Makita Angle Grinder GA9060 9 Inch 15 Amp Corded (6600 RPM Lock-On Switch Labyrinth Dust Seals Bevel Gears Heavy Steel Masonry Cutting)
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Makita GA9060 9-Inch 15.0 Amp Corded Heavy-Duty Angle Grinder with Lock-On Switch
The Makita GA9060 9-Inch Angle Grinder is an industrial electric metalworking and masonry grinding tool engineered for high-volume weld removal, steel plate beveling, and concrete joint scoring. Driven by a 15.0-amp motor operating at 6,600 RPM, this 12.1-pound corded grinder features an aluminum gear housing that rotates every 90 degrees to optimize trigger positioning. Outfitted with a 9-inch wheel guard, labyrinth dust seals, zig-zag protective epoxy coatings on the armature coils, spiral bevel gears, and a 3-position side handle, this 17-3/4 inch machine utilizes auto-cutoff carbon brushes to shield the motor during heavy shipyard and structural fabrication tasks.
Best Used For:
- Heavy Structural Steel Weld Removal: Milling down thick structural weld seams and beveling heavy plate edges using 9-inch grinding wheels at 6,600 RPM.
- Deep Concrete & Brick Masonry Cutting: Scoring control joints and cutting thick brick, paver stones, and foundation blocks with 9-inch diamond blades.
- Industrial Rust & Scale Stripping: Removing heavy mill scale, ship hull corrosion, and rust from steel plate stock using wire cup brushes.
Key Performance & Safety Features
- 15.0 Amp High-Output Industrial Motor: High-torque motor delivers 6,600 RPM for continuous heavy grinding without wheel bogging under downward pressure.
- Labyrinth Housing Dust Seals: Complex internal channels seal drive bearings and motor armatures against abrasive metal shavings and silica dust.
- Zig-Zag Armature Coil Protection: Protective epoxy coatings baked onto armature coils prevent dust particle impact from damaging internal wiring.
- Spiral Bevel Gear Transmission: Heavy-duty bevel gear train ensures smooth rotational power transfer and maximizes gear life under load.
- 3-Position Adjustable Side Handle: Mounting ports on top, left, and right sides permit custom hand placement for right- or left-handed leverage.
- Auto-Cutoff Carbon Brushes: Spring-loaded brushes automatically disengage commutator contact when worn to protect the armature from damage.
What's Included
- (1) Makita GA9060 9" 15.0A Heavy-Duty Angle Grinder
- (1) 9" Adjustable Grinding Wheel Guard (122938-0)
- (1) 3-Position Side Handle (143486-6)
- (1) Inner Flange (224317-9)
- (1) Outer Lock Nut (224486-6)
- (1) Lock Nut Wrench (782412-6)
Technical Specifications
| Brand / Manufacturer | Makita |
| Model / Part Number | GA9060 |
| Motor Amperage & Voltage | 15.0 Amps @ 120V AC / 60 Hz |
| No Load Operating Speed | 6,600 RPM |
| Grinding Wheel Capacity | 9.00 in. (228.6 mm / 9 in.) |
| Spindle Thread Size | 5/8 in. - 11 UNC Standard Spindle |
| Switch Style & Safety | Rear Trigger Switch with Lock-On & Lock-Off Safety |
| Gear Housing Material | Die-Cast Aluminum (Rotates Every 90°) |
| Dust & Motor Protection | Labyrinth Seals, Zig-Zag Epoxy Armature Coating |
| Overall Tool Length | 17.75 in. (450.85 mm / 17-3/4 in.) |
| Tool Net Weight | 12.1 lbs (5.49 kg) |
| Shipping Total Weight | 15.57 lbs (7.06 kg) |
| UPC Code | 088381-809962 |
Pro-Tip: Unbolt and rotate the aluminum gear housing 90 degrees when setting up the grinder for horizontal masonry cutting; this keeps the rear trigger switch positioned naturally under your index finger for improved control.
