The product life cycle is significantly extended by eliminating troubles with armature burnout, layer short and commutator wear. Besides, no carbon brush replacement is required.
Fastest drilling speed and highest demolition performance in its class even at voltage drop
The efficient brushless motor offers higher drilling performance even with an extension cord used.
Compatible with engine generators
Designed to be powered by engine generators as well, thanks to Our original compact and high efficiency inverter circuit.
Fastest* drilling speed and highest* demolition performance in its class
The high efficiency brushless motor and the optimized hammering mechanism achieve the fastest drilling speed* and the highest demolition performance* in its class.
- As of March 2015. Among 45mm class rotary hammers made by leading power tool manufacturers, surveyed by Koki Holdings.
The internal double-insulation construction with a very sturdy aluminium die-cast body and a plastic internal stator holder
makes the housing more rigid, significantly enhancing durability of the motor unit.
1. Push-button, constant speed control with variable speed
Due to the built-in electronic control circuit that can adjust the impact rate according to applications, four-step impact rates can be selected by the rotation speed selector switch.
2. Power Lamp
lights up when the plug is inserted into an outlet.
One push action for quick bit mounting
A bit can be mounted by simply inserting it into the tool holder.
Large change lever
An up-sized mode change lever is located on the top of the tool body for easier handling.
Large trigger switch
Upsized, easy-to-grip trigger switch for more control.
Continuous operation function (available for the Hammering Mode)
keeps the tools running even after the trigger switch is released, making chiseling easier.