a stop.
Features:
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: 13 AMP Corded Power
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: Makita-built brushless motor along with 40V max XGT® battery delivers up to 60% faster cutting speed
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: AFT® turns the motor off if rotation of the wheel is suddenly forced to stop
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: Electric brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity
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: (1) 40V max XGT® Lithium-Ion 4.0Ah battery, charger, grinding wheel, wheel guard, side handle and bag
What Our Experts Think
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Makita GMH04PLX 80V max XGT Brushless 70 lb. 1‑1/8" Hex AVT Breaker Hammer Kit delivers serious cordless demolition power for concrete, masonry, and heavy chiseling.
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80V max (40V max X2) XGT brushless motor provides strong torque and consistent performance on demanding jobs.
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1‑1/8" hex capacity handles large chisels and breaking tasks with ease.
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AVT (Anti‑Vibration Technology) reduces vibration for comfort and control during prolonged use.
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AWS capable for automatic start/stop when paired with supported tools and extractors.
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8.0Ah batteries included deliver extended runtime for longer sessions without frequent swaps.
Product Q&A
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What battery system does it use?
Makita 80V max (40V max X2) XGT Lithium‑Ion (two 8.0Ah batteries included).
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Is it suitable for heavy demolition?
Yes — high impact energy and large hex capacity make it ideal for breaking concrete and tough surfaces.
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Does it reduce vibration?
Yes — AVT minimizes vibration for improved comfort.
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Can it sync with dust extraction?
Yes — AWS capability allows automatic on/off with compatible extractors.
Maintenance Tips
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Wipe dust and debris from the tool body and vents after each use.
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Inspect chisels and replace if worn or damaged.
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Check handles and fasteners before operation to ensure tightness.
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Store the breaker and batteries in a cool, dry place when not in use.
Damage 
Loss 
Theft 
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