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Crown hole saws for concrete

SDS plus holder fits to all rotary hammer drills in this class available on the market.
A pilot drill bit with a diameter of 8 mm and a length of 100 mm enables precise drilling start in the selected location.
The lateral counter screw prevents the pilot drill bit from moving in the adapter.

High-temperature soldered carbide plates provide high resistance to chipping and increase service life.
The slanted arrangement of the carbide plates ensures higher drilling efficiency in hard concrete.
Cold forged, internal thread M16, provides to strong connection to the core of the adapter and protects against breaking.