Rotary hammer drill bit hex. SW19 28x420 mm Zentro
The specific symmetrical 4-cutter head construction (one main cutting edge, two secondary cutting edges) ensures central guidance in the drill hole, thus guaranteeing round and straight holes
Minimized friction in the drill hole - maximized service life
Fastest drilling dust removal through the large dimensioned drilling dust grooves of the double spiral conveyor
Dynamic core reinforcement for maximum energy transfer
The hammer drill quickly penetrates the hardest concrete
Vibrations are considerably reduced by the new spiral construction (KVS), this enables a more pleasant work for man and machine
The two additional side cutting edges protect the drill bit when it hits iron reinforcement and help to avoid damage to the drill head