Description
Makita 5" SJS II High-Power Angle Grinder with Brake - GA5091
The Makita GA5091 5" Angle Grinder is engineered for professional performance with a 15 AMP motor delivering variable speeds from 2,800 – 11,500 RPM. Built for versatility and power, it features a mechanical brake that stops the wheel in under 2.5 seconds and SJS II vibration-reduction technology for increased operator comfort and productivity during extended use.
This grinder integrates an electronic controller that delivers soft start, constant speed control, and an electronic current limiter for overload protection. Labyrinth construction, zig-zag epoxy armature coating, and a powder-coated field provide maximum motor protection against dust and debris. Spiral bevel gears, a fully aluminum gear housing, and enlarged cooling fins ensure smoother operation, efficient energy transfer, and long tool life.
Convenience features include a tool-less wheel guard, slide switch with lock-on, and a vibration-absorbing side handle. With its robust build and advanced safety features, the GA5091 is ideal for cutting, grinding, and heavy-duty metalworking in industrial and construction environments.
Key Features:
- High-Power Motor – 15 AMP motor with variable 2,800–11,500 RPM for demanding applications.
- SJS II Technology – Leaf spring and cam gear drive mechanism reduces vibration for operator comfort.
- Mechanical Brake – Stops the wheel in under 2.5 seconds for improved safety.
- Electronic Control System – Soft start, constant speed control, and electronic current limiter protect the motor and gears.
- Durability Features – Labyrinth construction, epoxy-coated armature, powder-coated field, and spiral bevel gears extend tool life.
- Operator Comfort – Lightweight 5.7 lb. design with vibration-absorbing side handle and tool-less guard adjustment.
Technical Specifications:
- Model: GA5091
- Motor: 15 AMP
- No Load Speed (Variable): 2,800 – 11,500 RPM
- Wheel Diameter: 5"
- Spindle Thread: 5/8"-11 UNC
- Overall Length: 11-7/8"
- Net Weight: 5.7 lbs.
- Switch Type: Slide switch with lock-on
- Power Type: Corded
- Electric Brake: Yes
Included Accessories:
- 5" x 1/4" x 7/8" INOX Grinding Wheel, 36 Grit (A-95962)
- 5" Tool-less Wheel Guard (123145-8)
- Inner Flange (224399-1)
- Lock Nut Wrench (782412-6)
- Side Handle (162258-0)
- Lock Nut (224568-4)
