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Bur concrete S & R SDS-max Zentro used to drill a perfectly smooth holes in concrete, masonry and natural stone.
When drilling holes deeper than 450 mm is necessary to make preliminary . pilot drilling drill shorter length to a depth of at least 150 mm, then the drill 450 mm in length, then drills 600 or 900 mm
Bur SDS-max Zentro has:
- dynamically stable structure, ensuring vibration reduction during drilling, which greatly improves the efficiency of execution of holes;
- Whole tipped with four cutting edges and patented chamfers for perfectly smooth holes;
- patented multichannel KVS-helix greatly increases drilling efficiency due to rapid removal of the slag from the opening and reducing vibration;
- the heat treated surface with a special polishing to reduce wear and increase resistance STI drill to the internal voltage during operation.
Bur concrete S & R SDS-max Zentro for perforating from 5 kg to the type of cartridge SDS-max or dvuhpazovym.