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Demolition Hammer 8K 45MM 1500W
Hammer SDS-Max
Demolition Hammer 8K 45MM 1500W

► No wearing parts (carbon brushes, commutator, field coil)
► Our original compact controller The brushless motor offers a significantly extended product life cycle by eliminating trouble including armature burnout, layer short or commutator wear even in severe work environments. Besides, no carbon brush replacement is required. Equipped with Our original, compact high efficiency inverter circuit, the demolition hammer works with an engine generator that doesn’t have an on-board inverter. Our original, spring-type dynamic vibration absorber with a weight and two springs move in the opposite direction to the vibration direction of the main body. This results in reduced vibration and improved operating efficiency. Our original vibration-absorbing mechanism with the Transatory unit (rubber dampers) and the hinge unit provides high vibration absorbing effect. This will help absorb and reduce vibrations to the user, making it more comfortable for prolonged periods of time.

The UVP system includes the LVH mechanism. makes the housing more rigid, significantly enhancing durability of the motor unit.

Rotary Hammers 8K 45MM 1500W
Hammer SDS-Max
Rotary Hammers 8K 45MM 1500W

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. The efficient brushless motor offers higher drilling performance even with an extension cord used. Designed to be powered by engine generators as well, thanks to Our original compact and high efficiency inverter circuit. 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.
reduces the vibration from concrete drilling or chiseling by moving a weight and a leaf spring in the opposite direction to the movement of the hammer.provides high vibration-absorbing effect by employing both transatory and hinge units. makes the housing more rigid, significantly enhancing durability of the motor unit.

Hammer SDS-Max
Rotary Hammer 5K 40MM 1100W

Approx. 13% Faster Drilling Speed*1
Approx. 28% More Demolition Performance*2

A comparison between the DH40MC and previous model DH40MR. (When drilling ø16-40mm holes into concrete. Actual results vary depending on
conditions.)
A comparison between the DH40MC and previous model DH40MR. (Actual
results vary depending on conditions.) A larger damper and higher volume air cushion reduce the impact and piston reaction force generated during hammering. This results in
significant vibration reduction. It only takes one action instead of conventionally-required two to mount a drill bit. All that needs to be done is insert the drill bit into the tool holder while
turning it. Large change lever located on top of the tool for easy visibility allows smooth mode changing.
– Hammering (for demolition)
– Neutral (for bit angle adjustment)
– Rotation + Hammering (for drilling) The chisel can be rotated at 12 different angles with the change lever
positioned at ‘neutral’.

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