Makita USA - Product Details -GD0800C

GD0800C

1/4" SJS™ Die Grinder

POWER : High-speed motor (7,000 - 28,000 RPM) for maximum production
PERFORMANCE : SJS™ technology is a mechanical clutch system that helps prevent motor and gear damage
COMFORT : Slim double-neck design
DESIGN : Electronic speed control maintains constant speed even under load
INCLUDES : 1/4" collet cone, wrenches and side handle

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SJS® - Super Joint System
SJS® Super Joint System is a mechanical clutch system that helps prevent motor and gear damage in grinders if the wheel is forced to a stop. The drive shaft from the armature to the drive gear is spring-loaded during normal grinding load. If binding occurs or the wheel is forced to stop, the spring is compressed allowing the drive shaft to slip. The gear tension is minimized while the armature continues to rotate, which helps prevent motor burn-out. SJS® is a mechanical clutch system, not elecronic, so the grinder does not require a re-start if the wheel binds. [Learn More]

About Model

Makita’s ¼” SJS™ Die Grinder (model GD0800C) combines a powerful 6.6 AMP motor with motor and gear protection features for longer-lasting grinding performance. The GD0800C features a slide switch for increased convenience.

The GD0800C is equipped with SJS™ , an innovative mechanical system that allows the drive shaft to slip if the wheel suddenly catches or binds. SJS™ is engineered to help protect the gears and motor, and extend grinder life.

The GD0800C is powered by a 6.6 AMP motor that delivers 7,000 – 28,000 RPM with soft start for smooth start-ups. The electronic speed control maintains constant speed under load, and a variable speed control dial allows the user to match the speed to the application. Consistent with other models in Makita’s expanding grinder line-up, the GD0800C features labyrinth construction, a series of channels engineered to capture dust and debris and prevent contaminants from penetrating the gear box and front armature bearing for longer tool life. In addition, the protective zig-zag varnish seals the motor and bearings from dust and debris by creating a barrier under rotation.

Features

Powerful 6.6 AMP motor delivers 7,000-28,000 RPM for faster material removal
SJS™ technology is a mechanical clutch system that helps prevent motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop
Variable speed control dial enables user to match the speed to the application
Constant speed control automatically applies additional power to the motor to maintain speed under load
Soft start suppresses start-up reaction for smooth start-ups and longer gear life
Electronic current limiter helps protect the motor from overload
Directional air-flow vents channel the tool's air output away from the user's face
Labyrinth construction prevents debris from penetrating the motor, bearings and gears for longer tool life
Zig-zag varnish protects the armature coil from dust and debris for longer motor life
Overall length: 14-5/8"