About This

1.Direko Carbide Tipped Rotary SDS-Plus Hammer Drill Bit Set includes Direko Masonry Concrete Drill Bit drill bits. Fit for masonry, concrete, marble, granite etc.
2.The unique vacuum brazing technology avoids cold soder joint and provides stable brazing strength.
3.Tungsten carbide tip provides high level wear resistance, ensuring longer drilling life.
4.Optimized U-flute provides less friction and better dust removal for fast drilling.
5.Surface treatment: shot-peening. Improves the strength, fatigue resistance and corrosion resistance of the drill body.