Primena: beton, cigla, zidovi Precise, accurate drilled holes Very smooth running due to asymmetrical tooth arrangement Reduced friction and improved drilling dust removal Extremely sturdy design Interchangeable components The adapter and the drill bit are not included Drill bit head: Interchangeable and sturdy core bit body Replaceable centering drill bit with 2 cutting teeth Asymmetrical carbide tooth arrangement Sloping guide teeth and flat hammer teeth Shank: Core bit body with outer flute Insertion end: SDS-MAX