Makita USA - Product Details -GA4590

4-1/2" SJS™II Angle Grinder

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GA4590

4‑1/2" SJS™II High‑Power Angle Grinder

POWER : Powerful 15 AMP motor delivers more output and variable (2,800 - 11,500) RPM
DURABILITY : Zig-zag epoxy is applied to the armature for protection from debris and longer tool life
COMFORT : SJS™II technology is a leaf spring and cam gear drive mechanism engineered to reduce vibration
VERSATILITY : Variable speed control dial enables user to match the speed to the application
INCLUDES : Grinding wheel, wheel guard, side handle, inner flange, lock-nut and wrench

Powerful 15 AMP motor delivers more output and variable (2,800 - 11,500) RPM
SJS™II provides a leaf spring and cam gear drive mechanism that is engineered to reduce vibration for increased operator comfort during extended use
Vibration absorbing side handle provides increased comfort on the job
Electronic controller provides constant speed control which automatically applies additional power to the motor to maintain speed under load
Electronic Controller provides soft start which is designed to suppress start-up reaction for smooth start-ups and longer gear life
Electronic Controller provides an electronic current limiter which helps protect the motor from overload in high torque applications
Variable speed control dial enables user to match the speed to the application
Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life
Motor fan is designed with enlarged fins for increased air flow and a cooler running motor
Complete zig-zag epoxy is applied to both sides of the armature coil and a powder coating to the field for protection from debris and longer tool life
Spiral bevel gears for smoother rotations and a more efficient transfer of energy
Fully aluminum constructed gear housing provides superior gear alignment and smooth transmission for increased durability and comfort
"Tool-less" wheel guard for easy adjustment
Slide switch with lock-on for continuous use

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